DE69409894T2 - Verfahren zur Verhinderung von Ablagerungen und/oder Dispergieren von Eisen in umgekehrter Osmose Systemem - Google Patents

Verfahren zur Verhinderung von Ablagerungen und/oder Dispergieren von Eisen in umgekehrter Osmose Systemem

Info

Publication number
DE69409894T2
DE69409894T2 DE69409894T DE69409894T DE69409894T2 DE 69409894 T2 DE69409894 T2 DE 69409894T2 DE 69409894 T DE69409894 T DE 69409894T DE 69409894 T DE69409894 T DE 69409894T DE 69409894 T2 DE69409894 T2 DE 69409894T2
Authority
DE
Germany
Prior art keywords
deposits
dispersion
prevention
iron
reverse osmosis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69409894T
Other languages
English (en)
Other versions
DE69409894D1 (de
Inventor
E H Kelle Zeiher
Cynthia A Soderquist
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ChampionX LLC
Original Assignee
Nalco Chemical Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of DE69409894D1 publication Critical patent/DE69409894D1/de
Application granted granted Critical
Publication of DE69409894T2 publication Critical patent/DE69409894T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/04—Feed pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/08—Prevention of membrane fouling or of concentration polarisation
    • 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
    • C02F5/14—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 phosphorus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B01D2321/162—Use of acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B01D2321/168—Use of other chemical agents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis
DE69409894T 1993-09-16 1994-09-16 Verfahren zur Verhinderung von Ablagerungen und/oder Dispergieren von Eisen in umgekehrter Osmose Systemem Expired - Lifetime DE69409894T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/122,729 US5358640A (en) 1992-07-20 1993-09-16 Method for inhibiting scale formation and/or dispersing iron in reverse osmosis systems

Publications (2)

Publication Number Publication Date
DE69409894D1 DE69409894D1 (de) 1998-06-04
DE69409894T2 true DE69409894T2 (de) 1999-01-21

Family

ID=22404409

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69409894T Expired - Lifetime DE69409894T2 (de) 1993-09-16 1994-09-16 Verfahren zur Verhinderung von Ablagerungen und/oder Dispergieren von Eisen in umgekehrter Osmose Systemem

Country Status (5)

Country Link
US (1) US5358640A (de)
EP (1) EP0644160B1 (de)
JP (1) JP3609459B2 (de)
DE (1) DE69409894T2 (de)
ES (1) ES2119939T3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10317683A1 (de) * 2003-04-17 2004-11-11 Wave Gmbh Trinkwasseraufbereitungsanlage

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US8277627B2 (en) 2006-06-13 2012-10-02 Siemens Industry, Inc. Method and system for irrigation
US10213744B2 (en) 2006-06-13 2019-02-26 Evoqua Water Technologies Llc Method and system for water treatment
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US7744760B2 (en) 2006-09-20 2010-06-29 Siemens Water Technologies Corp. Method and apparatus for desalination
US20080169243A1 (en) * 2007-01-11 2008-07-17 Dave Bhasker B Method of inhibiting scale formation and deposition in desalination systems
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US20090101587A1 (en) * 2007-10-22 2009-04-23 Peter Blokker Method of inhibiting scale formation and deposition in desalination systems
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US7520993B1 (en) * 2007-12-06 2009-04-21 Water & Power Technologies, Inc. Water treatment process for oilfield produced water
US8980101B2 (en) * 2008-09-04 2015-03-17 Nalco Company Method for inhibiting scale formation and deposition in membrane systems via the use of an AA-AMPS copolymer
CN102399019A (zh) * 2010-09-09 2012-04-04 中国石油化工股份有限公司 一种反渗透膜阻垢剂及应用
CN102399018B (zh) * 2010-09-09 2013-12-11 中国石油化工股份有限公司 一种反渗透膜阻垢剂及应用
RU2447197C1 (ru) * 2010-10-12 2012-04-10 Общество с ограниченной ответственностью "Научно-производственный центр "Интехпромсервис" (ООО "НПЦ "Интехпромсервис") Состав для предотвращения отложений неорганических солей
CN103347594B (zh) 2010-11-26 2016-02-10 Abb研究有限公司 控制在膜系统操作中的结垢的方法和系统
US10259734B1 (en) * 2011-04-26 2019-04-16 Mansour S. Bader Effective de-scaling for desalination plants and a new brine-forward multi-stage flash concept
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JP6550851B2 (ja) * 2015-03-30 2019-07-31 栗田工業株式会社 逆浸透膜を用いた水処理方法及び水処理装置
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DE10317683A1 (de) * 2003-04-17 2004-11-11 Wave Gmbh Trinkwasseraufbereitungsanlage

Also Published As

Publication number Publication date
JP3609459B2 (ja) 2005-01-12
EP0644160A3 (de) 1995-03-29
ES2119939T3 (es) 1998-10-16
EP0644160A2 (de) 1995-03-22
EP0644160B1 (de) 1998-04-29
JPH07155558A (ja) 1995-06-20
DE69409894D1 (de) 1998-06-04
US5358640A (en) 1994-10-25

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Legal Events

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8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: SEITZ, R., DIPL.-ING.UNIV., PAT.-ANW., 80538 MUENC