FR2194658B1 - - Google Patents

Info

Publication number: FR2194658B1
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

FR7328334A

Other languages

Other versions

FR2194658A1 (en

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.)

South African Inventions Development Corp

Original Assignee

South African Inventions Development Corp

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.)

1972-08-04

Filing date

1973-08-02

Publication date

1976-09-17

1973-08-02 Application filed by South African Inventions Development Corp filed Critical South African Inventions Development Corp

1974-03-01 Publication of FR2194658A1 publication Critical patent/FR2194658A1/fr

1976-09-17 Application granted granted Critical

1976-09-17 Publication of FR2194658B1 publication Critical patent/FR2194658B1/fr

Status Expired 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
- 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
- C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
- 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
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1257—Oxidation ditches
- 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)
Chemical & Material Sciences (AREA)
Water Supply & Treatment (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Hydrology & Water Resources (AREA)
Microbiology (AREA)
Organic Chemistry (AREA)
Health & Medical Sciences (AREA)
Molecular Biology (AREA)
Analytical Chemistry (AREA)
Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Activated Sludge Processes (AREA)

FR7328334A 1972-08-04 1973-08-02 Expired FR2194658B1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
ZA725371A ZA725371B (en)	1972-08-04	1972-08-04	Improvements in and relating to waste water treatment

Publications (2)

Publication Number	Publication Date
FR2194658A1 FR2194658A1 (en)	1974-03-01
FR2194658B1 true FR2194658B1 (en)	1976-09-17

Family

ID=25565226

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7328334A Expired FR2194658B1 (en)	1972-08-04	1973-08-02

Country Status (6)

Country	Link
JP (1)	JPS4964259A (en)
AU (1)	AU473753B2 (en)
DE (1)	DE2339557B2 (en)
FR (1)	FR2194658B1 (en)
GB (1)	GB1432667A (en)
ZA (1)	ZA725371B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3994802A (en) *	1975-04-16	1976-11-30	Air Products And Chemicals, Inc.	Removal of BOD and nitrogenous pollutants from wastewaters
JPS51122945A (en) *	1975-04-18	1976-10-27	Ebara Infilco Co Ltd	Process for treating waste water
JPS51122946A (en) *	1975-04-18	1976-10-27	Ebara Infilco Co Ltd	Process for treating sewages
US4056465A (en) *	1976-04-12	1977-11-01	Air Products And Chemicals, Inc.	Production of non-bulking activated sludge
FR2364184A1 (en) *	1976-09-13	1978-04-07	Vysoka Skola Chem Tech	Purifying waste water of high organic content - first acid anaerobic, then aerobic, then anaerobic methane fermentations
JPS5335256A (en) *	1976-09-14	1978-04-01	Hitachi Kiden Kogyo Ltd	Waste water treating method
JPS5392551A (en) *	1977-01-24	1978-08-14	Ataka Kensetsu Kougiyou Kk	Method of treating waste water
JPS53125359A (en) *	1977-04-06	1978-11-01	Niigata Eng Co Ltd	Method of removing nitrogen in waste water by non woven web plate
JPS54162846A (en) *	1978-06-15	1979-12-24	Bera Arekusuiibuna Guberunator	Biological sewage disposal method
DE2908134C2 (en) *	1979-03-02	1983-10-20	Böhnke, Botho, Prof. Dr.-Ing., 5100 Aachen	Plant for the purification of wastewater
JPS56161892A (en) *	1980-05-17	1981-12-12	Hiroshi Kishi	Unstationary active sludge process
SE456500B (en) *	1985-09-16	1988-10-10	Boliden Ab	PROCEDURE FOR CLEANING THE WATER FOR ELIMINATION OF NITROGEN
DE102008005412B4 (en) *	2008-01-21	2012-08-23	Martin Horn	Deacidification of sulphurous open-pit waters
CN115010260A (en) *	2022-08-09	2022-09-06	广东北控环保装备有限公司	Water treatment equipment

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2049488A5 (en) *	1969-06-11	1971-03-26	South African Inventions	Division of agitated sewage between settling and aeration - zones

1972
- 1972-08-04 ZA ZA725371A patent/ZA725371B/en unknown
1973
- 1973-07-04 AU AU57709/73A patent/AU473753B2/en not_active Expired
- 1973-07-16 GB GB3381773A patent/GB1432667A/en not_active Expired
- 1973-08-02 DE DE19732339557 patent/DE2339557B2/en active Pending
- 1973-08-02 FR FR7328334A patent/FR2194658B1/fr not_active Expired
- 1973-08-04 JP JP8726073A patent/JPS4964259A/ja active Pending

Also Published As

Publication number	Publication date
ZA725371B (en)	1974-03-27
GB1432667A (en)	1976-04-22
DE2339557A1 (en)	1974-02-21
DE2339557B2 (en)	1976-09-30
AU473753B2 (en)	1976-07-01
AU5770973A (en)	1975-01-09
JPS4964259A (en)	1974-06-21
FR2194658A1 (en)	1974-03-01

Publication	Publication Date	Title
FR2182844B1 (en)	1976-09-10
JPS4986269U (en)	1974-07-25
CH573133A5 (en)	1976-02-27
BG18920A1 (en)	1975-04-30
BG18930A1 (en)	1975-04-30
CH1646872A4 (en)	1975-10-15
CH1663772A4 (en)	1974-12-13
CH555446A (en)	1974-10-31
CH555929A (en)	1974-11-15
CH559395A5 (en)	1975-02-28
CH559442A5 (en)	1975-02-28
CH560163A5 (en)	1975-03-27
CH560335A5 (en)	1975-03-27
CH560385A5 (en)	1975-03-27
CH560495A5 (en)	1975-03-27
CH560604A5 (en)	1975-04-15
CH560678A5 (en)	1975-04-15
CH560795A (en)	1975-04-15
CH560966A5 (en)	1975-04-15
CH560972A5 (en)	1975-04-15
CH561008A5 (en)	1975-04-30
CH561356A5 (en)	1975-04-30
CH561601A5 (en)	1975-05-15
CH561602A5 (en)	1975-05-15
CH561935A5 (en)	1975-05-15