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
- 239000002699 waste material Substances 0.000 title abstract 3
- 238000011084 recovery Methods 0.000 title 1
- 239000000725 suspension Substances 0.000 title 1
- 239000011651 chromium Substances 0.000 abstract 9
- 239000000243 solution Substances 0.000 abstract 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 4
- 229910052804 chromium Inorganic materials 0.000 abstract 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- BFGKITSFLPAWGI-UHFFFAOYSA-N chromium(3+) Chemical compound [Cr+3] BFGKITSFLPAWGI-UHFFFAOYSA-N 0.000 abstract 3
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 239000002244 precipitate Substances 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- 239000003643 water by type Substances 0.000 abstract 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 239000012670 alkaline solution Substances 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 229910021538 borax Inorganic materials 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- GRWVQDDAKZFPFI-UHFFFAOYSA-H chromium(III) sulfate Chemical compound [Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRWVQDDAKZFPFI-UHFFFAOYSA-H 0.000 abstract 1
- 238000007796 conventional method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 abstract 1
- 239000000347 magnesium hydroxide Substances 0.000 abstract 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 abstract 1
- 230000003472 neutralizing effect Effects 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 230000020477 pH reduction Effects 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000004328 sodium tetraborate Substances 0.000 abstract 1
- 235000010339 sodium tetraborate Nutrition 0.000 abstract 1
- 239000002910 solid waste Substances 0.000 abstract 1
- 238000003756 stirring Methods 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Separation Of Suspended Particles By Flocculating Agents (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 (11)
| 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 |
| RU2424192C1 (ru) * | 2009-12-23 | 2011-07-20 | Государственное образовательное учреждение высшего профессионального образования Курский государственный технический университет | Способ очистки сточных вод от ионов хрома (iii) |
| 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 |
| CN118206250B (zh) * | 2024-04-30 | 2026-01-13 | 陕西科技大学 | 一种废水中Cr(III)的处理方法 |
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 EP EP94906933A patent/EP0637570B1/de not_active Expired - Lifetime
- 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 WO PCT/ES1994/000013 patent/WO1994018133A1/es not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE69412728D1 (de) | 1998-10-01 |
| EP0637570A1 (de) | 1995-02-08 |
| DE69412728T2 (de) | 1999-04-29 |
| WO1994018133A1 (es) | 1994-08-18 |
| EP0637570B1 (de) | 1998-08-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |