CH687704A5 - Procédé de traitement des eaux usees dans une station d'épuration en vue d'éliminer les nuisances olfactives. - Google Patents
Procédé de traitement des eaux usees dans une station d'épuration en vue d'éliminer les nuisances olfactives. Download PDFInfo
- Publication number
- CH687704A5 CH687704A5 CH01667/94A CH166794A CH687704A5 CH 687704 A5 CH687704 A5 CH 687704A5 CH 01667/94 A CH01667/94 A CH 01667/94A CH 166794 A CH166794 A CH 166794A CH 687704 A5 CH687704 A5 CH 687704A5
- Authority
- CH
- Switzerland
- Prior art keywords
- glyoxal
- hydrogen sulfide
- treatment plant
- view
- aqueous
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 14
- 239000002351 wastewater Substances 0.000 title description 5
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 claims description 41
- 229940015043 glyoxal Drugs 0.000 claims description 21
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 16
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 15
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 230000008719 thickening Effects 0.000 claims description 7
- 238000005352 clarification Methods 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 235000019645 odor Nutrition 0.000 description 5
- 239000010802 sludge Substances 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 3
- 239000012736 aqueous medium Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000035755 proliferation Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000003113 alkalizing effect Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 150000003463 sulfur Chemical class 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
Landscapes
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Activated Sludge Processes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Sludge (AREA)
- Removal Of Specific Substances (AREA)
- Physical Water Treatments (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9306663A FR2705957B1 (fr) | 1993-06-03 | 1993-06-03 | Procédé de traitement des eaux usées dans une station d'épuration en vue d'éliminer les nuisances olfactives. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH687704A5 true CH687704A5 (fr) | 1997-01-31 |
Family
ID=9447729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH01667/94A CH687704A5 (fr) | 1993-06-03 | 1994-05-30 | Procédé de traitement des eaux usees dans une station d'épuration en vue d'éliminer les nuisances olfactives. |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE1007195A3 (it) |
| CH (1) | CH687704A5 (it) |
| ES (1) | ES2066740B1 (it) |
| FR (1) | FR2705957B1 (it) |
| GB (1) | GB2279070B (it) |
| IT (1) | IT1265966B1 (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7255796B2 (en) * | 2004-07-08 | 2007-08-14 | General Electric Company | Method of preventing hydrogen sulfide odor generation in an aqueous medium |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5343575B2 (it) * | 1972-03-30 | 1978-11-21 | ||
| JPS6284767A (ja) * | 1985-10-11 | 1987-04-18 | キャピタル株式会社 | 消臭液 |
| US4680127A (en) * | 1985-12-13 | 1987-07-14 | Betz Laboratories, Inc. | Method of scavenging hydrogen sulfide |
| JPH02139083A (ja) * | 1988-11-18 | 1990-05-29 | Daicel Chem Ind Ltd | 水の脱臭方法 |
| DE4002132A1 (de) * | 1990-01-25 | 1991-08-01 | Hoechst Ag | Verfahren zum abfangen von schwefelwasserstoff mit glyoxal |
-
1993
- 1993-06-03 FR FR9306663A patent/FR2705957B1/fr not_active Expired - Fee Related
-
1994
- 1994-05-20 IT IT94TO000409A patent/IT1265966B1/it active IP Right Grant
- 1994-05-24 ES ES09401136A patent/ES2066740B1/es not_active Expired - Fee Related
- 1994-05-30 CH CH01667/94A patent/CH687704A5/fr not_active IP Right Cessation
- 1994-06-02 BE BE9400554A patent/BE1007195A3/fr not_active IP Right Cessation
- 1994-06-02 GB GB9411002A patent/GB2279070B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES2066740A1 (es) | 1995-03-01 |
| FR2705957B1 (fr) | 1995-08-25 |
| BE1007195A3 (fr) | 1995-04-18 |
| GB2279070A (en) | 1994-12-21 |
| GB9411002D0 (en) | 1994-07-20 |
| FR2705957A1 (fr) | 1994-12-09 |
| ITTO940409A0 (it) | 1994-05-20 |
| ES2066740B1 (es) | 1995-11-01 |
| GB2279070B (en) | 1996-09-25 |
| ITTO940409A1 (it) | 1995-11-20 |
| IT1265966B1 (it) | 1996-12-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |