CA2590822A1 - Procede de deshydratation des boues - Google Patents
Procede de deshydratation des boues Download PDFInfo
- Publication number
- CA2590822A1 CA2590822A1 CA002590822A CA2590822A CA2590822A1 CA 2590822 A1 CA2590822 A1 CA 2590822A1 CA 002590822 A CA002590822 A CA 002590822A CA 2590822 A CA2590822 A CA 2590822A CA 2590822 A1 CA2590822 A1 CA 2590822A1
- Authority
- CA
- Canada
- Prior art keywords
- sludge
- polyacrylamide
- waste
- hydrogen peroxide
- urea hydrogen
- 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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
-
- 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
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
- C02F11/148—Combined use of inorganic and organic substances, being added in the same treatment step
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- 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
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
- C02F2103/28—Nature 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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Paper (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2590822A CA2590822C (fr) | 2007-04-17 | 2007-04-17 | Procede de deshydratation des boues |
CA2614763A CA2614763C (fr) | 2007-04-17 | 2007-04-17 | Procede de deshydratation des boues de pate chimico-thermomecanique blanchie/pate chimico-thermomecanique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2590822A CA2590822C (fr) | 2007-04-17 | 2007-04-17 | Procede de deshydratation des boues |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2614763A Division CA2614763C (fr) | 2007-04-17 | 2007-04-17 | Procede de deshydratation des boues de pate chimico-thermomecanique blanchie/pate chimico-thermomecanique |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2590822A1 true CA2590822A1 (fr) | 2008-10-17 |
CA2590822C CA2590822C (fr) | 2010-06-22 |
Family
ID=39855389
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2590822A Active CA2590822C (fr) | 2007-04-17 | 2007-04-17 | Procede de deshydratation des boues |
CA2614763A Active CA2614763C (fr) | 2007-04-17 | 2007-04-17 | Procede de deshydratation des boues de pate chimico-thermomecanique blanchie/pate chimico-thermomecanique |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2614763A Active CA2614763C (fr) | 2007-04-17 | 2007-04-17 | Procede de deshydratation des boues de pate chimico-thermomecanique blanchie/pate chimico-thermomecanique |
Country Status (1)
Country | Link |
---|---|
CA (2) | CA2590822C (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104671636A (zh) * | 2015-01-30 | 2015-06-03 | 深圳市水务(集团)有限公司 | 一种污泥深度脱水调理药剂和应用方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103553293B (zh) * | 2013-11-07 | 2014-12-24 | 上海环保工程成套有限公司 | 一种利用填埋场稳定化污泥焚烧残渣固化新鲜污泥的深度脱水方法 |
CN109912174B (zh) * | 2017-12-13 | 2022-01-04 | 中国石油化工股份有限公司 | 一种剩余活性污泥破壁深度脱水处理方法 |
-
2007
- 2007-04-17 CA CA2590822A patent/CA2590822C/fr active Active
- 2007-04-17 CA CA2614763A patent/CA2614763C/fr active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104671636A (zh) * | 2015-01-30 | 2015-06-03 | 深圳市水务(集团)有限公司 | 一种污泥深度脱水调理药剂和应用方法 |
Also Published As
Publication number | Publication date |
---|---|
CA2614763C (fr) | 2010-06-22 |
CA2614763A1 (fr) | 2008-10-17 |
CA2590822C (fr) | 2010-06-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request |