NL171568B - METHOD FOR BIOLOGICAL REMOVAL OF PHOSPHATE FROM WASTE WATER. - Google Patents

METHOD FOR BIOLOGICAL REMOVAL OF PHOSPHATE FROM WASTE WATER.

Info

Publication number: NL171568B
Authority: NL; Netherlands
Prior art keywords: phosphate; waste water; biological removal; biological; removal
Prior art date: 1974-06-21

Application number

NLAANVRAGE7507418,A

Other languages

Dutch (nl)

Other versions

NL7507418A (en

NL171568C (en

Original Assignee

Biospherics 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.)

1974-06-21

Filing date

1975-06-20

Publication date

1982-11-16

1975-06-20 Application filed by Biospherics Inc filed Critical Biospherics Inc

1975-12-23 Publication of NL7507418A publication Critical patent/NL7507418A/en

1982-11-16 Publication of NL171568B publication Critical patent/NL171568B/en

1983-04-18 Application granted granted Critical

1983-04-18 Publication of NL171568C publication Critical patent/NL171568C/en

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
- C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
- 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)
Chemical & Material Sciences (AREA)
Water Supply & Treatment (AREA)
Organic Chemistry (AREA)
Microbiology (AREA)
Hydrology & Water Resources (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Analytical Chemistry (AREA)
Biodiversity & Conservation Biology (AREA)
Removal Of Specific Substances (AREA)
Activated Sludge Processes (AREA)
Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Separation Of Suspended Particles By Flocculating Agents (AREA)
Treatment Of Sludge (AREA)
Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Micro-Organisms Or Cultivation Processes Thereof (AREA)

NLAANVRAGE7507418,A 1974-06-21 1975-06-20 METHOD FOR BIOLOGICAL REMOVAL OF PHOSPHATE FROM WASTE WATER. NL171568C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US48179374A	1974-06-21	1974-06-21
US58195175A	1975-06-04	1975-06-04

Publications (3)

Publication Number	Publication Date
NL7507418A NL7507418A (en)	1975-12-23
NL171568B true NL171568B (en)	1982-11-16
NL171568C NL171568C (en)	1983-04-18

Family

ID=27047049

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NLAANVRAGE7507418,A NL171568C (en)	1974-06-21	1975-06-20	METHOD FOR BIOLOGICAL REMOVAL OF PHOSPHATE FROM WASTE WATER.

Country Status (19)

Country	Link
JP (1)	JPS5929320B2 (en)
AR (1)	AR206820A1 (en)
BR (1)	BR7503861A (en)
CA (1)	CA1063264A (en)
CH (1)	CH609652A5 (en)
DE (1)	DE2527588C2 (en)
DK (1)	DK281875A (en)
EG (1)	EG11772A (en)
FI (1)	FI62275C (en)
FR (1)	FR2275408A1 (en)
GB (1)	GB1512693A (en)
IE (1)	IE41385B1 (en)
IL (1)	IL47536A (en)
IN (1)	IN144405B (en)
IT (1)	IT1040676B (en)
NL (1)	NL171568C (en)
NO (1)	NO148260C (en)
SE (1)	SE410306B (en)
TR (1)	TR18849A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3729127A1 (en) *	1987-09-01	1989-03-09	Taetzner Wolfgang	Process and apparatus for biologically purifying waste waters of their phosphate impurities

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3236766A (en) *	1964-03-31	1966-02-22	Hazleton Lab Inc	Sewage treatment process
US3385785A (en) *	1966-05-04	1968-05-28	Fmc Corp	Method of controlling phosphate concentration in sewage treatment systems
US3681235A (en) *	1971-03-11	1972-08-01	Biospherics Inc	Internal precipitation of phosphate from activated sludge

1974
- 1974-06-20 TR TR1884974A patent/TR18849A/en unknown
1975
- 1975-01-01 AR AR25928175A patent/AR206820A1/en active
- 1975-06-17 CA CA229,489A patent/CA1063264A/en not_active Expired
- 1975-06-18 SE SE7507013A patent/SE410306B/en unknown
- 1975-06-19 FI FI751833A patent/FI62275C/en not_active IP Right Cessation
- 1975-06-20 DK DK281875A patent/DK281875A/en not_active Application Discontinuation
- 1975-06-20 GB GB26229/75A patent/GB1512693A/en not_active Expired
- 1975-06-20 BR BR7504965D patent/BR7503861A/en unknown
- 1975-06-20 FR FR7519419A patent/FR2275408A1/en active Granted
- 1975-06-20 NO NO752207A patent/NO148260C/en unknown
- 1975-06-20 IL IL4753675A patent/IL47536A/en unknown
- 1975-06-20 JP JP50074558A patent/JPS5929320B2/en not_active Expired
- 1975-06-20 CH CH806475A patent/CH609652A5/en not_active IP Right Cessation
- 1975-06-20 IT IT5015775A patent/IT1040676B/en active
- 1975-06-20 DE DE2527588A patent/DE2527588C2/en not_active Expired
- 1975-06-20 NL NLAANVRAGE7507418,A patent/NL171568C/en not_active IP Right Cessation
- 1975-06-21 EG EG35475A patent/EG11772A/en active
- 1975-06-23 IN IN1237/CAL/1975A patent/IN144405B/en unknown
- 1975-06-23 IE IE1394/75A patent/IE41385B1/en unknown

Also Published As

Publication number	Publication date
NL7507418A (en)	1975-12-23
JPS5929320B2 (en)	1984-07-19
AR206820A1 (en)	1976-08-23
IL47536A0 (en)	1975-08-31
NL171568C (en)	1983-04-18
NO148260B (en)	1983-05-30
FI751833A7 (en)	1975-12-22
CA1063264A (en)	1979-09-25
SE410306B (en)	1979-10-08
FI62275B (en)	1982-08-31
FR2275408A1 (en)	1976-01-16
IL47536A (en)	1978-07-31
GB1512693A (en)	1978-06-01
IN144405B (en)	1978-04-29
DK281875A (en)	1975-12-22
DE2527588A1 (en)	1976-01-15
IT1040676B (en)	1979-12-20
NO148260C (en)	1983-09-07
NO752207L (en)	1975-12-23
SE7507013L (en)	1975-12-22
FR2275408B1 (en)	1982-07-16
DE2527588C2 (en)	1985-09-19
AU8232675A (en)	1976-12-23
JPS5114757A (en)	1976-02-05
FI62275C (en)	1982-12-10
BR7503861A (en)	1976-07-06
TR18849A (en)	1977-11-01
IE41385B1 (en)	1979-12-19
IE41385L (en)	1975-12-21
CH609652A5 (en)	1979-03-15
EG11772A (en)	1977-10-31

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NL168800C (en)	1982-05-17	METHOD FOR CLEARING WASTE WATER SLUDGE
NL7701961A (en)	1977-08-25	METHOD FOR THE PURIFICATION OF WASTE WATER.
NL171568C (en)	1983-04-18	METHOD FOR BIOLOGICAL REMOVAL OF PHOSPHATE FROM WASTE WATER.
NL7508307A (en)	1976-01-20	METHOD FOR THE PURIFICATION OF WASTE WATER.
NL7711749A (en)	1978-04-28	METHOD FOR THE PURIFICATION OF WASTE WATER.

Legal Events

Date	Code	Title	Description
1982-02-16	CNR	Transfer of rights (patent application after its laying open for public inspection)	Free format text: BIOSPHERICS INCORPORATED
1986-03-17	U	Licences registered with regard to patents granted
1995-07-17	V4	Discontinued because of reaching the maximum lifetime of a patent