FR2168558A1 - - Google Patents

Info

Publication number: FR2168558A1
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.): Granted

Application number

FR7301959A

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.)

Air Products and Chemicals Inc

Original Assignee

Air Products and Chemicals 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.)

1972-01-20

Filing date

1973-01-19

Publication date

1973-08-31

1973-01-19 Application filed by Air Products and Chemicals Inc filed Critical Air Products and Chemicals Inc

1973-08-31 Publication of FR2168558A1 publication Critical patent/FR2168558A1/fr

1979-01-26 Application granted granted Critical

1979-01-26 Publication of FR2168558B1 publication Critical patent/FR2168558B1/fr

Status Expired legal-status Critical Current

Links

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
- 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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/26—Activated sludge processes using pure oxygen or oxygen-rich gas
- 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)
Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)

FR7301959A 1972-01-20 1973-01-19 Expired FR2168558B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB285272A GB1424801A (en)	1972-01-20	1972-01-20	Process and system for treating waste water

Publications (2)

Publication Number	Publication Date
FR2168558A1 true FR2168558A1 (fr)	1973-08-31
FR2168558B1 FR2168558B1 (fr)	1979-01-26

Family

ID=9747184

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7301959A Expired FR2168558B1 (fr)	1972-01-20	1973-01-19

Country Status (7)

Country	Link
BE (1)	BE794121A (fr)
DE (1)	DE2301395A1 (fr)
FR (1)	FR2168558B1 (fr)
GB (1)	GB1424801A (fr)
IT (1)	IT1013023B (fr)
NL (1)	NL7300822A (fr)
ZA (1)	ZA73389B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2422601A1 (fr) *	1978-04-15	1979-11-09	Osaka Gas Co Ltd	Procede de traitement des eaux residuaires par les boues activees
EP0072495A3 (en) *	1981-08-13	1983-04-27	Linde Aktiengesellschaft	Process and installation for the biological purification of waste water

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ATE298313T1 (de) *	2003-02-07	2005-07-15	Delphin Umwelttechnik Gmbh	Verfahren zur beeinflussung des schlammvolumenindex mit dem ziel der schwimmschlammvermeidung auf kläranlagen
US7018536B2 (en) *	2003-04-23	2006-03-28	Proline Wastewater Equipment, Llc	Aerobic wastewater management system, apparatus, and method
CN106587336A (zh) *	2015-10-15	2017-04-26	圣堃环保科技（上海）有限公司	一种污水处理装置
IT202200001427A1 (it) *	2022-01-28	2023-07-28	D T A Srl	Reattore a doppia camera di trattamento

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3607735A (en) *	1969-07-02	1971-09-21	Air Reduction	System for treatment of secondary sewage

0
- BE BE794121D patent/BE794121A/fr unknown
1972
- 1972-01-20 GB GB285272A patent/GB1424801A/en not_active Expired
1973
- 1973-01-12 DE DE2301395A patent/DE2301395A1/de active Pending
- 1973-01-19 NL NL7300822A patent/NL7300822A/xx not_active Application Discontinuation
- 1973-01-19 IT IT4777373A patent/IT1013023B/it active
- 1973-01-19 FR FR7301959A patent/FR2168558B1/fr not_active Expired
- 1973-01-19 ZA ZA730389A patent/ZA73389B/xx unknown

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3607735A (en) *	1969-07-02	1971-09-21	Air Reduction	System for treatment of secondary sewage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2422601A1 (fr) *	1978-04-15	1979-11-09	Osaka Gas Co Ltd	Procede de traitement des eaux residuaires par les boues activees
EP0072495A3 (en) *	1981-08-13	1983-04-27	Linde Aktiengesellschaft	Process and installation for the biological purification of waste water

Also Published As

Publication number	Publication date
NL7300822A (fr)	1973-07-24
DE2301395A1 (de)	1973-07-26
BE794121A (fr)	1973-07-16
FR2168558B1 (fr)	1979-01-26
ZA73389B (en)	1974-03-27
IT1013023B (it)	1977-03-30
GB1424801A (en)	1976-02-11

Legal Events

Date	Code	Title	Description
1980-10-31	ST	Notification of lapse

Publication	Publication Date	Title
JPS4983058A (fr)	1974-08-09
JPS49100A (fr)	1974-01-05
FR2200475B1 (fr)	1976-07-02
FR2205681B1 (fr)	1977-05-27
JPS4889209A (fr)	1973-11-21
FR2179138B1 (fr)	1977-09-02
FR2168558B1 (fr)	1979-01-26
CS158170B2 (fr)	1974-10-15
CS156922B1 (fr)	1974-08-23
JPS4955920A (fr)	1974-05-30
JPS4927239A (fr)	1974-03-11
JPS49839U (fr)	1974-01-07
JPS5039967Y2 (fr)	1975-11-15
JPS49104165U (fr)	1974-09-06
CS161013B1 (fr)	1975-05-04
CS159448B1 (fr)	1975-01-31
CS153919B1 (fr)	1974-03-29
JPS48100991A (fr)	1973-12-19
CS154024B1 (fr)	1974-03-29
CS156987B1 (fr)	1974-08-23
JPS4956904A (fr)	1974-06-03
CS156136B1 (fr)	1974-07-24
JPS4995737A (fr)	1974-09-11
JPS4921903U (fr)	1974-02-25
CS154487B1 (fr)	1974-04-30

FR2168558A1 - - Google Patents

Info

Links

Classifications

Landscapes

Applications Claiming Priority (1)

Publications (2)

Family

ID=9747184

Family Applications (1)

Country Status (7)

Cited By (2)

Families Citing this family (4)

Citations (1)

Patent Citations (1)

Cited By (2)

Also Published As

Similar Documents

Legal Events