CA2381623A1 - Method of waste treatment - Google Patents
Method of waste treatment Download PDFInfo
- Publication number
- CA2381623A1 CA2381623A1 CA002381623A CA2381623A CA2381623A1 CA 2381623 A1 CA2381623 A1 CA 2381623A1 CA 002381623 A CA002381623 A CA 002381623A CA 2381623 A CA2381623 A CA 2381623A CA 2381623 A1 CA2381623 A1 CA 2381623A1
- Authority
- CA
- Canada
- Prior art keywords
- liquid
- slurry
- waste material
- potassium
- animals
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- 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
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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- 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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/145—Feedstock the feedstock being materials of biological origin
Abstract
A method of treating an animal waste slurry so as to efficiently extract nutrients, and which can be performed in a zero-discharge system, comprises flocculating the slurry, processing, e.g. filtering, the flocculated slurry to separate liquid from solid material, drying the solid material, processing the liquid to extract ammonium, phosphorous and potassium from the slurry, all within 24 hours, and preferably on average within 12 hours, of production of the waste material by animals. Since the urates of potassium and ammonium in the slurry take a few hours to break down, they remain in crystalline form and therefore a larger portion of the total amount of potassium and ammonium in the slurry can be extracted.
Claims (17)
1. A method of treating animal waste material in the form of a slurry, which comprises the steps of:-a) flocculating the slurry;
b) processing the flocculated slurry to separate the slurry into liquid and solid material and thereby to remove a major portion of phosphorous and potassium and at least some nitrogen from the slurry, within a sufficiently short period of time following the production of the waste material by animals, that the removed phosphorous, potassium and nitrogen remain bound in a solid compound;
c) processing the liquid to extract further potassium and ammonia therefrom;
and d) drying the solid material.
b) processing the flocculated slurry to separate the slurry into liquid and solid material and thereby to remove a major portion of phosphorous and potassium and at least some nitrogen from the slurry, within a sufficiently short period of time following the production of the waste material by animals, that the removed phosphorous, potassium and nitrogen remain bound in a solid compound;
c) processing the liquid to extract further potassium and ammonia therefrom;
and d) drying the solid material.
2. A method as claimed in claim 1, which includes performing step c) within a sufficiently short period of time following the production of the slurry by animals that the removed ammonium remains dissolved in the liquid;
3. A method as claimed in claim 2, in which step c) comprises stripping and scrubbing the liquid to produce ammonium salts.
4. A method as claimed in claim 3, which includes adding the ammonium salts to the solid material.
5. A method as claimed in claim 1, 2 or 3, which includes adding lime to the liquid to extract further phosphorous and precipitate remaining suspended solids from the liquid.
6. A method as claimed in claim 1, 2, or 3, wherein step c) includes employing zeolite to adsorb ammonia from the liquid.
7. A method as claimed in claim 1, 2, 3 or 4, which includes employing zeolite to adsorb further potassium from the liquid in step c).
8. A method as claimed in claim 1, which includes performing step c) within a sufficiently short period of time following the production of the slurry by animals that the removed ammonia remains in solution by stripping and scrubbing the liquid to produce ammonium salts; adding the ammonium salts to the solid material before the solid material is dried;
adding lime to the liquid to extract further phosphorous from the liquid; and employing zeolite to adsorb ammonium and further potassium from the liquid following step b).
adding lime to the liquid to extract further phosphorous from the liquid; and employing zeolite to adsorb ammonium and further potassium from the liquid following step b).
9. A method as claimed in any one of claims 1 to 8, wherein steps a) and b) are completed within 12 hours following the production of the waste material by animals.
10. A method as claimed in any one of claims 1 to 9, wherein step c) is completed within 24 hours following the production of the waste material by animals.
11. A method as claimed in any one of claims 1 to 10, which includes performing steps a) through d) in a closed loop zero discharge system.
12. A method as claimed in any one of claims 1 to 11, in which step b) comprises filtering the waste material.
13. A method as claimed in any one of claims 1 to 12, which includes performing steps a) through d) without releasing any gaseous pollution to the atmosphere.
14. A method as claimed in any one of claims 1 to 13, in which step a) comprises treating the material with a substance selected from the group consisting of ferrous sulphate, polymer and lime before step b).
15. A method as claimed in any one of claims 1 to 14, which includes treating the waste material with acid to reduce the pH of the waste material to less than 6 prior to step a).
16. A method as claimed in any one of claims 1 to 14, which includes treating the waste material with acid to reduce the pH of the waste material to less than 6 prior to step b).
17. A method as claimed in any one of claims 1 to 16, which includes treating the liquid with a unease inhibitor to increase said period of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2381623A CA2381623C (en) | 2001-04-11 | 2002-04-11 | Method of waste treatment |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2,343,832 | 2001-04-11 | ||
| CA002343832A CA2343832A1 (en) | 2001-04-11 | 2001-04-11 | Waste treatment system |
| CA2381623A CA2381623C (en) | 2001-04-11 | 2002-04-11 | Method of waste treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2381623A1 true CA2381623A1 (en) | 2002-10-11 |
| CA2381623C CA2381623C (en) | 2010-03-23 |
Family
ID=25682510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2381623A Expired - Fee Related CA2381623C (en) | 2001-04-11 | 2002-04-11 | Method of waste treatment |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2381623C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010096899A1 (en) * | 2009-02-27 | 2010-09-02 | Atd Waste Systems Inc. | System and method for producing methane, an organic based fertilizer and usable water from animal waste |
| ITVR20090152A1 (en) * | 2009-09-30 | 2011-04-01 | Giovanni Bonometti | PLANT AND PROCEDURE FOR THE EXTRACTION OF AMMONIACAL NITROGEN FROM LIQUID WASTE |
| WO2012109737A1 (en) * | 2011-02-17 | 2012-08-23 | Anaergia Inc. | Organics and nutrient recovery from anaerobic digester residues |
| WO2013091094A1 (en) * | 2011-12-21 | 2013-06-27 | Anaergia Inc. | Organics and nutrient recovery from anaerobic digester residues |
| FR3062647A1 (en) * | 2017-02-07 | 2018-08-10 | Denitral Sa | METHOD AND PLANT FOR TREATING URINE |
| US10266423B2 (en) | 2014-11-07 | 2019-04-23 | Anaergia Inc. | Ammonia stripper |
| US10589486B2 (en) | 2013-10-13 | 2020-03-17 | Anaergia B.V. | Device and method for pressing organic material out of waste |
-
2002
- 2002-04-11 CA CA2381623A patent/CA2381623C/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2540556C2 (en) * | 2009-02-27 | 2015-02-10 | ЭйТиДи УЭЙСТ СИСТЕМЗ ИНК. | Device and method of obtaining methane, fertiliser based on organic substances and usable water from wastes of animal breeding |
| US8282827B2 (en) | 2009-02-27 | 2012-10-09 | Atd Waste Systems Inc. | System and method for producing methane, an organic based fertilizer and usable water from animal waste |
| US8685131B2 (en) | 2009-02-27 | 2014-04-01 | Atd Waste Systems Inc. | System and method for producing an organic based fertilizer and usable water from animal waste |
| WO2010096899A1 (en) * | 2009-02-27 | 2010-09-02 | Atd Waste Systems Inc. | System and method for producing methane, an organic based fertilizer and usable water from animal waste |
| ITVR20090152A1 (en) * | 2009-09-30 | 2011-04-01 | Giovanni Bonometti | PLANT AND PROCEDURE FOR THE EXTRACTION OF AMMONIACAL NITROGEN FROM LIQUID WASTE |
| WO2012109737A1 (en) * | 2011-02-17 | 2012-08-23 | Anaergia Inc. | Organics and nutrient recovery from anaerobic digester residues |
| US9416038B2 (en) | 2011-02-17 | 2016-08-16 | Juan Carlos Josse | Organics and nutrient recovery from anaerobic digester residues |
| US20140346108A1 (en) * | 2011-12-21 | 2014-11-27 | Anaergia Inc. | Organics and nutrient recovery from anaerobic digester residues |
| WO2013091094A1 (en) * | 2011-12-21 | 2013-06-27 | Anaergia Inc. | Organics and nutrient recovery from anaerobic digester residues |
| US9533903B2 (en) * | 2011-12-21 | 2017-01-03 | Anaergia Inc. | Organics and nutrient recovery from anaerobic digester residues |
| US10239776B2 (en) | 2011-12-21 | 2019-03-26 | Anaergia Inc. | Organics and nutrient recovery from anaerobic digester residues |
| US10589486B2 (en) | 2013-10-13 | 2020-03-17 | Anaergia B.V. | Device and method for pressing organic material out of waste |
| US11458701B2 (en) | 2013-10-13 | 2022-10-04 | Anaergia B.V. | Device and method for pressing organic material out of waste |
| US10266423B2 (en) | 2014-11-07 | 2019-04-23 | Anaergia Inc. | Ammonia stripper |
| FR3062647A1 (en) * | 2017-02-07 | 2018-08-10 | Denitral Sa | METHOD AND PLANT FOR TREATING URINE |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2381623C (en) | 2010-03-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20180411 |