CA2456978A1 - A method for disinfecting and stabilizing organic wastes with mineral by-products - Google Patents

A method for disinfecting and stabilizing organic wastes with mineral by-products Download PDF

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Publication number
CA2456978A1
CA2456978A1 CA002456978A CA2456978A CA2456978A1 CA 2456978 A1 CA2456978 A1 CA 2456978A1 CA 002456978 A CA002456978 A CA 002456978A CA 2456978 A CA2456978 A CA 2456978A CA 2456978 A1 CA2456978 A1 CA 2456978A1
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CA
Canada
Prior art keywords
mineral
stable
mixture
products
granular bio
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.)
Granted
Application number
CA002456978A
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French (fr)
Other versions
CA2456978C (en
Inventor
Terry J. Logan
Ervin L. Faulmann
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.)
N Viro International Corp
Original Assignee
N-Viro International Corporation
Terry J. Logan
Ervin L. Faulmann
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Filing date
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Application filed by N-Viro International Corporation, Terry J. Logan, Ervin L. Faulmann filed Critical N-Viro International Corporation
Publication of CA2456978A1 publication Critical patent/CA2456978A1/en
Application granted granted Critical
Publication of CA2456978C publication Critical patent/CA2456978C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F3/00Fertilisers from human or animal excrements, e.g. manure
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L11/00Methods specially adapted for refuse
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/40Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/13Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C02F11/143Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05DINORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D3/00Calcareous fertilisers
    • C05D3/02Calcareous fertilisers from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium products
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05DINORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D9/00Other inorganic fertilisers
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/18Treatment of sludge; Devices therefor by thermal conditioning
    • C02F11/185Treatment of sludge; Devices therefor by thermal conditioning by pasteurisation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/20Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/22Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/26Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/32Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/04Disinfection
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/141Feedstock
    • Y02P20/145Feedstock the feedstock being materials of biological origin

Abstract

A method of disinfecting and stabilizing organic wastes where organic waste is intimately mixed with one or more mineral by-products to produce a mixture having a pH of less than about 9. The mixture is heated and dried to produce a stable, granular bio-mineral product that may be used for example, as a fertilizer, soil amendment or as a soil substitute. Also provided are stable, granular bio-mineral products formed by the methods of the present invention and fertilizers, soil amendments, and soil substitutes that include these stable, granular bio-mineral products. Further provided are systems for disinfecting and stabilizing organic waste, and systems for making a stable, granular bio-mineral product.

Claims (27)

1. A method of disinfecting and stabilizing organic waste, comprising intimately mixing organic waste with one or more mineral by-products to form a mixture having a pH of less than about 9; and heating and drying the mixture to produce a stable, granular bio-mineral product.
2. The method of claim 1, wherein the organic waste is partially de-watered.
3. The method of claim 1, wherein the stable, granular bio-mineral product is biologically stable.
4. The method of claim 1, wherein the stable, granular bio-mineral product is chemically stable.
5. The method of claim 1, wherein the stable, granular bio-mineral product is physically stable.
6. The method of claim 1, wherein the one or more mineral by-products are present in an amount of at least about 10 % by wet weight of the organic waste.
7. The method of claim 1, wherein the organic waste comprises waste selected from the group consisting of sewage sludge, animal manure, biosolid, pulp and paper waste, fermentation biomass, food waste, and combinations thereof.
8. The method of claim 1, wherein the one or more mineral by-products comprise a mineral by-product having a pH of less than about 9 or a mixture of mineral by-products having a combined pH of less than about 9.
9. The method of claim 1, wherein one or more mineral by-products comprise one or more mineral by-products selected from the group consisting of coal combustion wastes, wood ash, calcitic and dolomitic limestone, cement kiln dust, mineral and rock fines, gypsum, steel slag, and combinations thereof.
10. The method of claim 1, wherein the one or more mineral by-products are present in an amount that provides a mixture having a predetermined minimum level of solids.
11. The method of claim 10, wherein the minimum level of solids is in the range from about 30% to about 50% by weight of the mixture.
12. The method of claim 1, wherein the one or more mineral by-products comprise two or more mineral by-products.
13. The method of claim 1, wherein the heating and drying takes place in a hot air dryer.
14. The method of claim 1, wherein the heating and drying is by a direct or indirect dryer.
15. The method of claim 1, wherein the stable, granular bio-mineral product is disinfected.
16. The method of claim 1, wherein the stable, granular bio-mineral product has a solids level of at least about 60 % after drying.
17. The method of claim 1, wherein the stable, granular bio-mineral product has a pH less than about 9 after drying.
18. The method of claim 1, wherein the stable, granular bio-mineral product contains a non-pathogenic microflora.
19. The method of claim 1, wherein the stable, granular bio-mineral product does not produce significant noxious odors when rewet.
20. The method of claim 1, wherein the stable, granular bio-mineral product does not produce a significant amount of ammonia or methyl amines.
21. A method of making a stable, granular bio-mineral material, comprising intimately mixing organic waste with mineral by-products to form a mixture;
and heating and drying the mixture to produce a stable, granular bio-mineral product;
wherein the mixture has a pH of less than about 9.
22. A stable, granular bio-mineral product made by a method comprising intimately mixing organic waste with one or more mineral by-products to form a mixture having a pH of less than about 9; and heating and drying the mixture to produce a stable, granular bio-mineral product.
23 A fertilizer comprising a biologically stable, granular bio-mineral product made by a method comprising intimately mixing organic waste with one or more mineral by-products to form a mixture having a pH of less than about 9; and heating and drying the mixture to produce a stable, granular bio-mineral product.
24. A soil amendment comprising a biologically stable, granular bio-mineral product made by a method comprising intimately mixing organic waste with one or more mineral by-products to form a mixture having a pH of less than about 9; and heating and drying the mixture to produce a stable, granular bio-mineral product.
25. A soil substitute comprising a biologically stable, granular bio-mineral product made by a method comprising intimately mixing organic waste with one or more mineral by-products to form a mixture having a pH of less than about 9; and heating and drying the mixture to produce a stable, granular bio-mineral product.
26. A system for disinfecting and stabilizing organic waste comprising means for intimately mixing organic waste and an effective amount of one or more mineral by-products to form a mixture having a pH of less than about 9;
heating means for heating the mixture; and drying means for drying the mixture to produce a stable, granular bio-mineral product.
27. A system for making a stable, granular bio-mineral product comprising means for intimately mixing organic waste and an effective amount of one or more mineral by-products to form a mixture having a pH of less than about 9;
heating means for heating the mixture; and drying means for drying the mixture to product a stable, granular bio-mineral product.
CA2456978A 2001-08-08 2002-08-01 A method for disinfecting and stabilizing organic wastes with mineral by-products Expired - Fee Related CA2456978C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/923,531 2001-08-08
US09/923,531 US6752848B2 (en) 2001-08-08 2001-08-08 Method for disinfecting and stabilizing organic wastes with mineral by-products
PCT/US2002/024513 WO2003014031A1 (en) 2001-08-08 2002-08-01 A method for disinfecting and stabilizing organic wastes with mineral by-products

Publications (2)

Publication Number Publication Date
CA2456978A1 true CA2456978A1 (en) 2003-02-20
CA2456978C CA2456978C (en) 2011-01-04

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CA2456978A Expired - Fee Related CA2456978C (en) 2001-08-08 2002-08-01 A method for disinfecting and stabilizing organic wastes with mineral by-products

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US (1) US6752848B2 (en)
EP (1) EP1414758A1 (en)
CA (1) CA2456978C (en)
IL (2) IL160234A0 (en)
WO (1) WO2003014031A1 (en)

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Also Published As

Publication number Publication date
WO2003014031A1 (en) 2003-02-20
CA2456978C (en) 2011-01-04
IL160234A0 (en) 2004-07-25
EP1414758A1 (en) 2004-05-06
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