FR2194656A1 - - Google Patents

Info

Publication number
FR2194656A1
FR2194656A1 FR7327803A FR7327803A FR2194656A1 FR 2194656 A1 FR2194656 A1 FR 2194656A1 FR 7327803 A FR7327803 A FR 7327803A FR 7327803 A FR7327803 A FR 7327803A FR 2194656 A1 FR2194656 A1 FR 2194656A1
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
FR7327803A
Other versions
FR2194656B1 (fr
Inventor
David Charles 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.)
Filing date
Publication date
Application filed by DuPont Canada Inc filed Critical DuPont Canada Inc
Publication of FR2194656A1 publication Critical patent/FR2194656A1/fr
Application granted granted Critical
Publication of FR2194656B1 publication Critical patent/FR2194656B1/fr
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)
FR7327803A 1972-07-31 1973-07-30 Expired FR2194656B1 (fr)

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 (2)

Publication Number Publication Date
FR2194656A1 true FR2194656A1 (fr) 1974-03-01
FR2194656B1 FR2194656B1 (fr) 1979-10-19

Family

ID=25667087

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7327803A Expired FR2194656B1 (fr) 1972-07-31 1973-07-30

Country Status (8)

Country Link
JP (1) JPS4952452A (fr)
BE (1) BE802959A (fr)
CA (1) CA968474A (fr)
DE (1) DE2338853A1 (fr)
FR (1) FR2194656B1 (fr)
GB (2) GB1440171A (fr)
NL (1) NL7310574A (fr)
ZA (1) ZA747010B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2715256A1 (de) * 1976-04-12 1977-10-27 Air Prod & Chem Herstellung von aktiviertem schlamm mit verringertem volumen

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE405351C (sv) * 1975-04-25 1987-06-10 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
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
CN101980969A (zh) 2008-03-28 2011-02-23 西门子水处理技术公司 需氧和厌氧混合废水和污泥处理系统和方法
US8894856B2 (en) 2008-03-28 2014-11-25 Evoqua Water Technologies Llc Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods
US8685247B2 (en) 2009-12-03 2014-04-01 Evoqua Water Technologies Llc Systems and methods for nutrient removal in biological treatment systems
WO2011133738A1 (fr) 2010-04-21 2011-10-27 Siemens Pte. Ltd. Procédés et systèmes de traitement des eaux usées
US8808544B2 (en) 2010-08-18 2014-08-19 Evoqua Water Technologies Llc Contact-stabilization/prime-float hybrid
US9359236B2 (en) 2010-08-18 2016-06-07 Evoqua Water Technologies Llc Enhanced biosorption of wastewater organics using dissolved air flotation with solids recycle
WO2014182533A1 (fr) 2013-05-06 2014-11-13 Erdogan Argun O Biosorption d'eaux usées par flottation par air dissous
DE102015002395A1 (de) * 2015-02-23 2016-08-25 HAWK Hochschule für angewandte Wissenschaft und Kunst Fachhochschule Hildesheim/Holzminden/Göttingen Verfahren und Anlage zur Abwasserreinigung

Citations (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

Patent Citations (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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2715256A1 (de) * 1976-04-12 1977-10-27 Air Prod & Chem Herstellung von aktiviertem schlamm mit verringertem volumen
FR2348159A1 (fr) * 1976-04-12 1977-11-10 Air Prod & Chem Procede de production d'une boue activee facilement decantable dans l'epuration des eaux residuaires

Also Published As

Publication number Publication date
CA968474A (en) 1975-05-27
JPS4952452A (fr) 1974-05-21
DE2338853A1 (de) 1974-02-14
BE802959A (fr) 1973-11-16
NL7310574A (fr) 1974-02-04
ZA747010B (en) 1975-11-26
FR2194656B1 (fr) 1979-10-19
GB1441241A (en) 1976-06-30
GB1440171A (en) 1976-06-23

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Legal Events

Date Code Title Description
ST Notification of lapse