WO2009133465A2 - Descaling agent composition for food industry and method for using same - Google Patents

Descaling agent composition for food industry and method for using same Download PDF

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Publication number
WO2009133465A2
WO2009133465A2 PCT/IB2009/005758 IB2009005758W WO2009133465A2 WO 2009133465 A2 WO2009133465 A2 WO 2009133465A2 IB 2009005758 W IB2009005758 W IB 2009005758W WO 2009133465 A2 WO2009133465 A2 WO 2009133465A2
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WO
WIPO (PCT)
Prior art keywords
acid
mass
scale
composition
food industry
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PCT/IB2009/005758
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French (fr)
Japanese (ja)
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WO2009133465A3 (en
Inventor
中川卓也
秋本竜二
薦田進
Original Assignee
ジョンソンディバーシー・インコーポレーテッド
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Publication of WO2009133465A2 publication Critical patent/WO2009133465A2/en
Publication of WO2009133465A3 publication Critical patent/WO2009133465A3/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22—Organic compounds
    • C11D7/26—Organic compounds containing oxygen
    • C11D7/265—Carboxylic acids or salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22—Organic compounds
    • C11D7/32—Organic compounds containing nitrogen
    • C11D7/3272—Urea, guanidine or derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F14/00—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes
    • C23F14/02—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes by chemical means
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
    • C11D2111/14—

Definitions

  • the present invention includes beer factories, brewery factories, beverage factories such as juices and soft drinks, milk factories, frozen foods ⁇ retort foods, seasonings, mayonnaise, etc. (hereinafter referred to as “food and beverage products”), etc. (The scale remover composition used for tanks, pipes, etc.
  • various equipment such as various equipment, filling machines, sterilizers, heat treatment machines, etc. and their E-tubes (hereinafter referred to as “manufacturing equipment”), containers, craters, barrels and other containers (hereinafter referred to as “containers”)
  • CIP cleaning methods used alkali cleaning agents, acidic cleaning agents, disinfectants, etc.
  • General CIP cleaning methods include 1) product discharge (water cleaning), 2) chemical cleaning (acid cleaning) Or alkali), 3) water wash (intermediate rinse), 4) chemical wash (alkali or acid), 5) water wash (intermediate rinse), 6) chemical wash (disinfectant: sodium hypochlorite, peracetic acid) , Iodine, surfactant, enzyme, etc.), 7) water washing (final rinse).
  • Each cleaning step is performed by circulating cleaning, immersion cleaning, spray cleaning, or a combination thereof. Depending on the type and condition of the dirt, some of these operations may be omitted or the same operation may be repeated.
  • steam cleaning (Sani tai gin gin p lac e: stationary sterilization) is performed for the purpose of sterilization, sterilization and sterilization of tanks and pipes.
  • the vapor contains a small amount of inorganic compound, and during the SIP cleaning, it gradually deposits and adheres to the tank or piping that is the surface to be cleaned, and may become a scale and stick.
  • scale removal is performed using an acidic cleaning agent mainly composed of nitric acid and Z or phosphoric acid.
  • an acidic cleaning agent mainly composed of nitric acid and Z or phosphoric acid.
  • iron oxide and iron hydroxide are used.
  • the scale mainly composed of is deposited on the inner wall of manufacturing equipment and piping although it is very small, and it is difficult to dissolve and remove with the above-mentioned acidic detergents mainly composed of nitric acid and / or phosphoric acid. It has become a thing.
  • Japanese Patent Application Laid-Open No. 2005-2393 uses a combination of an inorganic acid and an organic acid, has excellent scale removal properties, and has little corrosion and damage to stainless steel materials.
  • a remover composition is disclosed (see Patent Document 1).
  • JP-A-5-179472 and Japanese Patent No. 2533031 contain urea nitrate and a corrosion inhibitor, and do not affect the material of stainless steel, pig iron, copper or copper alloy. (See Patent Documents 2 and 3).
  • scales related to the food industry described in the above publications are generally calcium carbonate, magnesium carbonate, calcium silicate, magnesium silicate formed by the reaction of calcium or magnesium derived from water or food.
  • scales mainly composed of water-insoluble salts such as calcium phosphate and mainly composed of iron oxide or iron hydroxide.
  • the scale targeted by the present invention is a scale mainly composed of iron oxide or iron hydroxide.
  • the cause of this scale is often derived from steam used for SIP cleaning in food manufacturing plants.
  • Patent Document 1 Japanese Unexamined Patent Publication No. 2005-2393
  • Patent Document 3 Japanese Patent No. 2533031
  • the present invention has excellent scale removal properties against scales mainly composed of iron halides and iron hydroxides, and also has excellent PH, stainless steel material effect prevention, rubber material effect prevention properties and storage stability.
  • the purpose is to provide a scale remover for the food industry.
  • the present invention provides a method of using the scale remover composition for the food industry, and more specifically, provides a method for removing scales for the food and beverage factory manufacturing equipment. With the goal.
  • the present invention comprises the following components (a) to ( c ) as active ingredients in the following proportion with respect to the entire composition, and a 1% by weight diluted aqueous solution of the composition:
  • the first gist is a food industry scale remover composition having a pH (JISZ-8802: 1984 “ PH measurement method J”) of less than 3 at 25 ° C.
  • the above-mentioned scale remover composition for food industry wherein the organic acid as component (a) is at least one selected from malic acid, fumaric acid, maleic acid, adipic acid, and glycolic acid, is the second gist. .
  • a third gist of the scale remover composition for food industry wherein the urea compound as the component (c) is urea and / or dimethylurea.
  • the fourth gist is the scale removal method that removes the scale by immersing the equipment and its parts.
  • the equivalent amount of 1 to 20% by mass of the diluted solution is used.
  • the scale removal and washing can be performed simultaneously by immersing the manufacturing equipment and its parts in the mixed dilution obtained by adding the descaling composition for food industry according to any one of the above summary 1 to 3.
  • the cleaning method is the fifth gist.
  • r scale remover composition J In the food industry scale remover composition (hereinafter also referred to as r scale remover composition J) of the present invention, it has excellent scale removal properties against scales mainly composed of iron oxide or iron hydroxide. It is possible to provide a scale remover composition for the food industry that has excellent properties of preventing the influence of stainless steel material, preventing the influence of rubber material, and having excellent storage stability.
  • the present invention can provide a method of using the above-mentioned scale remover composition for the food industry, and more specifically, an excellent scale removal method for a manufacturing facility of food and beverage factories and parts thereof.
  • the cleaning method can effectively remove the scale of the manufacturing facility of the food and beverage factory and CI soot cleaning.
  • the food industry scale remover composition of the present invention comprises the following components (a) to (c) as active ingredients in the following proportions relative to the whole composition, and PH (1% diluted aqueous solution of the composition: JISZ — 8802: 1984 ⁇ measuring method ”) is set to a range of less than 3 at 25 ° C
  • the organic acid (a) component used in the scale remover composition of the present invention malic acid, fumaric acid, maleic acid, adipic acid, glycolic acid, formic acid, acetic acid, hydroxysuccinic acid, Examples include oxalic acid, lactic acid, tartaric acid, gluconic acid and heptonic acid.
  • malic acid, fumaric acid, maleic acid, adipic acid, and glycolic acid are preferably used from the viewpoints of scale-removability, storage stability, safety, and availability. These may be used alone or in combination of two or more.
  • the blending ratio of the component (a) is set in the range of & ⁇ 60% by mass as the amount of the active ingredient in the scale remover composition. In other words, when the amount is less than 5% by mass, the desired effect cannot be obtained in the scale removability obtained by the synergistic effect with the component (b).
  • the decomposition of the component (b) of the scale remover composition is promoted, resulting in 3-deox yLp ⁇ ntosone.
  • oxides such as xy Iosone, reducton, L-threonic acid, etc. and their polymers are generated and adhere to the object to be cleaned, causing problems such as discoloration or corrosion.
  • L-ascorbic acid and Z or erythorbic acid are used as the component (b) used in the scale remover composition of the present invention. These may be used alone or in combination.
  • the blending ratio of the component (b) is set in the range of 15 to 80% by mass as the amount of the active ingredient in the scale remover composition. That is, if it is less than 15% by mass, the desired scale removal property cannot be obtained, and if it exceeds 80% by mass, no further significant scale removal property can be obtained.
  • the decomposition of the component (b) of the scale remover composition is promoted, and v5—de ox y—shiichi pentos on e.
  • Various oxides such as L-thr ⁇ onicacid and their polymers are generated and adhere to the object to be cleaned, causing problems such as discoloration or corrosion.
  • urea compound (c) used in the scale remover composition of the present invention examples include urea, dimethylurea, and jetylurea. From this point, urea and dimethylurea are preferably used. These may be used alone or in combination of two.
  • the blending ratio of the component (c) is set in the range of 0.01 to 6% by mass as the effective component amount in the scale remover composition. That is, when the amount is less than 0.01% by mass, a remarkable effect of preventing the influence of the rubber material cannot be obtained, and when it exceeds 6% by mass, the effect of preventing the influence of the rubber material is remarkably improved. Is not obtained, and it is not preferable economically.
  • chelating agents such as ethylenediamine tetraacetic acid, nitrilotrisuccinic acid and salts thereof Phosphate, silicate, carbonate, sulfate and other inorganic builders, dispersants, pH buffering agents, cleaning aids, surfactants, antifoaming agents, solvents, polymer dispersants, dyes, perfumes Etc. can be appropriately blended.
  • the scale removal method using the scale remover composition of the present invention is usually classified into water or water depending on the type and scale of various production facilities and the degree of contamination of various production facilities. This is a method of removing the scale by immersing the manufacturing equipment and its parts in the diluted scale remover diluted with hot water.
  • the scale remover composition is 1 to 20% by mass, preferably 5 to 10% in water or hot water. 5% to 48 hours, preferably 1 to 12 hours, using a scale remover dilution diluted to a concentration range of 10% to 100 ° C, preferably 50 to 80 ° C. Descale to remove the scale.
  • “Immerse the manufacturing equipment and its parts in the ⁇ scale remover dilution liquid” means that the parts of the manufacturing equipment are immersed in the scale remover dilute liquid, as well as tanks and piping such as production tanks and filling tanks. It means that the descaling agent diluent is filled inside and left to stand.
  • the amount of the diluted solution for the CIP acidic cleaning solution diluted to 1 to 10% by mass with water or hot water is a cleaning method.
  • the above-mentioned “circulation cleaning j” means that the mixed diluted solution is circulated (flowed) in the tanks and pipes such as the production tank and the filling tank of the food and beverage production facility.
  • the whole process of the C 1 P cleaning method of (3) above is composed of the following sequence of steps A 1 to A7 or B 1 to B7.
  • the temperature of the mixed diluent is in the temperature range of 10 to 120 ° C., and the circulation time of the mixed diluent is 10 to 60 minutes, preferably 20 to 40 minutes.
  • the acidic cleaner for CIP used in the CIP cleaning method of (2) and (3) above a commercially available one can be used, for example, trade name: Pangerate V40 (manufactured by Daisan Industrial Co., Ltd.), Product name: Pangerate VC (manufactured by Daisan Industrial Co., Ltd.), Product name: Pankerate VC 45 (manufactured by Daisan Kogyo Co., Ltd.), Product name: Pankerate VP (manufactured by Daisan Kogyo Co., Ltd.) Product name: Pangerate MS 1 (manufactured by Daisan Industrial Co., Ltd.), Product name: Pangerate MS2 (manufactured by Daisan Kogyo Co., Ltd.), Product name: Pangerate MS3 (manufactured by Daisan Industrial Co., Ltd.), Product name: Pankerate MS4 (Daisan Industry Co., Ltd.)
  • the scale remover composition of the present invention can be widely used not only for CIP cleaning, but also for various types of cleaning of food and beverage product manufacturing equipment.
  • scale removal can also be performed by spraying a scale remover diluted solution diluted with water or hot water on various manufacturing equipment using a high-pressure washing machine.
  • concentration of the scale remover diluent at this time is preferably 2 to 10 times the concentration in the case of scale removal by the above immersion in order to enhance contact with the inner wall of the production equipment or piping.
  • test compositions of Examples 1 to 16 and Comparative Examples 1 to 12 shown in Tables 1 to 7 below (units of numerical values in each table are% by mass, and hereinafter may be abbreviated as “% j”).
  • the test scale remover composition (hereinafter referred to as the test composition) was adjusted and evaluated for five test items: pH, scale removal, stainless steel material effect prevention, rubber material effect prevention property, and storage stability. The results are also shown in Tables 1 to 7. The test methods and evaluation methods for each test item are as shown below.
  • the pH of the 1% by weight diluted aqueous solution of the test composition was measured at 25 ° C. (JISZ-8802: 1984- ⁇ measurement method J) and judged according to the following evaluation criteria.
  • Iron ion dissolution amount is 15 Omg / L or more
  • Dissolution amount of iron ion is 10 OmgZL or more and less than 15 OmgZL
  • Dissolution amount of iron ion is 5 OmgZL or more and less than 1 OOmg / L
  • Dissolution amount of iron ions is less than 50mgZLm
  • test composition 2-1 Dilute the test composition with water and prepare a 5% by weight test composition dilution. In an incubator, immerse the following specimens 1 and 2 for 24 hours in the test composition dilution kept at 80 ° C. After 24 hours, remove each specimen 1 and 2 and rinse with tap water. The above operation was repeated, soaking was carried out for a total of 100 hours. After 100 hours, each test piece was taken out, rinsed with tap water, dried at room temperature, visually observed, and judged according to the following evaluation criteria.
  • Stainless Steel Specimen 1 Material: SUS304 (Vertical 8 Ommx Width 5 Ommx Thickness 1 Omm)
  • Stainless Steel Specimen 2 Material: SUS316 (Vertical 80 mm X Width 5 Omm X Thickness 1 Omm) [Evaluation Criteria]
  • test composition 3-1 Dilute the test composition with water to prepare a 5% by weight test composition dilution. In an incubator, immerse the following specimens 3 and 4 for 24 hours in the test composition dilution kept at 80 ° C. After 24 hours, remove each specimen 3 and 4 and rinse with tap water. The above operation was repeated, soaking was carried out for a total of 100 hours. After 100 hours, each test piece was taken out, rinsed with tap water, dried at room temperature, visually observed, and judged according to the following evaluation criteria.
  • Rubber test piece 3 Material: Nitrile butadiene rubber (NB) (length 50mmx width 2 OmmX
  • Rubber specimen 4 Material: Ethylene propylene rubber (EPDM) (length 5 Omm x width 2 Omm x thickness 5mm)
  • the storage stability test was conducted as follows.
  • test composition Place the test composition in a 25 Om, polyethylene container in a volume of 200 mI and place it in each incubator set at 15 ° C, 25 ° C and 40 ° C for 2 weeks, then The appearance of the composition was visually observed and judged according to the following evaluation criteria.
  • the examples of the descaling composition of the present invention are as follows: pH, scale removability, stainless steel material effect prevention property, rubber material effect prevention property and storage stability. It can be seen that it has excellent performance.

Abstract

[Problem] To provide a descaling agent composition for food industry that has excellent ability to dissolve scale mainly composed of iron oxide or iron hydroxide, that produces no effect on stainless steel quality or rubber quality and that excels in stability in storage. [Means of Solution] A descaling agent composition for food industry, comprising the following (a) to (c) components as active ingredients at the following ratios based on the entire composition, wherein pH (JIS Z-8802:1984 "pH Measurement Methods") of 1 wt. % dilute aqueous solution of the composition is within a range less than 3 at 25°C: (a) an organic acid 5 to 60 wt.%; (b) L-ascorbic acid and/or erythorbic acid 15 to 80 wt.%; (c) an urea compound 0.01 to 6 wt.%, and a method for using the descaling agent composition.

Description

【書類名】 特許願  [Document name] Patent application
【整理番号】 J-576  [Reference number] J-576
【提出曰】 平成 20年 4月 18曰  [Submission 曰] April 18, 2008
【あて先】 特許庁長官殿  [Address] Director General of the Patent Office
【国際特許分類】 C23G 5/036  [International Patent Classification] C23G 5/036
【発明者】  Inventor
【住所又は居所】 神奈川県横浜市中区山下町 22番地 大三工業株式会社内 [Address or residence] Daisan Industry Co., Ltd. 22 Yamashita-cho, Naka-ku, Yokohama, Kanagawa
【氏名】 中川 卓也 [Name] Takuya Nakagawa
【発明者】  Inventor
【住所又は居所】 神奈川県横浜市中区山下町 22番地 大三工業株式会社内 [Address or residence] Daisan Industry Co., Ltd. 22 Yamashita-cho, Naka-ku, Yokohama, Kanagawa
【氏名】 秋本 竜二 [Name] Ryuji Akimoto
【特許出願人】 一  [Patent applicant]
【識別番号】 000205683  [Identification number] 000205683
【氏名又は名称】 大三工業株式  [Name or name] Daisan Industrial Co., Ltd.
【代表者】 薦田 進  [Representative] Susumu Kuroda
【手数料の表示】  [Indication of fees]
【予納台帳番号】 275446  [Prepayment ledger number] 275446
【納付金額】 16.000円  [Payment amount] 16.000 yen
【提出物件の目録】  [List of submitted properties]
【物件名】 特許請求の範囲 1  [Property name] Claims 1
【物件名】 明細書 1  [Property name] Statement 1
【物件名】 要約書 1  [Property Name] Summary 1
【蚩 夂】 明細輋  [蚩 夂] Item 輋
【発明の名称】 食品工業用スケール除去剤組成物およびその使用方法  Patent application title: Scale remover composition for food industry and method of use thereof
【技術分野】  【Technical field】
【0001】  [0001]
本発明は、 ビール工場、 隨造工場、 ジュースや清涼飲料等の飲料工場、 牛乳工場、 冷凍食 品■ レトルト食品、 調味料やマヨネーズ等 （以下、 「飲食料品」 という） の製造工場等 （ 以下、 r飲食料品工場 jという） における、 タンク、 配管等に用いられるスケール除去剤 組成物である。 The present invention includes beer factories, brewery factories, beverage factories such as juices and soft drinks, milk factories, frozen foods ■ retort foods, seasonings, mayonnaise, etc. (hereinafter referred to as “food and beverage products”), etc. ( The scale remover composition used for tanks, pipes, etc.
【0002】  [0002]
さらに詳しくは各種設備、 充填機、 殺菌機、 熱処理機等の各種設備機器およびこれらの E 管 （以下、 「製造設備」 という:） 、 コンテナ、 クレイト、 樽等の各種容器 （以下、 「容器 等」 という） の機械式自動洗浄、 C I P洗浄 （C l e a n i n g i n p l a c e :定 置洗浄） に用いるスケール除去剤組成物に関する。 In more detail, various equipment such as various equipment, filling machines, sterilizers, heat treatment machines, etc. and their E-tubes (hereinafter referred to as “manufacturing equipment”), containers, craters, barrels and other containers (hereinafter referred to as “containers”) The scale remover composition used for automatic mechanical cleaning and CIP cleaning (C leaninginplace).
【背景技術】  [Background]
【0003】  [0003]
従来、 C I Pの洗浄方法においては、 アルカリ洗浄剤、 酸性洗浄剤、 殺菌剤等が用いられ 、 一般的な C I Pの洗浄方法としては、 1) 製品の排出 （水洗浄） 、 2) 薬剤洗浄 （酸ま たはアルカリ） 、 3) 水洗浄 （中間すすぎ） 、 4) 薬剤洗浄 （アルカリまたは酸） 、 5) 水洗浄 （中間すすぎ） 、 6) 薬剤洗浄 （殺菌剤：次亜塩素酸ナトリウム、 過酢酸、 ヨウ素 、 界面活性剤、 酵素等） 、 7) 水洗浄 （最終すすぎ） の工程順に行なわれる。 各洗浄工程 は循環洗浄、 浸漬洗浄、 スプレー洗浄のいずれか、 もしくはそれらを組み合わせて行われ る。 なお、 汚れの種類や状態によってはこれらの操作の一部が省略される場合もあるし、 また同じ操作が繰り返される場合もある。 Conventionally, CIP cleaning methods used alkali cleaning agents, acidic cleaning agents, disinfectants, etc. General CIP cleaning methods include 1) product discharge (water cleaning), 2) chemical cleaning (acid cleaning) Or alkali), 3) water wash (intermediate rinse), 4) chemical wash (alkali or acid), 5) water wash (intermediate rinse), 6) chemical wash (disinfectant: sodium hypochlorite, peracetic acid) , Iodine, surfactant, enzyme, etc.), 7) water washing (final rinse). Each cleaning step is performed by circulating cleaning, immersion cleaning, spray cleaning, or a combination thereof. Depending on the type and condition of the dirt, some of these operations may be omitted or the same operation may be repeated.
【0004】  0004
さらに、 上記の C〖 P洗浄に加えて、 タンク、 配管等の殺菌、 除菌、 滅菌を目的に蒸気に よる S I P洗浄 （Sa n i t a i z i n g i n p l a c e :定置殺菌） が行われてい る。 このとき、 蒸気中には微量の無機化合物が含まれており、 S I P洗浄時において被洗 浄面であるタンクや配管等に徐々に堆積付着し、 スケールとなって固着することがある。 Furthermore, in addition to the above-mentioned C 洗浄 P cleaning, steam cleaning (Sani tai gin gin p lac e: stationary sterilization) is performed for the purpose of sterilization, sterilization and sterilization of tanks and pipes. At this time, the vapor contains a small amount of inorganic compound, and during the SIP cleaning, it gradually deposits and adheres to the tank or piping that is the surface to be cleaned, and may become a scale and stick.
【0005】  [0005]
また、 C I P洗浄においては無機化合物の除去を目的として、 硝酸および Zまたはリン酸 を主成分とした酸性洗浄剤を用いたスケール除去が行われるが、 上記スケールのうち、 酸 化鉄や水酸化鉄を主体としたスケールは、 微量ながらも製造設備および配管の内壁に堆積 し強固に固着しており、 上記の硝酸および/またはリン酸を主成分とした酸性洗浄剤では 、 溶解、 除去が困難なものとなっている。 In CIP cleaning, for the purpose of removing inorganic compounds, scale removal is performed using an acidic cleaning agent mainly composed of nitric acid and Z or phosphoric acid. Among the above scales, iron oxide and iron hydroxide are used. The scale mainly composed of is deposited on the inner wall of manufacturing equipment and piping although it is very small, and it is difficult to dissolve and remove with the above-mentioned acidic detergents mainly composed of nitric acid and / or phosphoric acid. It has become a thing.
【0006】  [0006]
従来、 食品工業関連のスケールを除去する方法としては、 例えば特開 2005-2393 号公報には、 無機酸および有機酸を併用し、 スケール除去性に優れ、 ステンレス材質への 腐食や損傷が少ないスケール除去剤組成物が開示されている （特許文献 1を参照） 。 Conventionally, as a method for removing scales related to the food industry, for example, Japanese Patent Application Laid-Open No. 2005-2393 uses a combination of an inorganic acid and an organic acid, has excellent scale removal properties, and has little corrosion and damage to stainless steel materials. A remover composition is disclosed (see Patent Document 1).
【0007】  [0007]
また特開平 5— 179472号公報及び特許第 2533031号公報には硝酸尿素および 腐食抑制剤を配合し、 ステンレス、 錶鉄、 銅或いは銅合金の材質に対して影響を及ぼさな いスケール除去剤組成物が開示されている （特許文献 2及び 3を参照） 。 JP-A-5-179472 and Japanese Patent No. 2533031 contain urea nitrate and a corrosion inhibitor, and do not affect the material of stainless steel, pig iron, copper or copper alloy. (See Patent Documents 2 and 3).
差替え用紙 （規則 26) 【0008】 Replacement paper (Rule 26) [0008]
しかしながら、 上記の公報等で述べられている食品工業関連のスケールとは、 一般に水や 食品等に由来するカルシウムやマグネシウムが反応して形成された炭酸カルシウム、 炭酸 マグネシウム、 ゲイ酸カルシウム、 ケィ酸マグネシウム、 リン酸カルシウム等の水不溶性 塩が主体であって、 酸化鉄や水酸化鉄が主体のスケールに対する除去性能についての記載 も示唆もない。  However, the scales related to the food industry described in the above publications are generally calcium carbonate, magnesium carbonate, calcium silicate, magnesium silicate formed by the reaction of calcium or magnesium derived from water or food. There is no description or suggestion of removal performance for scales mainly composed of water-insoluble salts such as calcium phosphate and mainly composed of iron oxide or iron hydroxide.
【0009】  [0009]
本発明が対象とするスケールは、 酸化鉄や水酸化鉄が主体のスケールである。 このスケー ルの発生原因は、 食品製造工場における S I P洗浄で使用する蒸気に由来することが多くThe scale targeted by the present invention is a scale mainly composed of iron oxide or iron hydroxide. The cause of this scale is often derived from steam used for SIP cleaning in food manufacturing plants.
、 鉄と食品由来の微量の有機および無機成分とが高温下で反応して、 徐々に製造設備およ び配管の内壁に付着堆積し、 強固なスケールを形成したものと推定される。 It is presumed that iron and trace amounts of organic and inorganic components derived from foods react at high temperatures and gradually adhere to and accumulate on the inner walls of production equipment and piping to form a strong scale.
【0010】  [0010]
つまり、 本発明が対象とするスケールと従来の水や食品等に由来する水不溶性塩とでは、 それらの形成の過程や構成元素、 結晶構造等が異なるために、 従来のスケール除去剤では 所望のスケール除去効果を得ることができない。  In other words, since the scale targeted by the present invention and conventional water-insoluble salts derived from water, foods, etc. differ in their formation process, constituent elements, crystal structure, etc. The scale removal effect cannot be obtained.
【001 1】  [001 1]
また、 飲食料品工場の製造設備においては、 被洗浄面であるステンレスへの材質影響防止 性、 配管等の接合部のゴムパッキンに対する材質影響防止性等の性能を兼ね備えているこ とが要求されものであるが、 上記公報においては、 これらの諸性能に対する検討はなされ ていない。  In addition, the manufacturing facilities of food and beverage factories are required to have the performance of preventing the influence of material on the stainless steel to be cleaned and preventing the influence of material on the rubber packing of joints such as piping. However, these publications do not discuss these various performances.
【001 2】  [001 2]
【特許文献 1】 特開 2005— 2393号公報  [Patent Document 1] Japanese Unexamined Patent Publication No. 2005-2393
【特許文献 2】 特開平 5— 179472号公報  [Patent Document 2] JP-A-5-179472
【特許文献 3】 特許第 2533031号公報  [Patent Document 3] Japanese Patent No. 2533031
【発明の開示】  DISCLOSURE OF THE INVENTION
【発明が解決しょうとする課題】  [Problems to be solved by the invention]
【001 3】  [001 3]
この め、 本発明は、 鹼化鉄や水酸化鉄 主体としたスケー に対して優れたスケール除 去性を有するとともに、 PH、 ステンレス材質影響防止性、 ゴム材質影響防止性及び貯蔵 安定性に優れた食品工業用スケール除去剤の提供を目的とする。  For this reason, the present invention has excellent scale removal properties against scales mainly composed of iron halides and iron hydroxides, and also has excellent PH, stainless steel material effect prevention, rubber material effect prevention properties and storage stability. The purpose is to provide a scale remover for the food industry.
【0.014】 .  [0.014].
また、 本発明は上記食品工業用スケール除去剤組成物を用いた使用方法を提供するもので ぁリ、 詳しくは、 上記飲食料品工場め製造設備のためめスケ」ル除去方法を提供すること を目的とする。  In addition, the present invention provides a method of using the scale remover composition for the food industry, and more specifically, provides a method for removing scales for the food and beverage factory manufacturing equipment. With the goal.
【課題を解決するための手段】  [Means for Solving the Problems]
【001 5】  [001 5]
上記の目的を達成するため、 本発明は、 有効成分として下記の （a) 〜 （c) 成分を、 組 成物全体に対し下記の割合で含有し、 且つ組成物の 1質量％希釈水溶液の p H (J I S Z— 8802 : 1984 「PH測定方法 J ) が、 25 °Cにおいて 3未満の範囲である食品 工業用スケール除去剤組成物を第 1の要旨とする。 In order to achieve the above object, the present invention comprises the following components (a) to ( c ) as active ingredients in the following proportion with respect to the entire composition, and a 1% by weight diluted aqueous solution of the composition: The first gist is a food industry scale remover composition having a pH (JISZ-8802: 1984 “ PH measurement method J”) of less than 3 at 25 ° C.
(a) 有機酸 5~60質量％、  (a) 5-60 mass% organic acid,
(b) L—ァスコルビン酸及び 又はエリソルビン酸 15~80質量％、  (b) L-ascorbic acid and / or erythorbic acid 15-80% by mass,
(c) 尿素化合物 0. 01 ~6質量％。  (c) Urea compound 0.01 to 6% by mass.
【0016】  0016
なかでも、 上記 （a) 成分の有機酸が、 リンゴ酸、 フマル酸、 マレイン酸、 アジピン酸、 グリコール酸から選ばれる少なくとも一種である上記食品工業用スケール除去剤組成物を 第 2の要旨とする。 Among them, the above-mentioned scale remover composition for food industry, wherein the organic acid as component (a) is at least one selected from malic acid, fumaric acid, maleic acid, adipic acid, and glycolic acid, is the second gist. .
【0017】  [0017]
また、 上記 （c) 成分の尿素化合物が、 尿素及び 又はジメチル尿素である上記食品工業 用スケール除去剤組成物を第 3の要旨とする。 Further, a third gist of the scale remover composition for food industry, wherein the urea compound as the component (c) is urea and / or dimethylurea.
【001 8】  [001 8]
また、 上記要旨 1 ~ 3のいずれかの食品工業用スケール除去剤組成物を、 水または湯にて 、 1 ~20質量％に希釈したスケール除去剤希釈液を用いて、 飲食料品工場の製造設備お よびその部品を浸漬することによりスケール除去するスケール除去方法を第 4の要旨とす る In addition, using the scale remover diluted solution obtained by diluting the scale remover composition for food industry according to any one of the above-mentioned points 1 to 3 with water or hot water to 1 to 20 mass%, The fourth gist is the scale removal method that removes the scale by immersing the equipment and its parts.
【001 9】  [001 9]
さらに、 C〖 P用酸性洗浄剤を水または湯にて 1 ~ 10質量％濃度に希釈した C I P用酸 性洗浄剤希釈液に対して、 当該希釈液量の 1 ~ 20質量％濃度相当量の上記要旨 1 ~ 3の いずれかの食品工業用スケール除去剤組成物を添加することによリ得られた混合希釈液に 、 製造設備およびその部品を浸漬することにより、 スケール除去と洗浄とを同時におこな う洗浄方法を第 5の要旨とする。 Furthermore, with respect to the CIP acidic detergent diluted with water or hot water diluted to 1 to 10% by mass, the equivalent amount of 1 to 20% by mass of the diluted solution is used. The scale removal and washing can be performed simultaneously by immersing the manufacturing equipment and its parts in the mixed dilution obtained by adding the descaling composition for food industry according to any one of the above summary 1 to 3. The cleaning method is the fifth gist.
差替え用紙 （規則 26) 【0020】 Replacement paper (Rule 26) [0020]
そして、 C I Pの酸性洗浄工程において、 C I P用酸性洗浄剤を水または湯にて 1 ~ 10 質量％濃度に希釈した C I P用酸性洗浄剤希釈液に対して、 当該希新液量の 1 ~20質量 %濃度相当量の上記要旨 1 ~ 3のいずれかの食品工業用スケール除去剤組成物を添加する ことにより得られた混合希釈液を用いて、 循環洗浄することにより、 スケール除去と洗浄 を同時におこなう C I Pの洗浄方法を第 6の要旨とする。 Then, in the CIP acidic cleaning process, 1 to 20 mass of the diluted solution is used for the diluted CIP acidic detergent diluted with water or hot water to a concentration of 1 to 10 mass%. Scale removal and washing at the same time by circulating washing using the mixed diluent obtained by adding the food industry scale remover composition of any one of the above-mentioned points 1 to 3 corresponding to% concentration The sixth summary is the CIP cleaning method.
【発明の効果】  【The invention's effect】
【0021】  [0021]
本発明の食品工業用スケール除去剤組成物 （以下、 rスケール除去剤組成物 J ということ もある。 ） において、 酸化鉄や水酸化鉄を主体としたスケールに対して優れたスケール除 去性を有するとともに Η、 ステンレス材質影響防止性、 ゴム材質影響防止性及び貯蔵 安定性に優れた食品工業用スケール除去剤組成物の提供ができる。 In the food industry scale remover composition (hereinafter also referred to as r scale remover composition J) of the present invention, it has excellent scale removal properties against scales mainly composed of iron oxide or iron hydroxide. It is possible to provide a scale remover composition for the food industry that has excellent properties of preventing the influence of stainless steel material, preventing the influence of rubber material, and having excellent storage stability.
【0022】  [0022]
また、 本発明は上記食品工業用スケール除去剤組成物を用いた使用方法を提供できるもの であリ、 詳しくは、 飲食料品工場の製造設備およびその部品等のための優れたスケール除 去方法、 洗浄方法によって飲食料品工場の製造設備のスケール除去と C I Ρ洗浄とを効果 的に行うことができる。 In addition, the present invention can provide a method of using the above-mentioned scale remover composition for the food industry, and more specifically, an excellent scale removal method for a manufacturing facility of food and beverage factories and parts thereof. The cleaning method can effectively remove the scale of the manufacturing facility of the food and beverage factory and CI soot cleaning.
【発明を実施するための最良の形態】  BEST MODE FOR CARRYING OUT THE INVENTION
【0023】  [0023]
つぎに、 本発明を実施するための最良の形態を詳細に説明する。 Next, the best mode for carrying out the present invention will be described in detail.
【0024】  [0024]
本発明の食品工業用スケール除去剤組成物は、 有効成分として下記の （a) ~ (c) 成分 を、 組成物全体に対し下記の割合で含有し、 組成物の 1 %希釈水溶液の P H (J I S Z — 8802 : 1984 ΓρΗ測定方法」 ） が、 25 °Cにおいて 3未満の範囲に設定されるThe food industry scale remover composition of the present invention comprises the following components (a) to (c) as active ingredients in the following proportions relative to the whole composition, and PH (1% diluted aqueous solution of the composition: JISZ — 8802: 1984 ΓρΗ measuring method ”) is set to a range of less than 3 at 25 ° C
(a) 有機酸 5~60質量％、 (a) 5-60 mass% organic acid,
(b) Lーァスコルビン酸及び/又はエリソルビン酸 15~80質量％、  (b) L-ascorbic acid and / or erythorbic acid 15-80% by mass,
(c) 尿素化合物 0· 01 ~6質量％。一 ―  (c) Urea compound 0 · 01 to 6% by mass. One
まナこ、 これ^用 Ι たスケール除去方ま及び洗浄方法が提供される。 Manako, this ス ケ ー ル scale removal method and cleaning method are provided.
【0025】- まず、 本発明のスケール除去剤組成物に用いられる （a) 成分の有機酸としては、 リンゴ 酸、 フマル酸、 マレイン酸、 アジピン酸、 グリコール酸、 ギ酸、 酢酸、 ヒドロキシ醉酸、 琥珀酸、 乳酸、 酒石酸、 グルコン酸 へブトン酸等が挙げられる。 なかでも、スケ^-ル除 去性、 貯蔵安定性、 安全性、 入手のしゃすさ等の点から、 リンゴ酸、 フマル酸、 マレイン 酸、 アジピン酸、 グリコール酸が好ましく用いられる。 これらは、 単独で用いても 2種以 上を組み合わせて用いてもよい。  -First, as the organic acid (a) component used in the scale remover composition of the present invention, malic acid, fumaric acid, maleic acid, adipic acid, glycolic acid, formic acid, acetic acid, hydroxysuccinic acid, Examples include oxalic acid, lactic acid, tartaric acid, gluconic acid and heptonic acid. Of these, malic acid, fumaric acid, maleic acid, adipic acid, and glycolic acid are preferably used from the viewpoints of scale-removability, storage stability, safety, and availability. These may be used alone or in combination of two or more.
【0026】  [0026]
上記 （a) 成分の配合割合は、 スケール除去剤組成物中における有効成分量として、 &〜 60質量％の範囲に設定される。 すなわち、 5質量％未満の場合には、 （b) 成分との相 乗効果によって得られるスケール除去性において、 所望する効果が得られず、 60質量％ を超えて配合した場合には、 更なるスケール除去性の向上が得られないほか、 スケール除 去剤組成物の （b) 成分の分解が促進され、 3— d e o x y-L-p β n t o s o n e . f u r f u r a l , 2 , 3— d i ke t o g u I c on i c a c i d, L— x y I o s o n e, r e d u c t o n類、 L一 t h r e o n i c a c i d等の各重酸化物及びこれ らの重合物が発生し被洗浄物へ付着して、 変色あるいは腐食の原因になる等の問題が発生 する。 The blending ratio of the component (a) is set in the range of & ˜60% by mass as the amount of the active ingredient in the scale remover composition. In other words, when the amount is less than 5% by mass, the desired effect cannot be obtained in the scale removability obtained by the synergistic effect with the component (b). In addition to the improvement in descaling properties, the decomposition of the component (b) of the scale remover composition is promoted, resulting in 3-deox yLp β ntosone. Furfural, 2, 3- dike togu I c on icacid, L — Various oxides such as xy Iosone, reducton, L-threonic acid, etc. and their polymers are generated and adhere to the object to be cleaned, causing problems such as discoloration or corrosion.
【0027】  [0027]
本発明のスケール除去剤組成物に用いられる （b) 成分としては、 L—ァスコルビン酸及 び Z又はエリソルビン酸が用いられる。 これらは、 単独で用いても双方を組み合わせて用 いてもよい。 As the component (b) used in the scale remover composition of the present invention, L-ascorbic acid and Z or erythorbic acid are used. These may be used alone or in combination.
【0028】  [0028]
上記 （b) 成分の配合割合は、 スケール除去剤組成物中における有効成分量として、 15 ~80質量％の範囲に設定される。 すなわち、 1 5質量％未満の場合には、 所望とするス ケール除去性が得られず、 80質量％を超えて配合した場合には、 更なる顕著なスケール 除去性の向上が得られないほか、 スケール除去剤組成物の （b) 成分の分解が促進され、 v5— d e ox y—し一 p e n t o s on e. f u r f u r a l , 2, 3— d i k e t o g u I c o n I c a c i d, L— x y I o s o n e, r e d u c t o n類、 L— t h r Θ o n i c a c i d等の各種酸化物及びこれらの重合物が発生し、 被洗浄物へ付着して、 変色あるいは腐食の原因になる等の問題が発生する。 The blending ratio of the component (b) is set in the range of 15 to 80% by mass as the amount of the active ingredient in the scale remover composition. That is, if it is less than 15% by mass, the desired scale removal property cannot be obtained, and if it exceeds 80% by mass, no further significant scale removal property can be obtained. The decomposition of the component (b) of the scale remover composition is promoted, and v5—de ox y—shiichi pentos on e. Various oxides such as L-thr Θ onicacid and their polymers are generated and adhere to the object to be cleaned, causing problems such as discoloration or corrosion.
【0029】  [0029]
また、 本発明のスケール除去剤組成物に用いられる （c) 成分の尿素化合物としては、 尿 素、 ジメチル尿素、 ジェチル尿素等が挙げられるが、 スケール除去性、 轻済的入手のし易 さ等の点から、 尿素、 ジメチル尿素が好ましく用いられる。 これらは単独で用いても 2種 を組み合わせて用いてもよい。 差替え用紙 （規則 26) 【0030】 Examples of the urea compound (c) used in the scale remover composition of the present invention include urea, dimethylurea, and jetylurea. From this point, urea and dimethylurea are preferably used. These may be used alone or in combination of two. Replacement paper (Rule 26) [0030]
上記 （c) 成分の配合割合は、 スケール除去剤組成物中における有効成分量として、 0. 01 ~6質量％の範囲に設定される。 すなわち、 0. 01質量％未満の場合には、 ゴム材 質影響防止性の顕著な効果が得られず、 6質量％を超えて配合した場合には、 ゴム材質影 響防止性の顕著な向上が得られず、 また経済的にも好ましくない。  The blending ratio of the component (c) is set in the range of 0.01 to 6% by mass as the effective component amount in the scale remover composition. That is, when the amount is less than 0.01% by mass, a remarkable effect of preventing the influence of the rubber material cannot be obtained, and when it exceeds 6% by mass, the effect of preventing the influence of the rubber material is remarkably improved. Is not obtained, and it is not preferable economically.
【0031】  [0031]
また、 本発明のスケール除去剤組成物においては、 上記 （a) ~ (c) 成分以外の任意成 分として、 例えば、 エチレンジァミン四酢酸、 二トリロ三齚酸およびそれらの塩をはじめ とするキレート剤、 リン酸塩、 ケィ酸塩、 炭酸塩、 硫酸塩等の無機系ビルダー、 分散剤、 . pH緩衝剤、 洗浄助剤、 界面活性剤、 消泡剤、 溶剤、 高分子分散剤、 色素、 香料等を適宜 配合することができる。  In the scale remover composition of the present invention, as an optional component other than the above components (a) to (c), for example, chelating agents such as ethylenediamine tetraacetic acid, nitrilotrisuccinic acid and salts thereof Phosphate, silicate, carbonate, sulfate and other inorganic builders, dispersants, pH buffering agents, cleaning aids, surfactants, antifoaming agents, solvents, polymer dispersants, dyes, perfumes Etc. can be appropriately blended.
【0032】  [0032]
つぎに、 本発明のスケール除去剤の使用方法 （1) ~ (3) について説明する。  Next, methods (1) to (3) for using the scale remover of the present invention will be described.
【0033】  0033
はじめに、 （ 1 ) 本発明のスケール除去剤組成物によるスケール除去方法としては、 各種 製造設備の種類や規模、 各種製造設備の汚れの度合いに応じて、 通常、 当該スケール除去 剤組成物を水または湯で希釈したスケール除去剤希釈液に、 製造設備およびその部品を浸 漬することにより、 スケール除去をおこなう方法である。例えば、 ビール工場、 醸造工場 、 ジュースや清涼飲料等の飲料工場及び牛乳工場等の工場設備においては、 スケール除去 剤組成物を、 水または湯で、 1~20質量％、 好ましくは 5~10質量％の濃度範囲に希 釈し、 10~100°C、 好ましくは 50~ 80°Cの温度範囲に設定したスケール除去剤希 釈液を用いて、 5分〜 48時間、 好ましくは 1 ~12時間程度、 浸漬してスケール除去を おこなうものである。 なお、 上記 Γスケール除去剤希釈液に、 製造設備およびその部品を 浸漬」 とは、 スケール除去剤希轵液に製造設備の部品を浸漬することとともに、 製造タン ク、 充填タンク等のタンク及び配管内にスケール除去剤希釈液を満たして静置することを 意味するものである。  First, (1) The scale removal method using the scale remover composition of the present invention is usually classified into water or water depending on the type and scale of various production facilities and the degree of contamination of various production facilities. This is a method of removing the scale by immersing the manufacturing equipment and its parts in the diluted scale remover diluted with hot water. For example, in beer factories, brewery factories, beverage factories such as juice and soft drinks, and factory facilities such as milk factories, the scale remover composition is 1 to 20% by mass, preferably 5 to 10% in water or hot water. 5% to 48 hours, preferably 1 to 12 hours, using a scale remover dilution diluted to a concentration range of 10% to 100 ° C, preferably 50 to 80 ° C. Descale to remove the scale. “Immerse the manufacturing equipment and its parts in the Γ scale remover dilution liquid” means that the parts of the manufacturing equipment are immersed in the scale remover dilute liquid, as well as tanks and piping such as production tanks and filling tanks. It means that the descaling agent diluent is filled inside and left to stand.
' 【0034】  '[0034]
つぎに、 （2) C I P用酸性洗浄剤を水または湯にて 1 ~ 10質量％濃度に希釈した C I 二 P用酸性洗浄剤希釈液に対して、 当該希釈液量め 1 - 20寳畺％濃度相当量 Iこ相当ず 食 : 品工業用スケール除去剤組成物を添加することによリ得られた混合希釈液に、 製造設備お よびその部品を浸潰することにより、 スケ一ル除去と洗浄とを同時におこなう方法である 。 なお、 上記 「混合希釈液に、 製造設備およびその部品を浸漬」 とは、 混合希釈液に製造 設備の部品を浸漬することの他に、 製造タンク、 充填タンク等のタンク及び配管内に混合 希釈液を満たし静置することを意味するものである。 まだ、 混合希新液の温度は 10 00°C、 好ましくは 50~80°Cの温度範囲で、 浸漬時間は 5分〜 48時間、 好ましくは 1 ~1 2時間程度に設定される。 Next, (2) with respect to CI 2 P acidic detergent diluted with water or hot water to a concentration of 1 to 10% by mass, dilute 1-20% Concentration equivalent amount I Not equivalent food : Scale removal by submerging the manufacturing equipment and its parts in the mixed dilution obtained by adding the scale remover composition for industrial products. This is a method of performing cleaning at the same time. The above “immersion of manufacturing equipment and its parts in mixed diluent” refers to mixing and diluting in manufacturing tanks, filling tanks and other tanks and pipes in addition to immersing manufacturing equipment parts in mixed diluent. It means that the liquid is filled and left standing. Still, the temperature of the mixed dilute solution is 100 ° C., preferably 50 to 80 ° C., and the immersion time is set to 5 minutes to 48 hours, preferably about 1 to 12 hours.
【0035】  [0035]
そして、 最後に、 （3) C I Pの酸性洗浄工程において、 C I P用酸性洗浄剤を水または 湯にて 1 ~10質量％濃度に希釈した C I P用酸性洗浄剤希釈液に対して、 当該希釈液量 の 1 ~20質量％濃度相当量の食品工業用スケール除去剤組成物を添加することによリ得 られた混合希釈液を用いて、 循環洗浄することにより、 スケール除去と洗浄を同時におこ なう洗浄方法である。 なお、 上記 「循環洗浄 j とは、 飲食料品の製造設備の製造タンク、 充填タンク等のタンク及び配管内に、 混合希釈液を循環 （流動） させておこなうことを意 味するものである。  Finally, (3) in the CIP acidic cleaning step, the amount of the diluted solution for the CIP acidic cleaning solution diluted to 1 to 10% by mass with water or hot water The scale removal and washing are performed simultaneously by circulating and washing using the mixed dilution obtained by adding the food industry scale remover composition equivalent to the concentration of 1 to 20% by mass of It is a cleaning method. The above-mentioned “circulation cleaning j” means that the mixed diluted solution is circulated (flowed) in the tanks and pipes such as the production tank and the filling tank of the food and beverage production facility.
【0036】  [0036]
上記 （3) の C 1 P洗浄方法の工程全体は、 次の A 1 ~A7又は B 1 ~B7のいずれかの 工程の順序で構成される。 詳しくは、 A 1 ) 製品の排出 （水洗浄） 、 A 2) アルカリ洗浄 、 A3) 水洗浄 （中間すすぎ） 、 A 4) 酸洗浄、 A 5) 水洗浄 （中間すすぎ） 、 A6) 殺 菌洗浄 （次亜塩素酸ナトリウム、 過齚酸、 ヨウ素、 熱水等） 、 A7) 水洗浄 （最終すすぎ ) の順序、 または、 B1 ) 製品の排出 （水洗浄） 、 B2) 酸洗浄、 B3) 水洗浄 （中間す すぎ） 、 B4) アルカリ洗浄、 B5) 水洗浄 （中間すすぎ） 、 B6) 殺菌洗浄 （次亜塩素 酸ナトリウム、 過酢酸、 ヨウ素、 熱水等） 、 B7) 水洗浄 （最終すすぎ） の順序でおこな うものである。  The whole process of the C 1 P cleaning method of (3) above is composed of the following sequence of steps A 1 to A7 or B 1 to B7. For details, please refer to A 1) Product discharge (water washing), A 2) Alkaline washing, A3) Water washing (intermediate rinse), A 4) Acid washing, A 5) Water washing (intermediate rinse), A6) Bactericidal washing (Sodium hypochlorite, peroxyacid, iodine, hot water, etc.) A7) Order of water washing (final rinse), or B1) Product discharge (water washing), B2) Acid washing, B3) Water washing (Intermediate rinse), B4) alkali wash, B5) water wash (intermediate rinse), B6) sterilization wash (sodium hypochlorite, peracetic acid, iodine, hot water, etc.), B7) water wash (final rinse) This is done in order.
【0037】  [0037]
そして、 上記混合希釈液の温度は、 10~1 20°Cの温度範囲で、 混合希釈液の循環時間 は 10~60分間、 好ましくは 20~40分間おこなわれるものである。  The temperature of the mixed diluent is in the temperature range of 10 to 120 ° C., and the circulation time of the mixed diluent is 10 to 60 minutes, preferably 20 to 40 minutes.
【0038】  [0038]
また、 上記 （2) 及び （3) の C I P洗浄方法で用いられる C I P用酸性洗浄剤としては 、 市販のものを使用することができ、 例えば、 商品名：パンゲレート V40 (大三工業社 製） 、 商品名：パンゲレート VC (大三工業社製） 、 商品名：パンケレート VC 45 (大 三工業社製） 、 商品名：パンケレート VP (大三工業社製） 、 商品名：パンケレート VS 10 (大三工業社製） 、 商品名：パンゲレート MS 1 (大三工業社製） 、 商品名：パンゲ レート MS2 (大三工業社製） 、 商品名：パンゲレート MS3 (大三工業社製） 、 商品名 ：パンケレート MS4 (大三工業社製） などが挙げられる。  In addition, as the acidic cleaner for CIP used in the CIP cleaning method of (2) and (3) above, a commercially available one can be used, for example, trade name: Pangerate V40 (manufactured by Daisan Industrial Co., Ltd.), Product name: Pangerate VC (manufactured by Daisan Industrial Co., Ltd.), Product name: Pankerate VC 45 (manufactured by Daisan Kogyo Co., Ltd.), Product name: Pankerate VP (manufactured by Daisan Kogyo Co., Ltd.) Product name: Pangerate MS 1 (manufactured by Daisan Industrial Co., Ltd.), Product name: Pangerate MS2 (manufactured by Daisan Kogyo Co., Ltd.), Product name: Pangerate MS3 (manufactured by Daisan Industrial Co., Ltd.), Product name: Pankerate MS4 (Daisan Industry Co., Ltd.)
差替え用紙 （規則 26) 【0039】 Replacement paper (Rule 26) [0039]
そしてまた、 本発明のスケール除去剤組成物は、 C I P洗浄のみならず、 飲食料品の製造 設備の各種洗浄に広く用いることができる。 例えば、 水または湯で希釈したスケール除去 剤希釈液を高圧洗浄機に用いて各種製造設備に対して噴霧することにより、 スケール除去 を行うこともできる。 なお、 このときのスケール除去剤希釈液の濃度は、 製造設備や配管 等の内壁と接触を高めるために、 上記浸漬によるスケール除去の場合の 2~1 0倍の濃度 とすることが好ましい。 The scale remover composition of the present invention can be widely used not only for CIP cleaning, but also for various types of cleaning of food and beverage product manufacturing equipment. For example, scale removal can also be performed by spraying a scale remover diluted solution diluted with water or hot water on various manufacturing equipment using a high-pressure washing machine. The concentration of the scale remover diluent at this time is preferably 2 to 10 times the concentration in the case of scale removal by the above immersion in order to enhance contact with the inner wall of the production equipment or piping.
【実施例】  【Example】
【0040】  [0040]
つぎに、 実施例について比較例と併せて説明する。 Next, examples will be described together with comparative examples.
[0041】 ·  [0041] ·
後記の表 1 ~ 7に示す、 実施例 1 ~ 16および比較例 1 ~ 1 2の組成 （各表の数値の単位 は質量％であり、 以下、 「％j と略すことがある。 ） の各種供試スケール除去剤組成物 （ 以下、 供試組成物という） を調整し、 pH、 スケール除去性、 ステンレス材質影響防止性 、 ゴム材質影響防止性、 貯蔵安定性の 5つの試験項目について評価し、 その結果を後記の 表 1~7に併せて示す。 また、 各試験項目における試験方ま及び評価方法は、 以下に示す とおりである。 Compositions of Examples 1 to 16 and Comparative Examples 1 to 12 shown in Tables 1 to 7 below (units of numerical values in each table are% by mass, and hereinafter may be abbreviated as “% j”). The test scale remover composition (hereinafter referred to as the test composition) was adjusted and evaluated for five test items: pH, scale removal, stainless steel material effect prevention, rubber material effect prevention property, and storage stability. The results are also shown in Tables 1 to 7. The test methods and evaluation methods for each test item are as shown below.
【0042】  [0042]
(1) pH  (1) pH
供試組成物の 1質量％希釈水溶液の 25°Cにおける pH (J I S Z— 8802 : 1 98 4 ΓρΗ測定方法 J ) を測定し、 以下の評価基準に従って判定した。 The pH of the 1% by weight diluted aqueous solution of the test composition was measured at 25 ° C. (JISZ-8802: 1984-ΓρΗ measurement method J) and judged according to the following evaluation criteria.
〔評価基準〕  〔Evaluation criteria〕
O： 3未満の範囲である  O: less than 3
X ： 3を超える範囲にある  X: Over 3
とし、 oを実用性のあるものど判定した。 And o was determined to be practical.
【0043】  [0043]
(2) スケール除去性試験  (2) Scale removal test
〔試験方法 1〕 · ―  [Test method 1]
1一 -供試組成物を水で希釈し、 5質量％の供試組成物希釈液を調整する。 ィンキュベ ータ一にて、 80°Cに保温された当該供試組成物希釈液に 0. 5質量％の酸化第二鉄 （キ シダ化学株式会社製） を添加し 1時間攪拌する。 1時間後における供試組成物希釈液中の 鉄イオン濃度を I CP発光分析装置 （型式： SPS7800、 エスアイアイ■ナノテクノ ロジー株式会社製） にて測定し、 以下の評価基準に従って評価した。 なお、 鉄イオンの溶 解量とスケ：ル餘去率は比辆し:鈇イオン溶解量が多いほど、 本発明が対象とする酸化鉄 や水酸化鉄が主体のスケールに対する除去性が高いといえる。  1-Dilute the test composition with water to prepare a 5% by weight test composition dilution. Add 0.5% by mass of ferric oxide (manufactured by Kishida Chemical Co., Ltd.) to the diluted test composition kept at 80 ° C in an incubator and stir for 1 hour. The iron ion concentration in the diluted test composition after 1 hour was measured with an ICP emission spectrometer (model: SPS7800, manufactured by SII NanoTechnology Co., Ltd.) and evaluated according to the following evaluation criteria. It should be noted that the dissolution amount and scale of iron ions are more comparable: The higher the solubilization amount, the higher the removability of the iron oxide and iron hydroxide targeted by the present invention to the scale. I can say that.
1— 2 上記 1一 1の水に換えてパンゲレート V40 (硝酸系の C I P用酸性洗浄剤、 大 三工業社製、 以下同じ。 ） の 1質量％水溶液を用いて、 供試組成物希釈液を調整した場合 について、 同様の操作を行い以下の評価基準に従って判定した。  1— 2 Using 1% by weight aqueous solution of Pangerate V40 (nitric acid-based acidic detergent for CIP, manufactured by Daisan Kogyo Co., Ltd., the same shall apply) instead of the water of 1-11 above, dilute the test composition. In the case of adjustment, the same operation was performed and the determination was made according to the following evaluation criteria.
〔評価基準〕  〔Evaluation criteria〕
◎：鉄イオンの溶解量が 15 Omg/L以上  A: Iron ion dissolution amount is 15 Omg / L or more
O：鉄イオンの溶解量が 10 OmgZL以上〜 1 5 OmgZL未満  O: Dissolution amount of iron ion is 10 OmgZL or more and less than 15 OmgZL
Δ：鉄イオンの溶解量が 5 OmgZL以上〜 1 OOmg/L未満  Δ: Dissolution amount of iron ion is 5 OmgZL or more and less than 1 OOmg / L
X ：鉄イオンの溶解量が 50mgZLm未満  X: Dissolution amount of iron ions is less than 50mgZLm
とし、 ◎及び Oを実用性のあるものと判定した。 And ◎ and O were determined to be practical.
【0044】  [0044]
(3) ステンレス材質影響防止性試験  (3) Stainless steel material effect prevention test
方' ' 3  Direction '' 3
2- 1 供試組成物を水で希釈し、 5賨量％の供試組成物希釈液を調整する。 インキュべ —ターにて、 80°Cに保温された当該供試組成物希釈液に下記試験片 1及び 2を 24時間 浸漬する。 24時間後に各試験片 1及び 2を取り出し、 水道水で濯ぐ。 上記作業を繰り返 し、 累計 100時間の浸漬を行い、 100時間後に各試験片を取り出し、 水道水で濯ぎ、 室温で乾燥させた後、 目視にて観察し、 以下の評価基準に従って判定した。  2-1 Dilute the test composition with water and prepare a 5% by weight test composition dilution. In an incubator, immerse the following specimens 1 and 2 for 24 hours in the test composition dilution kept at 80 ° C. After 24 hours, remove each specimen 1 and 2 and rinse with tap water. The above operation was repeated, soaking was carried out for a total of 100 hours. After 100 hours, each test piece was taken out, rinsed with tap water, dried at room temperature, visually observed, and judged according to the following evaluation criteria.
2-2 上記 2—1の水に換えてパンケレート V40の 1質量％水溶液を用いて、 供試組 成物希釈液を調整した場合について、 同様の操作を行い以下の評価基準に従って判定した 2-2 In the case of adjusting the test composition dilution using a 1% by weight aqueous solution of Punkerate V40 in place of the water in 2-1 above, the same operation was performed and the determination was made according to the following evaluation criteria.
〔試験片〕 〔Test pieces〕
ステンレス試験片 1 ：材質： SUS304 (縦 8 Ommx横 5 Ommx厚さ 1 Omm) ステンレス試験片 2 ：材質： SUS 316 (縦 80 mm X横 5 Omm X厚さ 1 Omm) [評価基準〕 Stainless Steel Specimen 1: Material: SUS304 (Vertical 8 Ommx Width 5 Ommx Thickness 1 Omm) Stainless Steel Specimen 2: Material: SUS316 (Vertical 80 mm X Width 5 Omm X Thickness 1 Omm) [Evaluation Criteria]
◎：腐食や変色が認められない  A: No corrosion or discoloration is observed
o：腐食や変色がわずかに認められる  o: Slight corrosion or discoloration is observed
X ：著しい腐食や変色が認められる  X: Significant corrosion or discoloration is observed
とし、 ◎及び oを実用性のあるものと判定した。 And ◎ and o were judged to be practical.
差替え用紙 （規則 26) 【0045】 Replacement paper (Rule 26) [0045]
(4) ゴム材質影響防止性試験  (4) Rubber material effect prevention test
〔試験方法〕  〔Test method〕
3-1 供試組成物を水で希釈し、 5質量％の供試組成物希釈液を調整する。 インキュべ 一ターにて、 80°Cに保温された当該供試組成物希釈液に下記試験片 3及び 4を 24時間 浸漬する。 24時間後に各試験片 3及び 4を取り出し、 水道水で濯ぐ。 上記作業を繰り返 し、 累計 100時間の浸漬を行い、 100時間後に各試験片を取り出し、 水道水で濯ぎ、 室温で乾燥させた後、 目視にて観察し、 以下の評価基準に従って判定した。  3-1 Dilute the test composition with water to prepare a 5% by weight test composition dilution. In an incubator, immerse the following specimens 3 and 4 for 24 hours in the test composition dilution kept at 80 ° C. After 24 hours, remove each specimen 3 and 4 and rinse with tap water. The above operation was repeated, soaking was carried out for a total of 100 hours. After 100 hours, each test piece was taken out, rinsed with tap water, dried at room temperature, visually observed, and judged according to the following evaluation criteria.
3-2 上記 3— 1の水に換えてパンゲレート V40の 1質量％水溶液を用いて、 供試組 成物希釈液を調整した場合について、 同様の操作を行い以下の評価基準に従って判定した r§¾ 片 3  3-2 In the case of adjusting the test composition dilution using a 1% by weight aqueous solution of Pangerate V40 in place of the water in 3-1 above, the same procedure was followed and the determination was made according to the following evaluation criteria r§ ¾ piece 3
ゴム試験片 3 ：材質：二トリルブタジエンゴム (NB ) (縦 50mmx横 2 OmmX Rubber test piece 3: Material: Nitrile butadiene rubber (NB) (length 50mmx width 2 OmmX
'厚さ 5 mm) (Thickness 5 mm)
ゴム試験片 4：材質：エチレンプロピレンゴ厶 （EPDM) (縦 5 OmmX横 2 Omm X厚さ 5mm)  Rubber specimen 4: Material: Ethylene propylene rubber (EPDM) (length 5 Omm x width 2 Omm x thickness 5mm)
[評価基準〕  [Evaluation criteria〕
◎：腐食や変色^認められない  ◎: Corrosion and discoloration are not recognized
O：腐食や変色がわずかに認められる  O: Slight corrosion or discoloration
X：著しい腐食や変色が認められる  X: Significant corrosion or discoloration is observed
とし、 ◎及び Oを実用性のあるものと判定した。  And ◎ and O were determined to be practical.
【0046】  [0046]
(5) 貯蔵安定性試験  (5) Storage stability test
貯蔵安定性試験を次のようにして行った。 The storage stability test was conducted as follows.
〔試験方法〕  〔Test method〕
供試組成物を、 25 Om，容量のポリエチレン製容器に 200m I入れて、 一 5°C、 25 °Cおよび 40°Cに設定されたそれぞれのィンキュベ一ターに 2週間配置した後、 供試組成 物の外観を目視で観察し以下の評価基準によリ判定した。 Place the test composition in a 25 Om, polyethylene container in a volume of 200 mI and place it in each incubator set at 15 ° C, 25 ° C and 40 ° C for 2 weeks, then The appearance of the composition was visually observed and judged according to the following evaluation criteria.
〔評価基準〕  〔Evaluation criteria〕
◎ :—5°C、 25°C、 40°Cにて、 外観に全く変化なし  ◎: No change in appearance at -5 ° C, 25 ° C, 40 ° C
O：いずれかの温度において外観に変色、 固化、 ベたつき等のわずかな変化あり X：いずれかの温度において外観に変色、 固化、 ベたつき等の著しい変化あり とし、 評 基準が ©及び Oであるも øを実用性めあるもめと評価した:  O: Appearance changes slightly in appearance, solidification, stickiness, etc. at any temperature X: Appearance changes in appearance, solidification, stickiness, etc., at any temperature O was rated as a practical moth:
【0047】  [0047]
なお、 後記の表 1 ~表 7において、 用いた各種成分とその有効純分 （質量％、 「％」 と略 す） の詳細は、 下記の通リであり、 表中の数値は、 有り姿で示したものである。 In Tables 1 to 7 below, the details of the various components used and their effective pure content (mass%, abbreviated as “%”) are as follows. The values in the table are as they are. It is shown by.
【0048】  [0048]
〔 (a) 成分〕  ((A) component)
-リンゴ酸  -Malic acid
製品名： 「リンゴ酸フソゥ J 、 扶桑化学工業株式会社製、 有効成分量： 99% • フマル酸  Product name: “Fuso Malate J, manufactured by Fuso Chemical Industry Co., Ltd., active ingredient amount: 99% • Fumaric acid
製品名： Γフマル酸」 、 和光純薬工業株式会社製、 有効成分量： 98%  Product name: Γ fumaric acid ”, manufactured by Wako Pure Chemical Industries, Ltd., active ingredient amount: 98%
•マレイン酸  Maleic acid
製品名： Γマレイン酸 j 、 和光純薬工業株式会社製、 有効成分量： 99%  Product name: Γ maleic acid j, manufactured by Wako Pure Chemical Industries, Ltd., active ingredient amount: 99%
-アジピン酸  -Adipic acid
製品名： 「アジピン酸」 、 和光純薬工業株式会社製、 有効成分量： 99. 5% ■グリコール酸  Product name: “Adipic acid”, manufactured by Wako Pure Chemical Industries, Ltd., active ingredient amount: 99.5% ■ Glycolic acid
製品名： Γグリコール酸」 、 和光純薬工業株式会社製、 有効成分量： 97% ■ギ酸  Product name: Γ glycolic acid ”, manufactured by Wako Pure Chemical Industries, Ltd., active ingredient content: 97% ■ formic acid
製品名： 「ギ酸 j 、 和光純薬工業株式会社製、 有効成分量 : 99%  Product name: "Formic acid j, manufactured by Wako Pure Chemical Industries, Ltd., active ingredient amount: 99%
•酢  • Vinegar
製品名： 「酢酸」 、 和光純薬工業株式会社製、 有効成分量 : 99%  Product name: “Acetic acid”, Wako Pure Chemical Industries, Ltd., Active ingredient amount: 99%
差替え用紙 （規則 26) 酒乳クマシグL ti Replacement paper (Rule 26) Sake Milk Bearsig L ti
製製製製製酸製製ルェ |石ュ口 Ob  Made of acid acid made lure |
酸品ァ品品品品品品ゥ Πンン  Acid product product product product
酸名酸名酸名名成ス名名名 4ン  Acid name acid name name name name name name name name name 4
： 「乳酸」 、 和光純薬工業株式会社製、 有効成分量： 8506  : "Lactic acid", Wako Pure Chemical Industries, Ltd., Active ingredient amount: 8506
： 「酒石酸」 、 和光純薬工業株式会社製、 有効成分量： 99%  : "Tartaric acid", Wako Pure Chemical Industries, Ltd., Active ingredient amount: 99%
接  Contact
： 「50%グルコン酸」 、 和光純薬工業株式会社製、 有効成分量： 50% ： Γクェン酸」 、 和光純薬工業株式会社製、 有効成分量： 98% ： 「マロン酸 j 、 和光純薬工業株式会社製、 有効成分量： 98% ： Γシユウ酸」 、 和光純薬工業株式会社製、 有効成分量： 98% コルビン酸  : "50% gluconic acid", manufactured by Wako Pure Chemical Industries, Ltd., active ingredient amount: 50%: Γ-Chenic acid, manufactured by Wako Pure Chemical Industries, Ltd., active ingredient amount: 98%: "malonic acid j, Wako Jun" Yakuhin Kogyo Co., Ltd., active ingredient amount: 98%: Γ oxalic acid ”, Wako Pure Chemical Industries, Ltd.
： 「L—ァスコルビン酸」 、 和光純薬工業株式会社製、 有効成分量： 99. 5 %  : "L-ascorbic acid", manufactured by Wako Pure Chemical Industries, Ltd., active ingredient amount: 99.5%
■エリソルビン酸  ■ Erythorbic acid
製品名： 「エリソルビン酸 j 、 扶桑化学工業株式会社製、 有効成分量： 99% 【0050】  Product name: “Erythorbic acid j, manufactured by Fuso Chemical Industry Co., Ltd., active ingredient amount: 99% [0050]
C (c)成分〕  C (c) component)
-尿素、  -Urea,
製品名： 「尿素」 、 和光純薬工業株式会社製、 有効成分量： 99%  Product name: “Urea”, manufactured by Wako Pure Chemical Industries, Ltd., active ingredient amount: 99%
-ジメチル尿素  -Dimethylurea
製品名： 「1, 3-ジメチル尿素 J 、 和光純薬工業株式会社製、 有効成分量： 98% 一—【00.51】  Product name: “1,3-Dimethylurea J, manufactured by Wako Pure Chemical Industries, Ltd., active ingredient amount: 98% one— 【00.51】
1 (その他) 成分〕  1 (Other ingredients)
■グルコース  ■ Glucose
製品名： 「D ( + ) -グルコース」 、 和光純薬工業株式会社製、 有効成分量： 98% ■サッカロース  Product name: “D (+)-glucose”, manufactured by Wako Pure Chemical Industries, Ltd., active ingredient amount: 98% ■ Saccharose
.. 製品名： Γスクロース _| 、 和光純薬工業株式会社製、 有効成分量： 98%  .. Product name: Γ sucrose _ |, manufactured by Wako Pure Chemical Industries, Ltd., active ingredient amount: 98%
- トリポリり 酸チ リゥム  -Tripoly acid
製品名： 「トリポリリン酸ソ一ダ J 、 和光純薬工業株式会社製、 有効成分量： 98% -エチレンジァミン四酢酸塩  Product name: "Tripolyphosphate soda J, manufactured by Wako Pure Chemical Industries, Ltd., active ingredient amount: 98%-ethylenediamine tetraacetate"
製品名： 「キレスト DJ 、 キレスト株式会社製、 有効成分量： 98%  Product name: “Kyrest DJ, manufactured by Kyrest Co., Ltd., Active ingredient amount: 98%
■硝酸  ■ Nitric acid
製品名： 「硝酸」 、 和光純薬工業株式会社製、 有効成分量： 70%  Product name: “Nitric acid”, Wako Pure Chemical Industries, Ltd., Active ingredient amount: 70%
-確酸尿素  -Sure urea
製品名： 「硝酸尿素」 、 昭和化学株式会社製、 有効成分量 : 98%  Product name: “Urea nitrate”, manufactured by Showa Chemical Co., Ltd., active ingredient amount: 98%
，防鑌剤 1  , Antifungal agent 1
製品名： Γィビット N o . S 600 J 、 朝日化学工業株式会社製、 有効成分量：' 98 Product name: Γ-bit No. S 600 J, manufactured by Asahi Chemical Industry Co., Ltd., active ingredient amount: '98
% %
-防鎮剤 2  -Antiseptic 2
製品名： Γ B T— 1 20」 、 城北化学工業株式会社製、 有効成分量： 98«½ 【0052】  Product name: Γ B T-1 20 ”, manufactured by Johoku Chemical Industry Co., Ltd., active ingredient amount: 98« ½ [0052]
【表 1】  【table 1】
差替え用紙 （規則 26) Replacement paper (Rule 26)
Figure imgf000009_0001
Figure imgf000009_0001
【0 0 5 3】  [0 0 5 3]
【表 2】  [Table 2]
差替え用紙 （規則 26) Replacement paper (Rule 26)
Figure imgf000010_0001
Figure imgf000010_0001
【0054】  [0054]
【表 3】  [Table 3]
差替え用紙 （規則 26) Replacement paper (Rule 26)
Figure imgf000011_0001
Figure imgf000011_0001
【0055】  [0055]
ほ 4】  E 4]
差替え用紙 （規則 26) Replacement paper (Rule 26)
Figure imgf000012_0001
Figure imgf000012_0001
【0 0 5 6】  [0 0 5 6]
【表 5】  [Table 5]
差替え用紙 （規則 26) Replacement paper (Rule 26)
Figure imgf000013_0001
Figure imgf000013_0001
【0 0 5 7】  [0 0 5 7]
ほ 6】  E 6]
差替え用紙 （規則 26) Replacement paper (Rule 26)
Figure imgf000014_0001
Figure imgf000014_0001
【0 0 5 8】  [0 0 5 8]
ほ 7】  E7]
差替え用紙 （規則 26) Replacement paper (Rule 26)
Figure imgf000015_0001
Figure imgf000015_0001
【0059】  [0059]
表 1 ~7の結果より、 本発明のスケール除去剤組成物の実施例品は、 pH、 スケール除去 性、 ステンレス材質影響防止性、 ゴム材質影響防止性及び貯蔵安定性の全ての項目におい て、 優れた性能を有していることがわかる。 From the results of Tables 1 to 7, the examples of the descaling composition of the present invention are as follows: pH, scale removability, stainless steel material effect prevention property, rubber material effect prevention property and storage stability. It can be seen that it has excellent performance.
【0060】  [0060]
また、 上記スケール除去性試験 (1 -2) 、 ステンレス材質影響防止性試験 (2-2) 及 びゴム材質影響防止性試験 (3-2) について、 パンケレート V40 (硝酸系の C I P用 酸性洗浄剤、 大三工業社製） に換えて、 リン酸系の C I P用酸性洗浄剤のパンゲレート M S 1を用いて試験した場合においても、 パンケレート V40と同様の結果が得られた。 In addition, regarding the above scale removability test (1-2), stainless steel material effect prevention test (2-2) and rubber material effect prevention test (3-2), Punkerate V40 (acidic detergent for nitric acid based CIP) In addition, when the phosphoric acid-based acidic detergent for CIP, Pangelate MS 1, was used instead of Daisan Kogyo Co., Ltd., the same result as that of Pankerate V40 was obtained.
差替え用紙 （規則 26) Replacement paper (Rule 26)

Claims

【書類名】 特許請求の範囲 [Document Name] Claims
【請求項 1】  [Claim 1]
有効成分として下記の （a) - (c) 成分を組成物全体に対し下記の割合で含有し、 且つ 組成物の 1質量％希釈水溶液の pH (J 〖 S Z— 8802 : 1984 Γρ Η測定方法」 ) が、 25°Cにおいて 3未溝の範囲であることを特徴とする食品工業用スケール除去剤組 成物。 The following components (a)-(c) as active ingredients are contained in the following proportions with respect to the whole composition, and the pH of a 1% by weight diluted aqueous solution of the composition (J 〖SZ— 8802: 1984 Γρ Η measurement method) ) Is in the range of 3 ungrooved at 25 ° C, a scale remover composition for the food industry.
(a) 有機酸 5~60質量％、  (a) 5-60 mass% organic acid,
(b) Lーァスコルビン酸及び/又はエリソルビン酸 1 5~80質量％、  (b) L-ascorbic acid and / or erythorbic acid 15 to 80% by mass,
(c) 尿素化合物 0. 01 ~6質量％。  (c) Urea compound 0.01 to 6% by mass.
【請求項 2】  [Claim 2]
上記 （a) 成分の有機酸が、 リンゴ酸、 フマル酸、 マレイン酸、 アジピン酸、 グリコール 酸から選ばれる少なくとも一種であることを特徴とする請求項 1記載の食品工業用スケ一 ル除去剤組成物。 2. The scale remover composition for food industry according to claim 1, wherein the organic acid as component (a) is at least one selected from malic acid, fumaric acid, maleic acid, adipic acid, and glycolic acid. object.
【請求項 3】  [Claim 3]
上記 （c) 成分の尿素化合物が、 尿素及び/又はジメチル尿素であることを待徴とする請 求項 1または 2に記載の食品工業用スケール除去剤組成物。 3. The scale remover composition for food industry according to claim 1 or 2, wherein the urea compound as component (c) is urea and / or dimethylurea.
【請求項 4】  [Claim 4]
上記請求項 1 ~3のいずれか一項に記載の食品工業用スケール除去剤組成物を、 水または 湯にて、 1 ~20質量％に希釈したスケール除去剤希釈液を用いて、 飲食料品工場の製造 設備およびその部品を浸漬することによりスケール除去することを特徵とするスケ一ル除 去方法。 Food / beverage products using a scale remover diluent obtained by diluting the scale remover composition for food industry according to any one of claims 1 to 3 with water or hot water to 1 to 20% by mass. A scale removal method characterized by removing scale by dipping factory manufacturing equipment and its parts.
【請求項 5】 . __. [Claim 5]. __.
C I P用酸性洗浄剤を水または湯にて 1 ~10質量％濃度に希釈した C I P用酸性洗浄剤 希釈液に対して、 当該希釈液量の 1 ~20質量％濃度相当量の上記請求項 1 ~3のいずれ か一項に記載の食品工業用スケール除去剤組成物を添加することによリ得られた混合希釈 液に、 製造設備およびその部品を浸漬することにより、 スケール除去と洗浄とを同時にお こな と'を特徴とす-る洗浄方法。 CIP acidic detergent diluted with water or hot water to a concentration of 1 to 10% by mass The diluted CIP acid detergent has a concentration equivalent to 1 to 20% by mass of the diluted liquid. The scale removal and the cleaning are simultaneously performed by immersing the manufacturing equipment and its parts in the mixed dilution obtained by adding the scale remover composition for food industry according to any one of 3 above. A cleaning method characterized by 'Otonato'.
【請求項 6】  [Claim 6]
C I Pの酸性洗浄工程において、 C I P用酸性洗浄剤を水または湯にて 1 ~ 10質量％濃 度に希釈した C I P用酸性洗浄剤希釈液に対して、 当該希釈液量の 1 ~20質量％濃度相 当量の上記請求項 1 ~ 3のいずれか一項に記載の食品工業用スケール除去剤組成物を添加 することにより得られた混合希釈液を用いて、 循環洗浄することにより、 スケール除去と 洗浄を同時におこなうことを特徴とする C I Pの洗浄方法。  In the CIP acidic cleaning process, the CIP acidic detergent diluted with water or hot water to a concentration of 1 to 10% by mass is diluted to 1 to 20% by mass of the diluted solution for CIP. Descale removal and washing by circulating washing using a mixed dilution obtained by adding a phase remover composition for food industry according to any one of claims 1 to 3 in equivalent equivalents A CIP cleaning method characterized by performing
差替え用紙 （規則 26) Replacement paper (Rule 26)
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