FR2416199B1 - - Google Patents

Info

Publication number: FR2416199B1
Authority: FR; France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

FR7902456A

Other languages

Other versions

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

TDK Micronas GmbH

ITT Inc

Original Assignee

Deutsche ITT Industries GmbH

ITT Industries Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1978-02-06

Filing date

1979-01-31

Publication date

1984-10-26

1979-01-31 Application filed by Deutsche ITT Industries GmbH, ITT Industries Inc filed Critical Deutsche ITT Industries GmbH

1979-08-31 Publication of FR2416199A1 publication Critical patent/FR2416199A1/en

1984-10-26 Application granted granted Critical

1984-10-26 Publication of FR2416199B1 publication Critical patent/FR2416199B1/fr

Status Granted legal-status Critical Current

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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
- 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
- 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)
Hydrology & Water Resources (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Microbiology (AREA)
Biodiversity & Conservation Biology (AREA)
Activated Sludge Processes (AREA)
Physical Water Treatments (AREA)
Biological Treatment Of Waste Water (AREA)
Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

FR7902456A 1978-02-06 1979-01-31 PROCESS FOR THE SECONDARY TREATMENT OF WASTEWATER Granted FR2416199A1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US87532778A	1978-02-06	1978-02-06

Publications (2)

Publication Number	Publication Date
FR2416199A1 FR2416199A1 (en)	1979-08-31
FR2416199B1 true FR2416199B1 (en)	1984-10-26

Family

ID=25365605

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7902456A Granted FR2416199A1 (en)	1978-02-06	1979-01-31	PROCESS FOR THE SECONDARY TREATMENT OF WASTEWATER

Country Status (7)

Country	Link
JP (1)	JPS54113962A (en)
CA (1)	CA1117669A (en)
DE (1)	DE2903548A1 (en)
FI (1)	FI790165A (en)
FR (1)	FR2416199A1 (en)
GB (1)	GB2013646B (en)
SE (1)	SE7900866L (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3028336C2 (en) *	1980-07-25	1985-08-01	Wilhelm Roediger Gmbh + Co, 6450 Hanau	Process for the biological purification of waste water
US4452699A (en) *	1981-05-07	1984-06-05	Shinryo Air Conditioning Co., Ltd.	Method of improving the SVI of mixed liquor in aeration tank
SE443930B (en) *	1981-05-08	1986-03-17	Flaekt Ab	DEVICE FOR PURIFICATION OF POLLUTANEATED AIR FROM A SPRAYBOX WITH A BIOLOGICAL DEGRADATION
NL8204829A (en) *	1982-12-14	1984-07-02	Schneider & Schuurman	METHOD AND APPARATUS FOR PURIFICATION OF WASTE WATER.
JPS6078696A (en) *	1983-10-04	1985-05-04	Shinryo Air Conditioning Co Ltd	Svi improvement of liquid mixture in aeration tank
GB8607854D0 (en) *	1986-03-27	1986-04-30	Cjb Developments Ltd	Gas flotation system
FR2700323B1 (en) *	1993-01-14	1995-03-31	Cee Qua Bio	Method of biological water treatment and device implementing the method.
DE19848346C2 (en) *	1998-10-21	2001-09-13	Mueller Blanke Norbert	Flotation process for the retention of biomass-forming microorganisms suspended in water in a basin
WO2010058434A1 (en) *	2008-11-24	2010-05-27	Hawk Partners Sas	Vertical rector digestor for biological sludges
CN116969604A (en) *	2018-04-20	2023-10-31	先进创新者股份有限公司	System and method for treating wastewater and providing class A sludge
CN110468033B (en)	2019-08-26	2020-12-08	同济大学	Anaerobic digestion device for strengthening methane production by utilizing self-sustaining air flotation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1478749A (en) *	1965-04-29	1967-04-28	Purac Ab	Process for purifying water by means of a plurality of treatments applied in series
DE2111442A1 (en) *	1970-06-29	1972-01-05	Aquanox Inc	Effluent treatment - by high pressure aerobic decomposition
FR2116662A5 (en) *	1970-12-02	1972-07-21	Degremont
US3864246A (en) *	1973-01-24	1975-02-04	Air Prod & Chem	Non-bulking activated sludge process
GB1527731A (en) *	1975-04-07	1978-10-11	Ici Ltd	Sewage treatment-flotation apparatus
JPS51139173A (en) *	1975-05-27	1976-12-01	Nitto Chem Ind Co Ltd	Activated sludge treatment

1979
- 1979-01-18 FI FI790165A patent/FI790165A/en unknown
- 1979-01-30 GB GB7903226A patent/GB2013646B/en not_active Expired
- 1979-01-31 FR FR7902456A patent/FR2416199A1/en active Granted
- 1979-01-31 DE DE19792903548 patent/DE2903548A1/en not_active Withdrawn
- 1979-02-01 SE SE7900866A patent/SE7900866L/en not_active Application Discontinuation
- 1979-02-06 JP JP1274379A patent/JPS54113962A/en active Pending
- 1979-02-06 CA CA000320880A patent/CA1117669A/en not_active Expired

Also Published As

Publication number	Publication date
FI790165A (en)	1979-08-07
CA1117669A (en)	1982-02-02
GB2013646A (en)	1979-08-15
FR2416199A1 (en)	1979-08-31
JPS54113962A (en)	1979-09-05
DE2903548A1 (en)	1979-08-09
SE7900866L (en)	1979-08-07
GB2013646B (en)	1982-07-21

Publication	Publication Date	Title
FR2414114B1 (en)	1982-09-10
FR2416970B1 (en)	1985-03-22
FR2414008B1 (en)	1984-02-17
FR2415626B1 (en)	1983-08-12
FR2415885B1 (en)	1981-06-12
FR2416199B1 (en)	1984-10-26
FR2416323B1 (en)	1981-04-30
FR2414118B1 (en)	1983-03-04
FR2414658B1 (en)	1984-03-23
FR2416843B1 (en)	1984-02-24
FR2415618B1 (en)	1983-09-09
FR2398831B1 (en)	1983-02-18
FR2415832B3 (en)	1980-04-18
AU3898778A (en)	1978-09-28
FR2414634B3 (en)	1981-10-02
AU3803078A (en)	1978-09-04
DK142911C (en)	1981-10-05
FR2414935B1 (en)	1982-04-09
FR2414463B1 (en)	1980-05-16
AU73950S (en)	1978-04-07
AU3892778A (en)	1978-10-13
BG25871A1 (en)	1979-01-12
BG26013A1 (en)	1979-02-15
BG25818A1 (en)	1979-01-12
BG25835A1 (en)	1979-01-12

Legal Events

Date	Code	Title	Description
1995-11-24	ST	Notification of lapse