ATE170163T1 - Behandlung von gerbereiabwässern und suspensionen zum entfernen und wiedergewinnen von chrom - Google Patents
Behandlung von gerbereiabwässern und suspensionen zum entfernen und wiedergewinnen von chromInfo
- Publication number
- ATE170163T1 ATE170163T1 AT94906933T AT94906933T ATE170163T1 AT E170163 T1 ATE170163 T1 AT E170163T1 AT 94906933 T AT94906933 T AT 94906933T AT 94906933 T AT94906933 T AT 94906933T AT E170163 T1 ATE170163 T1 AT E170163T1
- Authority
- AT
- Austria
- Prior art keywords
- chromium
- solution
- perborate
- treatment
- iii
- Prior art date
Links
Classifications
-
- 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
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
-
- 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
- C02F2103/22—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof
- C02F2103/24—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof from tanneries
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9300270A ES2063682B1 (es) | 1993-02-11 | 1993-02-11 | Procedimiento para la eliminacion de cromo de las aguas residuales de tenerias. |
ES9302356A ES2094083B1 (es) | 1993-11-11 | 1993-11-11 | Procedimiento para la eliminacion de cromo de residuos de tenerias. |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE170163T1 true ATE170163T1 (de) | 1998-09-15 |
Family
ID=26154696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT94906933T ATE170163T1 (de) | 1993-02-11 | 1994-02-11 | Behandlung von gerbereiabwässern und suspensionen zum entfernen und wiedergewinnen von chrom |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0637570B1 (de) |
AT (1) | ATE170163T1 (de) |
DE (1) | DE69412728T2 (de) |
WO (1) | WO1994018133A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101549876B (zh) * | 2009-05-15 | 2011-05-25 | 东北大学 | 利用富硼渣生产硼酸联产氢氧化镁和硫酸钙的方法 |
US9776887B2 (en) | 2013-12-04 | 2017-10-03 | Zhuangdou Zhang | Tannery process with effluent recycling |
US10260115B2 (en) | 2014-03-20 | 2019-04-16 | Zhuangdou Zhang | Leather production using waste liquids |
CN104787960B (zh) * | 2014-12-10 | 2017-03-15 | 重庆隆发皮革制品有限责任公司 | 一种皮革废水的处理工艺与处理系统 |
CN105779667A (zh) * | 2014-12-22 | 2016-07-20 | 张壮斗 | 一种减少三废排放的制革方法 |
CN105236639A (zh) * | 2015-10-30 | 2016-01-13 | 太仓东能环保设备有限公司 | 一种含铬废水处理工艺 |
CN113955838B (zh) * | 2021-09-23 | 2023-05-26 | 北京化工大学 | 一种电镀废渣和含铬重金属离子废液共处理的方法 |
CN113772730B (zh) * | 2021-10-08 | 2023-03-10 | 上海良仁化工有限公司 | 含铬污泥制备硫酸铬钾的方法 |
CN115385483A (zh) * | 2022-09-16 | 2022-11-25 | 嘉兴学院 | 一种毛皮加工废水环保处理方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2118559B (en) * | 1982-02-02 | 1985-07-31 | Giuliano Guardini | Process for extracting protein and chromium from chrome tanned hide wastes |
DE3815948A1 (de) * | 1988-05-10 | 1989-11-23 | Bayer Ag | Verfahren zur chromausfaellung aus gerbereiabwaessern |
-
1994
- 1994-02-11 DE DE69412728T patent/DE69412728T2/de not_active Expired - Fee Related
- 1994-02-11 AT AT94906933T patent/ATE170163T1/de not_active IP Right Cessation
- 1994-02-11 EP EP94906933A patent/EP0637570B1/de not_active Expired - Lifetime
- 1994-02-11 WO PCT/ES1994/000013 patent/WO1994018133A1/es active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
WO1994018133A1 (es) | 1994-08-18 |
EP0637570B1 (de) | 1998-08-26 |
EP0637570A1 (de) | 1995-02-08 |
DE69412728T2 (de) | 1999-04-29 |
DE69412728D1 (de) | 1998-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |