FR2430451A1 - Activated sludge treatment of waste water - with ultrafiltration stage and recycle of residue through gas aspirator - Google Patents

Activated sludge treatment of waste water - with ultrafiltration stage and recycle of residue through gas aspirator

Info

Publication number
FR2430451A1
FR2430451A1 FR7820577A FR7820577A FR2430451A1 FR 2430451 A1 FR2430451 A1 FR 2430451A1 FR 7820577 A FR7820577 A FR 7820577A FR 7820577 A FR7820577 A FR 7820577A FR 2430451 A1 FR2430451 A1 FR 2430451A1
Authority
FR
France
Prior art keywords
gas
activated sludge
ultrafiltration
recycle
residue
Prior art date
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
FR7820577A
Other languages
French (fr)
Other versions
FR2430451B1 (en
Inventor
Serge Lambert
Bruno Jamet
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.)
Rhone Poulenc Industries SA
Original Assignee
Rhone Poulenc Industries SA
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 Rhone Poulenc Industries SA filed Critical Rhone Poulenc Industries SA
Priority to FR7820577A priority Critical patent/FR2430451A1/en
Priority to GR59503A priority patent/GR64857B/en
Publication of FR2430451A1 publication Critical patent/FR2430451A1/en
Application granted granted Critical
Publication of FR2430451B1 publication Critical patent/FR2430451B1/fr
Granted 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
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1278—Provisions for mixing or aeration of the mixed liquor
    • C02F3/1294—"Venturi" aeration means
    • 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)
  • 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)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

In the method of performing biological reactions with microorganisms which act on dissolved or suspended organic matter in aq. media in presence of dissolved and/or suspended gas, a portion of the reaction medium is subjected to ultrafiltration. The ultrafiltrate is withdrawn but the concentrate is (partly) recycled to the reaction mixt. by passing it through a depression-forming device (DFD) which aspirates a gas to be mixed with the reaction medium. Esp. an aq. suspension of microorganisms is circulated in a closed system consisting of reactor, pump, ultrafiltration appts, DFD, plus feed and withdrawal lines. An appts for the method is also claimed. Used esp for treating aq. effluent with activated sludge and O2, particularly where there are seasonal variations in the amt. of effluent and for hospitals etc. (an aseptic ultrafiltrate is prod). Excellent distribution of aspirated gas and savings in energy for gas injection are provided.
FR7820577A 1978-07-04 1978-07-04 Activated sludge treatment of waste water - with ultrafiltration stage and recycle of residue through gas aspirator Granted FR2430451A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7820577A FR2430451A1 (en) 1978-07-04 1978-07-04 Activated sludge treatment of waste water - with ultrafiltration stage and recycle of residue through gas aspirator
GR59503A GR64857B (en) 1978-07-04 1979-07-03 Biological reactions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7820577A FR2430451A1 (en) 1978-07-04 1978-07-04 Activated sludge treatment of waste water - with ultrafiltration stage and recycle of residue through gas aspirator

Publications (2)

Publication Number Publication Date
FR2430451A1 true FR2430451A1 (en) 1980-02-01
FR2430451B1 FR2430451B1 (en) 1980-11-28

Family

ID=9210560

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7820577A Granted FR2430451A1 (en) 1978-07-04 1978-07-04 Activated sludge treatment of waste water - with ultrafiltration stage and recycle of residue through gas aspirator

Country Status (2)

Country Link
FR (1) FR2430451A1 (en)
GR (1) GR64857B (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2493729A1 (en) * 1980-11-10 1982-05-14 Vrignaud Yves Use of ultrafiltration to isolate and recovery enzymes etc. - from liq. phase processes to increase efficiency of resuse of active reagents
EP0125192A1 (en) * 1983-05-05 1984-11-14 Rhone-Poulenc Chimie Plant and method for treating swimming pool water by means of a membrane separation apparatus
WO1985000183A1 (en) * 1983-06-28 1985-01-17 Carl Schleicher & Schuell Gmbh & Co. Kg Method and plant for the continuous fermentation with simultaneous fractionated separation of metabolism products
EP0139592A2 (en) * 1983-10-27 1985-05-02 Les Produits Organiques Du Santerre Orsan Process and apparatus for the production of aminoacids by fermentation
EP0188068A2 (en) * 1984-11-16 1986-07-23 Nitto Chemical Industry Co., Ltd. Method for purifying reaction solution obtained by using microbial cell, immobilized microbial cell, or immobilized enzyme
EP0229872A1 (en) * 1985-09-06 1987-07-29 Starcosa GmbH Membrane separation process and apparatus for the separation of the liquids from fermentation suspensions
US4719016A (en) * 1985-09-06 1988-01-12 Starcosa Gmbh Pervaporization method and apparatus
US5151187A (en) * 1991-11-19 1992-09-29 Zenon Environmental, Inc. Membrane bioreactor system with in-line gas micronizer
WO1996036426A1 (en) * 1995-05-16 1996-11-21 Bucher-Guyer Ag Cross-flow filtering process for separating fluid from a free-flowing medium and installation for implementing it
EP1385604A1 (en) * 1998-08-14 2004-02-04 ATP International, Ltd Apparatus and method for treatment of water
WO2009156830A2 (en) * 2008-06-25 2009-12-30 Catteran Llc Aeration and filtration system and process for treating wastewater
FR2950047A1 (en) * 2009-09-17 2011-03-18 Isb Water PURIFYING STATION WITH ACTIVATED SLUDGE.
WO2014202847A3 (en) * 2013-06-20 2015-06-04 Innogur Technologies Self-contained water-treatment apparatus and related floating photovoltaic platform

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1658062A1 (en) * 1966-09-09 1970-09-03 Dorr Oliver Inc Process for concentrating biological solids in biological reaction vessels
FR2327200A1 (en) * 1975-10-07 1977-05-06 Sadoulet Maurice Activated sludge plant oxidation tank - with aeration and agitation by jet of liq. pumped intermittently from balance tank
FR2342254A1 (en) * 1976-02-27 1977-09-23 Unisearch Ltd METHOD AND APPARATUS FOR THE PURIFICATION OF AQUEOUS EFFLUENTS CONTAINING ORGANIC POLLUTANTS BY A RAPID BIOLOGICAL OXIDATION PROCESS

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1658062A1 (en) * 1966-09-09 1970-09-03 Dorr Oliver Inc Process for concentrating biological solids in biological reaction vessels
FR2327200A1 (en) * 1975-10-07 1977-05-06 Sadoulet Maurice Activated sludge plant oxidation tank - with aeration and agitation by jet of liq. pumped intermittently from balance tank
FR2342254A1 (en) * 1976-02-27 1977-09-23 Unisearch Ltd METHOD AND APPARATUS FOR THE PURIFICATION OF AQUEOUS EFFLUENTS CONTAINING ORGANIC POLLUTANTS BY A RAPID BIOLOGICAL OXIDATION PROCESS

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2493729A1 (en) * 1980-11-10 1982-05-14 Vrignaud Yves Use of ultrafiltration to isolate and recovery enzymes etc. - from liq. phase processes to increase efficiency of resuse of active reagents
EP0125192A1 (en) * 1983-05-05 1984-11-14 Rhone-Poulenc Chimie Plant and method for treating swimming pool water by means of a membrane separation apparatus
WO1985000183A1 (en) * 1983-06-28 1985-01-17 Carl Schleicher & Schuell Gmbh & Co. Kg Method and plant for the continuous fermentation with simultaneous fractionated separation of metabolism products
EP0139592A2 (en) * 1983-10-27 1985-05-02 Les Produits Organiques Du Santerre Orsan Process and apparatus for the production of aminoacids by fermentation
FR2554126A1 (en) * 1983-10-27 1985-05-03 Santerre Orsan PROCESS AND PLANT FOR PRODUCING GLUTAMIC ACID BY FERMENTATION
EP0139592A3 (en) * 1983-10-27 1987-01-07 Les Produits Organiques Du Santerre Orsan Process and apparatus for the production of aminoacids by fermentation
EP0188068A2 (en) * 1984-11-16 1986-07-23 Nitto Chemical Industry Co., Ltd. Method for purifying reaction solution obtained by using microbial cell, immobilized microbial cell, or immobilized enzyme
EP0188068A3 (en) * 1984-11-16 1986-10-01 Nitto Chemical Industry Co., Ltd. Method for purifying reaction solution obtained by using microbial cell, immobilized microbial cell, or immobilized enzyme
US4749476A (en) * 1985-09-06 1988-06-07 Starcosa Gmbh Apparatus for filtering pressure sensitive substances out of liquid suspension
US4719016A (en) * 1985-09-06 1988-01-12 Starcosa Gmbh Pervaporization method and apparatus
EP0229872A1 (en) * 1985-09-06 1987-07-29 Starcosa GmbH Membrane separation process and apparatus for the separation of the liquids from fermentation suspensions
US5151187A (en) * 1991-11-19 1992-09-29 Zenon Environmental, Inc. Membrane bioreactor system with in-line gas micronizer
US5254253A (en) * 1991-11-19 1993-10-19 Zenon Environmental Inc. Modular shipboard membrane bioreactor system for combined wastewater streams
WO1996036426A1 (en) * 1995-05-16 1996-11-21 Bucher-Guyer Ag Cross-flow filtering process for separating fluid from a free-flowing medium and installation for implementing it
US5958244A (en) * 1995-05-16 1999-09-28 Bucher-Guyer Ag Cross-flow filtering process for separating fluid from a free-flowing medium and installation for implementing it
EP1385604A1 (en) * 1998-08-14 2004-02-04 ATP International, Ltd Apparatus and method for treatment of water
EP1385604A4 (en) * 1998-08-14 2005-03-30 Wm Internat Ltd Apparatus and method for treatment of water
WO2009156830A2 (en) * 2008-06-25 2009-12-30 Catteran Llc Aeration and filtration system and process for treating wastewater
WO2009156830A3 (en) * 2008-06-25 2010-02-25 Catteran Llc System and process of filtration and aeration for the treatment of waste water
FR2950047A1 (en) * 2009-09-17 2011-03-18 Isb Water PURIFYING STATION WITH ACTIVATED SLUDGE.
WO2011033476A1 (en) * 2009-09-17 2011-03-24 Isb Water Treatment plant with activated sludge
WO2014202847A3 (en) * 2013-06-20 2015-06-04 Innogur Technologies Self-contained water-treatment apparatus and related floating photovoltaic platform

Also Published As

Publication number Publication date
GR64857B (en) 1980-06-05
FR2430451B1 (en) 1980-11-28

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