IT7921438A0 - Procedimento per la conservazione di un fango attivo. - Google Patents
Procedimento per la conservazione di un fango attivo.Info
- Publication number
- IT7921438A0 IT7921438A0 IT7921438A IT2143879A IT7921438A0 IT 7921438 A0 IT7921438 A0 IT 7921438A0 IT 7921438 A IT7921438 A IT 7921438A IT 2143879 A IT2143879 A IT 2143879A IT 7921438 A0 IT7921438 A0 IT 7921438A0
- Authority
- IT
- Italy
- Prior art keywords
- preservation
- procedure
- activated mud
- mud
- activated
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
- 238000004321 preservation Methods 0.000 title 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)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH353078A CH627147A5 (it) | 1978-04-03 | 1978-04-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7921438A0 true IT7921438A0 (it) | 1979-03-30 |
IT1113221B IT1113221B (it) | 1986-01-20 |
Family
ID=4257984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2143879A IT1113221B (it) | 1978-04-03 | 1979-03-30 | Procedimento per la conservazione di un fango attivo |
Country Status (9)
Country | Link |
---|---|
US (1) | US4231862A (it) |
JP (1) | JPS54142868A (it) |
AT (1) | AT355519B (it) |
CH (1) | CH627147A5 (it) |
DE (1) | DE2815199C3 (it) |
ES (1) | ES478463A1 (it) |
FR (1) | FR2421848A1 (it) |
GB (1) | GB2017672B (it) |
IT (1) | IT1113221B (it) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114426327A (zh) * | 2020-10-10 | 2022-05-03 | 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 |
Families Citing this family (7)
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 |
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
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114426327A (zh) * | 2020-10-10 | 2022-05-03 | 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 |
Also Published As
Publication number | Publication date |
---|---|
JPS6315039B2 (it) | 1988-04-02 |
DE2815199C3 (de) | 1980-09-25 |
ATA247978A (de) | 1979-07-15 |
FR2421848B1 (it) | 1984-01-27 |
ES478463A1 (es) | 1979-05-16 |
GB2017672A (en) | 1979-10-10 |
GB2017672B (en) | 1982-09-02 |
JPS54142868A (en) | 1979-11-07 |
IT1113221B (it) | 1986-01-20 |
DE2815199A1 (de) | 1979-10-04 |
CH627147A5 (it) | 1981-12-31 |
US4231862A (en) | 1980-11-04 |
DE2815199B2 (de) | 1980-01-31 |
AT355519B (de) | 1980-03-10 |
FR2421848A1 (fr) | 1979-11-02 |
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