CA968474A - Treatment of nitrogenous effluents - Google Patents

Treatment of nitrogenous effluents

Info

Publication number: CA968474A
Authority: CA; Canada
Prior art keywords: treatment; effluents; nitrogenous; nitrogenous effluents
Prior art date: 1972-07-31
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

CA148,355A

Other languages

English (en)

Other versions

CA148355S (en

Inventor

David C. Climenhage

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.)

DuPont Canada Inc

Original Assignee

DuPont Canada 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.)

1972-07-31

Filing date

1972-07-31

Publication date

1975-05-27

1972-07-31 Application filed by DuPont Canada Inc filed Critical DuPont Canada Inc

1972-07-31 Priority to CA148,355A priority Critical patent/CA968474A/en

1973-07-30 Priority to IT2727873A priority patent/IT995090B/it

1973-07-30 Priority to FR7327803A priority patent/FR2194656B1/fr

1973-07-30 Priority to BE134006A priority patent/BE802959A/xx

1973-07-31 Priority to GB3638773A priority patent/GB1440171A/en

1973-07-31 Priority to GB332676A priority patent/GB1441241A/en

1973-07-31 Priority to JP48086273A priority patent/JPS4952452A/ja

1973-07-31 Priority to NL7310574A priority patent/NL7310574A/xx

1973-07-31 Priority to DE19732338853 priority patent/DE2338853A1/de

1974-10-31 Priority to ZA00747010A priority patent/ZA747010B/xx

1975-05-27 Application granted granted Critical

1975-05-27 Publication of CA968474A publication Critical patent/CA968474A/en

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
- C02F3/30—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)

CA148,355A 1972-07-31 1972-07-31 Treatment of nitrogenous effluents Expired CA968474A (en)

Priority Applications (10)

Application Number	Priority Date	Filing Date	Title
CA148,355A CA968474A (en)	1972-07-31	1972-07-31	Treatment of nitrogenous effluents
FR7327803A FR2194656B1 (de)	1972-07-31	1973-07-30
BE134006A BE802959A (fr)	1972-07-31	1973-07-30	Procede de traitement d'effluents contenant des matieres azotees et carbonees
IT2727873A IT995090B (it)	1972-07-31	1973-07-30	Trattamento di effluenti azotati
GB3638773A GB1440171A (en)	1972-07-31	1973-07-31	Treatment of acqueous effluents to remove nitrate and nitrate ions
GB332676A GB1441241A (en)	1972-07-31	1973-07-31	Treatment of effluents to remove nitrogen compounds
JP48086273A JPS4952452A (de)	1972-07-31	1973-07-31
NL7310574A NL7310574A (de)	1972-07-31	1973-07-31
DE19732338853 DE2338853A1 (de)	1972-07-31	1973-07-31	Verfahren zum behandeln von stickstoffhaltigen abwaessern
ZA00747010A ZA747010B (en)	1972-07-31	1974-10-31	Improved treatment of nitrogenous effluents

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CA148,355A CA968474A (en)	1972-07-31	1972-07-31	Treatment of nitrogenous effluents
ZA00747010A ZA747010B (en)	1972-07-31	1974-10-31	Improved treatment of nitrogenous effluents

Publications (1)

Publication Number	Publication Date
CA968474A true CA968474A (en)	1975-05-27

Family

ID=25667087

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA148,355A Expired CA968474A (en)	1972-07-31	1972-07-31	Treatment of nitrogenous effluents

Country Status (8)

Country	Link
JP (1)	JPS4952452A (de)
BE (1)	BE802959A (de)
CA (1)	CA968474A (de)
DE (1)	DE2338853A1 (de)
FR (1)	FR2194656B1 (de)
GB (2)	GB1441241A (de)
NL (1)	NL7310574A (de)
ZA (1)	ZA747010B (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE405351C (sv) *	1975-04-25	1987-11-16	Svenska Sockerfabriks Ab	Forfarande for biologisk rening av kolhydrat- och/eller proteinrikt avloppsvatten
US4043936A (en) *	1976-02-24	1977-08-23	The United States Of America As Represented By United States Energy Research And Development Administration	Biological denitrification of high concentration nitrate waste
US4056465A (en) *	1976-04-12	1977-11-01	Air Products And Chemicals, Inc.	Production of non-bulking activated sludge
US4179374A (en) *	1976-05-12	1979-12-18	Dravo Corporation	Apparatus for the treatment of wastewater
CH621751A5 (en) *	1976-09-24	1981-02-27	Attisholz Cellulose	Process for the biochemical purification of waste water containing organic constituents which favour the undesirable development of filamentous bacteria and/or the formation of bulking sludge
US4315823A (en) *	1976-10-29	1982-02-16	Celanese Corporation	Anaerobic treatment
DE2825007A1 (de) *	1978-06-07	1979-12-13	Gubernatorova Geb Denisova	Verfahren zur biologischen reinigung von abwaessern
DE2904335A1 (de) *	1979-02-06	1980-11-20	Bayer Ag	Verfahren zur reinigung von abwasser mit einem hohen gehalt an stickstoffverbindungen
US4415453A (en) *	1980-10-21	1983-11-15	Celanese Corporation	Anaerobic treatment
DE3130718A1 (de) *	1981-08-03	1983-03-03	Passavant-Werke AG & Co KG, 6209 Aarbergen	Anlage zur biologischen abwasserreinigung sowie verfahren zum betrieb der anlage
DE3134879A1 (de) *	1981-09-03	1983-04-07	Menzel Gmbh & Co, 7000 Stuttgart	Verfahren zur biochemischen stoffumsetzung
DE3208173A1 (de) *	1982-03-06	1983-09-08	Volker Dipl.-Ing. 7200 Tuttlingen Stengelin	Verfahren und vorrichtung zum entfernen des stickstoffs aus dem abwasser mittels tauchtropfkoerper
DE3238089A1 (de) *	1982-10-14	1984-04-19	Ballhaus, Heribert, Dipl.-Ing. Dr.-Ing, 7517 Waldbronn	Geraet zur detektion von korrosionsschaeden an stahlseilfoerdergurten
SE8603843L (sv) *	1986-09-12	1988-03-13	Vyrmetoder Ab	Forfarande for rening av avloppsvatten innehallande nitrat och/eller nitrit
US8894856B2 (en)	2008-03-28	2014-11-25	Evoqua Water Technologies Llc	Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods
WO2009120384A2 (en)	2008-03-28	2009-10-01	Siemens Water Technologies Corp.	Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods
US8894857B2 (en)	2008-03-28	2014-11-25	Evoqua Water Technologies Llc	Methods and systems for treating wastewater
US8685247B2 (en)	2009-12-03	2014-04-01	Evoqua Water Technologies Llc	Systems and methods for nutrient removal in biological treatment systems
US9359236B2 (en)	2010-08-18	2016-06-07	Evoqua Water Technologies Llc	Enhanced biosorption of wastewater organics using dissolved air flotation with solids recycle
WO2012024279A1 (en)	2010-08-18	2012-02-23	Siemens Industry, Inc.	Contact-stabilization/prime-float hybrid
US10131550B2 (en)	2013-05-06	2018-11-20	Evoqua Water Technologies Llc	Enhanced biosorption of wastewater organics using dissolved air flotation with solids recycle
DE102015002395A1 (de) *	2015-02-23	2016-08-25	HAWK Hochschule für angewandte Wissenschaft und Kunst Fachhochschule Hildesheim/Holzminden/Göttingen	Verfahren und Anlage zur Abwasserreinigung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2875151A (en) *	1952-04-22	1959-02-24	Schenley Ind Inc	Process for treatment of sewage

1972
- 1972-07-31 CA CA148,355A patent/CA968474A/en not_active Expired
1973
- 1973-07-30 FR FR7327803A patent/FR2194656B1/fr not_active Expired
- 1973-07-30 BE BE134006A patent/BE802959A/xx unknown
- 1973-07-31 GB GB332676A patent/GB1441241A/en not_active Expired
- 1973-07-31 DE DE19732338853 patent/DE2338853A1/de active Pending
- 1973-07-31 NL NL7310574A patent/NL7310574A/xx not_active Application Discontinuation
- 1973-07-31 JP JP48086273A patent/JPS4952452A/ja active Pending
- 1973-07-31 GB GB3638773A patent/GB1440171A/en not_active Expired
1974
- 1974-10-31 ZA ZA00747010A patent/ZA747010B/xx unknown

Also Published As

Publication number	Publication date
GB1441241A (en)	1976-06-30
BE802959A (fr)	1973-11-16
GB1440171A (en)	1976-06-23
FR2194656B1 (de)	1979-10-19
DE2338853A1 (de)	1974-02-14
JPS4952452A (de)	1974-05-21
ZA747010B (en)	1975-11-26
NL7310574A (de)	1974-02-04
FR2194656A1 (de)	1974-03-01

Publication	Publication Date	Title
CA968474A (en)	1975-05-27	Treatment of nitrogenous effluents
CA986239A (en)	1976-03-23	Waste treatment process
CA991762A (en)	1976-06-22	Process for the treatment of activated sludge
CA999987A (en)	1976-11-16	Polymeric bio-surface treatment of sewage
AU5678773A (en)	1974-12-12	Treatment of teeth
CA980924A (en)	1975-12-30	Sewage treatment system
CA959182A (en)	1974-12-10	Wastewater treatment system
CA960802A (en)	1975-01-14	Sewage treatment systems
CA980923A (en)	1975-12-30	Aerobic sewage treatment system
CA997648A (en)	1976-09-28	Waste treatment
CA962848A (en)	1975-02-18	Treatment of gaseous effluent
CA974336A (en)	1975-09-09	Plant for wastewater treatment
CA987195A (en)	1976-04-13	Sewage treatment
CA976283A (en)	1975-10-14	Treatment of effluents
CA963601A (en)	1975-03-04	Treatment of sewage
CA966234A (en)	1975-04-15	Treatment of sewage
CA1006993A (en)	1977-03-15	Waste-water treatment
AU5078673A (en)	1974-07-11	Wastewater treatment
CA891198A (en)	1972-01-18	Biological treatment of wastewater
AU485782B2 (en)	1975-02-27	Sewage treatment plant and process
AU473825B2 (en)	1976-07-01	Treatment of water
CA894131A (en)	1972-02-29	Treatment of waste liquors
AU491234B2 (en)	1975-07-24	Treatment of effluents
CA913020A (en)	1972-10-24	Sewage treatment
CA893944A (en)	1972-02-22	Sewage treatment