CH631687A5 - Process for biological effluent treatment and equipment for carrying out the process - Google Patents
Process for biological effluent treatment and equipment for carrying out the process Download PDFInfo
- Publication number
- CH631687A5 CH631687A5 CH1380477A CH1380477A CH631687A5 CH 631687 A5 CH631687 A5 CH 631687A5 CH 1380477 A CH1380477 A CH 1380477A CH 1380477 A CH1380477 A CH 1380477A CH 631687 A5 CH631687 A5 CH 631687A5
- Authority
- CH
- Switzerland
- Prior art keywords
- sludge
- activated sludge
- expanded
- waste water
- separator
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 36
- 230000008569 process Effects 0.000 title claims description 14
- 239000010802 sludge Substances 0.000 claims description 145
- 239000002351 wastewater Substances 0.000 claims description 31
- 238000007599 discharging Methods 0.000 claims description 17
- 230000015572 biosynthetic process Effects 0.000 claims description 14
- 244000005700 microbiome Species 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000004065 wastewater treatment Methods 0.000 claims description 9
- 238000005119 centrifugation Methods 0.000 claims description 6
- 241001478896 Sphaerotilus natans Species 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000001133 acceleration Effects 0.000 claims description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims 1
- 239000011368 organic material Substances 0.000 claims 1
- 238000005273 aeration Methods 0.000 description 16
- 239000010865 sewage Substances 0.000 description 13
- 238000000926 separation method Methods 0.000 description 7
- 239000007791 liquid phase Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000002562 thickening agent Substances 0.000 description 5
- 230000001580 bacterial effect Effects 0.000 description 4
- 230000004071 biological effect Effects 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 230000002906 microbiologic effect Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 241000233866 Fungi Species 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 210000004400 mucous membrane Anatomy 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 229920000867 polyelectrolyte Polymers 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000009924 canning Methods 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- -1 low alkanols Chemical class 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000009343 monoculture Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000035899 viability 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/121—Multistep treatment
-
- 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
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
- C02F1/385—Treatment of water, waste water, or sewage by centrifugal separation by centrifuging suspensions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- 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
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Microbiology (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- Activated Sludge Processes (AREA)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2652229A DE2652229B2 (de) | 1976-11-16 | 1976-11-16 | Verfahren zur biologischen Abwasserreinigung und Anlage zu seiner Durchführung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH631687A5 true CH631687A5 (en) | 1982-08-31 |
Family
ID=5993309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1380477A CH631687A5 (en) | 1976-11-16 | 1977-11-11 | Process for biological effluent treatment and equipment for carrying out the process |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5362361A (xx) |
| AT (1) | AT353713B (xx) |
| BE (1) | BE860849A (xx) |
| CH (1) | CH631687A5 (xx) |
| DD (1) | DD132192A5 (xx) |
| DE (1) | DE2652229B2 (xx) |
| DK (1) | DK505477A (xx) |
| FR (1) | FR2370699A1 (xx) |
| GB (2) | GB1589552A (xx) |
| IT (1) | IT1084783B (xx) |
| NL (1) | NL7710116A (xx) |
| SE (1) | SE7711881L (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2757742B2 (de) * | 1977-12-23 | 1979-10-18 | Linde Ag, 6200 Wiesbaden | Verfahren zur biologischen Reinigung von Abwasser |
| HU186132B (en) * | 1982-10-06 | 1985-06-28 | Janos Fenyoevari | Terrace-coffered sewege cleaner and process for cleaning of sewers |
| JPS6078696A (ja) * | 1983-10-04 | 1985-05-04 | Shinryo Air Conditioning Co Ltd | 曝気槽内混合液のｓｖｉ改良方法 |
| FR2619372B3 (fr) * | 1987-08-10 | 1990-01-19 | Boutaud Alfred | Procede et dispositif d'application, destine au traitement biochimique d'effluents organiques par digestion en milieu conditionne active |
| DE4138667A1 (de) * | 1991-11-25 | 1993-05-27 | Sued Chemie Ag | Verfahren zum entlasten von nachklaerbecken |
| DE10155161A1 (de) * | 2001-11-12 | 2003-05-22 | Emu Unterwasserpumpen Gmbh | Verfahren und Vorrichtung zur Behandlung von Abwasser, Klärschlamm und organischen Substraten |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2227851A (en) * | 1937-08-02 | 1941-01-07 | Laval Separator Co De | Sewage disposal |
| DE2447501C3 (de) * | 1974-10-04 | 1981-02-19 | Werner Dr.-Ing. 7531 Kieselbronn Weber | Verfahren und Vorrichtung zur Abwasserreinigung |
-
1976
- 1976-11-16 DE DE2652229A patent/DE2652229B2/de not_active Ceased
-
1977
- 1977-09-08 AT AT644877A patent/AT353713B/de not_active IP Right Cessation
- 1977-09-15 NL NL7710116A patent/NL7710116A/xx not_active Application Discontinuation
- 1977-09-29 IT IT2812077A patent/IT1084783B/it active
- 1977-10-21 SE SE7711881A patent/SE7711881L/xx not_active Application Discontinuation
- 1977-11-11 CH CH1380477A patent/CH631687A5/de not_active IP Right Cessation
- 1977-11-14 DD DD20207577A patent/DD132192A5/xx unknown
- 1977-11-14 GB GB7864/80A patent/GB1589552A/en not_active Expired
- 1977-11-14 GB GB47289/77A patent/GB1589551A/en not_active Expired
- 1977-11-15 DK DK505477A patent/DK505477A/da not_active Application Discontinuation
- 1977-11-15 JP JP13721377A patent/JPS5362361A/ja active Pending
- 1977-11-16 BE BE182633A patent/BE860849A/xx not_active IP Right Cessation
- 1977-11-16 FR FR7734471A patent/FR2370699A1/fr active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5362361A (en) | 1978-06-03 |
| GB1589551A (en) | 1981-05-13 |
| DE2652229B2 (de) | 1979-03-22 |
| DE2652229A1 (de) | 1978-05-24 |
| FR2370699A1 (fr) | 1978-06-09 |
| DD132192A5 (de) | 1978-09-06 |
| BE860849A (fr) | 1978-05-16 |
| GB1589552A (en) | 1981-05-13 |
| AT353713B (de) | 1979-11-26 |
| DK505477A (da) | 1978-05-17 |
| IT1084783B (it) | 1985-05-28 |
| SE7711881L (sv) | 1978-05-17 |
| ATA644877A (de) | 1979-04-15 |
| NL7710116A (nl) | 1978-05-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |