CH627147A5 - - Google Patents
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- Publication number
- CH627147A5 CH627147A5 CH353078A CH353078A CH627147A5 CH 627147 A5 CH627147 A5 CH 627147A5 CH 353078 A CH353078 A CH 353078A CH 353078 A CH353078 A CH 353078A CH 627147 A5 CH627147 A5 CH 627147A5
- Authority
- CH
- Switzerland
- Prior art keywords
- activated sludge
- gas
- oxygen
- carbon dioxide
- wastewater treatment
- Prior art date
Links
- 239000010802 sludge Substances 0.000 claims description 32
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 25
- 239000007789 gas Substances 0.000 claims description 22
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 239000001569 carbon dioxide Substances 0.000 claims description 14
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 239000001301 oxygen Substances 0.000 claims description 13
- 238000004321 preservation Methods 0.000 claims description 12
- 238000004065 wastewater treatment Methods 0.000 claims description 8
- 238000010926 purge Methods 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 229910052756 noble gas Inorganic materials 0.000 claims description 2
- 150000002835 noble gases Chemical class 0.000 claims 1
- 239000000758 substrate Substances 0.000 description 12
- 239000002028 Biomass Substances 0.000 description 8
- 235000015097 nutrients Nutrition 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000004060 metabolic process Effects 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 238000003958 fumigation Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000001888 Peptone Substances 0.000 description 1
- 108010080698 Peptones Proteins 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
- 229910000397 disodium phosphate Inorganic materials 0.000 description 1
- 235000019800 disodium phosphate Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000004066 metabolic change Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 235000019319 peptone Nutrition 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 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
- C02F3/1221—Particular type of activated sludge processes comprising treatment of the recirculated sludge
-
- 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
-
- 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)
- Water Supply & Treatment (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Activated Sludge Processes (AREA)
- Treatment Of Sludge (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH353078A CH627147A5 (ko) | 1978-04-03 | 1978-04-03 | |
| DE2815199A DE2815199C3 (de) | 1978-04-03 | 1978-04-07 | Verfahren zur Konservierung eines aktiven Belebtschlammes |
| AT247978A AT355519B (de) | 1978-04-03 | 1978-04-07 | Verfahren zur konservierung eines aktiven belebtschlammes fuer die wiederverwendung |
| ES478463A ES478463A1 (es) | 1978-04-03 | 1979-03-09 | Procedimiento para la conservacion de un lodo vivificador activo. |
| US06/022,691 US4231862A (en) | 1978-04-03 | 1979-03-22 | Method for the preservation of an activated sludge |
| FR7907362A FR2421848A1 (fr) | 1978-04-03 | 1979-03-23 | Procede de conservation d'une boue activee |
| IT2143879A IT1113221B (it) | 1978-04-03 | 1979-03-30 | Procedimento per la conservazione di un fango attivo |
| GB7911526A GB2017672B (en) | 1978-04-03 | 1979-04-03 | Method for the preservation of an activated sludge |
| JP4024179A JPS54142868A (en) | 1978-04-03 | 1979-04-03 | Conservation maintenance method of invigorated*activated sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH353078A CH627147A5 (ko) | 1978-04-03 | 1978-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH627147A5 true CH627147A5 (ko) | 1981-12-31 |
Family
ID=4257984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH353078A CH627147A5 (ko) | 1978-04-03 | 1978-04-03 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4231862A (ko) |
| JP (1) | JPS54142868A (ko) |
| AT (1) | AT355519B (ko) |
| CH (1) | CH627147A5 (ko) |
| DE (1) | DE2815199C3 (ko) |
| ES (1) | ES478463A1 (ko) |
| FR (1) | FR2421848A1 (ko) |
| GB (1) | GB2017672B (ko) |
| IT (1) | IT1113221B (ko) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4372856A (en) * | 1981-03-30 | 1983-02-08 | Morrison Jon R | Process and system for anaerobic treatment of waste |
| DE3202941A1 (de) * | 1982-01-29 | 1983-08-11 | Messer Griesheim Gmbh, 6000 Frankfurt | Verfahren zur regeneration der biologischen stufen von klaeranlagen |
| DE3402688A1 (de) * | 1984-01-26 | 1985-08-01 | Passavant-Werke AG & Co KG, 6209 Aarbergen | Biologisches abwasserreinigungsverfahren mit nitrifikationszone |
| FR2716535B1 (fr) * | 1994-02-23 | 1996-04-12 | Cogema | Dispositif d'analyses automatisé, à cuves fixes. |
| GB9425110D0 (en) * | 1994-12-13 | 1995-02-08 | Boc Group Plc | Sewage respiration inhibition |
| FR2826357B1 (fr) * | 2001-06-22 | 2003-12-12 | Air Liquide | Procede d'hydrolyse de boues en exces issues d'une etape de traitement biologique |
| FI123426B (fi) * | 2007-12-07 | 2013-04-30 | Kwh Pipe Ab Oy | Menetelmä jätevedenpuhdistamon aktiivilietteen aktiiviseksi pitämiseksi |
| CN114426327B (zh) * | 2020-10-10 | 2023-05-05 | 中国石油化工股份有限公司 | 一种停工检修后污水处理场生化单元快速启动的方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3623975A (en) * | 1969-03-14 | 1971-11-30 | Envirotech Syst | Plural purpose sludge incinerating and treating apparatus and method |
| US3737382A (en) * | 1971-09-27 | 1973-06-05 | R Fletcher | Refrigerated surge tank for use with aerobic sewage digestion system |
| US3960717A (en) * | 1972-01-20 | 1976-06-01 | Air Products And Chemicals, Inc. | Process for treating waste water |
| US4130481A (en) * | 1977-02-14 | 1978-12-19 | Fmc Corporation | Maintaining optimum settling rate of activated sludge |
-
1978
- 1978-04-03 CH CH353078A patent/CH627147A5/de not_active IP Right Cessation
- 1978-04-07 DE DE2815199A patent/DE2815199C3/de not_active Expired
- 1978-04-07 AT AT247978A patent/AT355519B/de not_active IP Right Cessation
-
1979
- 1979-03-09 ES ES478463A patent/ES478463A1/es not_active Expired
- 1979-03-22 US US06/022,691 patent/US4231862A/en not_active Expired - Lifetime
- 1979-03-23 FR FR7907362A patent/FR2421848A1/fr active Granted
- 1979-03-30 IT IT2143879A patent/IT1113221B/it active
- 1979-04-03 GB GB7911526A patent/GB2017672B/en not_active Expired
- 1979-04-03 JP JP4024179A patent/JPS54142868A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| ATA247978A (de) | 1979-07-15 |
| DE2815199B2 (de) | 1980-01-31 |
| JPS6315039B2 (ko) | 1988-04-02 |
| US4231862A (en) | 1980-11-04 |
| GB2017672A (en) | 1979-10-10 |
| JPS54142868A (en) | 1979-11-07 |
| DE2815199C3 (de) | 1980-09-25 |
| GB2017672B (en) | 1982-09-02 |
| AT355519B (de) | 1980-03-10 |
| IT7921438A0 (it) | 1979-03-30 |
| FR2421848B1 (ko) | 1984-01-27 |
| FR2421848A1 (fr) | 1979-11-02 |
| IT1113221B (it) | 1986-01-20 |
| DE2815199A1 (de) | 1979-10-04 |
| ES478463A1 (es) | 1979-05-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |