ATA214984A - METHOD FOR THE BIOLOGICAL ACTIVATION CLEANING OF WASTE WATERS WITH NITRIFICATION AND DENITRIFICATION IN A CIRCULATION SYSTEM AND DEVICE FOR CARRYING OUT THIS METHOD - Google Patents

METHOD FOR THE BIOLOGICAL ACTIVATION CLEANING OF WASTE WATERS WITH NITRIFICATION AND DENITRIFICATION IN A CIRCULATION SYSTEM AND DEVICE FOR CARRYING OUT THIS METHOD

Info

Publication number: ATA214984A
Authority: AT; Austria
Prior art keywords: nitrification; denitrification; carrying; circulation system; waste waters
Prior art date: 1983-07-04

Application number

AT0214984A

Other languages

German (de)

Other versions

AT392956B (en

Original Assignee

Slovenskej Vysokej Skoly Tech

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.)

1983-07-04

Filing date

1984-07-04

Publication date

1990-12-15

1984-07-04 Application filed by Slovenskej Vysokej Skoly Tech filed Critical Slovenskej Vysokej Skoly Tech

1990-12-15 Publication of ATA214984A publication Critical patent/ATA214984A/en

1991-07-25 Application granted granted Critical

1991-07-25 Publication of AT392956B publication Critical patent/AT392956B/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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment

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)
Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Biological Treatment Of Waste Water (AREA)

AT2149/84A 1983-07-04 1984-07-04 PROCEDURE AT392956B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CS835052A CS240757B1 (en)	1983-07-04	1983-07-04	Sewage biological activation treatment method with denitration in circulation system and equipment for performance of this method

Publications (2)

Publication Number	Publication Date
ATA214984A true ATA214984A (en)	1990-12-15
AT392956B AT392956B (en)	1991-07-25

Family

ID=5394633

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT2149/84A AT392956B (en)	1983-07-04	1984-07-04	PROCEDURE

Country Status (7)

Country	Link
AT (1)	AT392956B (en)
CS (1)	CS240757B1 (en)
DE (1)	DE3424615C2 (en)
FR (1)	FR2548655B1 (en)
GB (1)	GB2143811B (en)
IT (1)	IT1181193B (en)
NL (1)	NL8402134A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4204590C2 (en) *	1992-02-15	1995-05-04	Dyckerhoff & Widmann Ag	Process for biological wastewater treatment in an aeration tank
WO1996023736A1 (en) *	1995-01-30	1996-08-08	Robert Vit	Device and process for thickening and conveying waste water sludges
DE19502856C2 (en) *	1995-01-30	1997-08-07	Vit Robert	Clarifier, thickening centrifuge and process to reduce sludge production in clarifiers
AT406261B (en) *	1997-11-20	2000-03-27	Kurt Gassner	Process for cleaning up wastewater
US7811456B2 (en) *	2007-10-11	2010-10-12	Recology Inc.	Systems and methods for combining and converting solid and liquid organic waste materials into useful products
CN110482686B (en) *	2019-03-26	2023-12-12	浙江海牛环境科技股份有限公司	Consumption-reducing and efficiency-improving system and method suitable for biological denitrification of oxidation ditch
CN113968617B (en) *	2021-06-25	2023-09-19	北京绿恒科技有限公司	Inversion type multi-directional flow aerobic granular sludge water treatment device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3805481A (en) *	1964-04-23	1974-04-23	E Armstrong	Apparatus for and process of treating liquids with a gas
US3650950A (en) *	1969-08-20	1972-03-21	Robert W White	Material shearing mixer and aerator
DE2426672C3 (en) *	1974-06-01	1980-04-24	Bayer Ag, 5090 Leverkusen	Process for the recoagulation of activated sludge flakes and a suitable recoagulator
GB1511047A (en) *	1975-07-07	1978-05-17	Activox Inc	Process for total sewage treatment
US3997437A (en) *	1975-07-25	1976-12-14	Prince Jack E	Aerobic type sewage digestion system
BR7800726A (en) *	1977-02-08	1978-11-28	Union Carbide Corp	PROCESS FOR DIGESTING MUD AND PROCESS FOR REMOVING BODY FROM REJECTED WATER IN A COVERED AERATION AREA, AND DIGESTING THE MUD ACTIVATED WITH GAS OXYGEN
AU523598B2 (en) *	1977-11-04	1982-08-05	John Hager Reid	Aeration ditch
DE3002604A1 (en) *	1980-01-25	1981-07-30	Basf Ag, 6700 Ludwigshafen	METHOD AND DEVICE FOR BIOLOGICAL WASTE WATER TREATMENT
GB2110658B (en) *	1981-11-03	1985-03-13	Agrotechnika Np	Apparatus for cleaning waste liquid
DE3144019A1 (en) *	1981-11-05	1983-05-19	Agrotechnika, N.P., podnikové riaditelstvo, Zvolen	Device for the biological purification of waste waters containing carbon and nitrogen
FR2516910B1 (en) *	1981-11-20	1986-09-12	Agrotechnika Np	PLANT FOR THE BIOLOGICAL PURIFICATION OF WASTE WATER CONTAINING CARBON AND NITROGEN

1983
- 1983-07-04 CS CS835052A patent/CS240757B1/en unknown
1984
- 1984-07-03 IT IT83380/84A patent/IT1181193B/en active
- 1984-07-04 GB GB08416992A patent/GB2143811B/en not_active Expired
- 1984-07-04 FR FR848410610A patent/FR2548655B1/en not_active Expired - Fee Related
- 1984-07-04 AT AT2149/84A patent/AT392956B/en not_active IP Right Cessation
- 1984-07-04 DE DE3424615A patent/DE3424615C2/en not_active Expired - Fee Related
- 1984-07-04 NL NL8402134A patent/NL8402134A/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
IT1181193B (en)	1987-09-23
GB8416992D0 (en)	1984-08-08
FR2548655B1 (en)	1990-08-24
GB2143811B (en)	1987-09-23
GB2143811A (en)	1985-02-20
FR2548655A1 (en)	1985-01-11
CS240757B1 (en)	1986-02-13
DE3424615A1 (en)	1985-02-14
CS505283A1 (en)	1985-07-16
IT8483380A0 (en)	1984-07-03
AT392956B (en)	1991-07-25
DE3424615C2 (en)	1994-04-07
NL8402134A (en)	1985-02-01

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Legal Events

Date	Code	Title	Description
1996-09-15	ELJ	Ceased due to non-payment of the annual fee