BR0315210A - Processo para redução da pasta formada durante o tratamento biológico de um efluente aquoso - Google Patents

Processo para redução da pasta formada durante o tratamento biológico de um efluente aquoso

Info

Publication number
BR0315210A
BR0315210A BR0315210A BR0315210A BR0315210A BR 0315210 A BR0315210 A BR 0315210A BR 0315210 A BR0315210 A BR 0315210A BR 0315210 A BR0315210 A BR 0315210A BR 0315210 A BR0315210 A BR 0315210A
Authority
BR
Brazil
Prior art keywords
biological treatment
formed during
aqueous effluent
during biological
pulp formed
Prior art date
Application number
BR0315210A
Other languages
English (en)
Other versions
BR0315210B1 (pt
Inventor
Philippe Campo
Jerome Cluzeau
Christian Jalbert
Original Assignee
Air Liquide
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 Air Liquide filed Critical Air Liquide
Publication of BR0315210A publication Critical patent/BR0315210A/pt
Publication of BR0315210B1 publication Critical patent/BR0315210B1/pt

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
    • C02F3/1205—Particular type of activated sludge processes
    • C02F3/1221—Particular type of activated sludge processes comprising treatment of the recirculated sludge
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • 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

Abstract

"PROCESSO PARA REDUçãO DA PASTA FORMADA DURANTE O TRATAMENTO BIOLóGICO DE UM EFLUENTE AQUOSO". A invenção se refere a um processo para tratar um efluente compreendendo, pelo menos, uma etapa de tratamento biológico conduzindo à produção de pasta biológica, durante tal etapa, o efluente é contatado com microorganismos em um tanque, onde o gás contendo ozónio é injetado dentro do tanque compreendendo pelo menos 2,5 mg de ozónio por litro de gás.
BRPI0315210-3A 2002-10-10 2003-10-02 processo para redução da pasta formada durante o tratamento biológico de um efluente aquoso. BR0315210B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR02/12593 2002-10-10
FR0212593A FR2845682B1 (fr) 2002-10-10 2002-10-10 Procede de reduction des boues d'un traitement biologique de l'eau mettant en oeuvre de l'ozone
PCT/FR2003/050075 WO2004033371A2 (fr) 2002-10-10 2003-10-02 Procede de reduction des boues d'un traitement biologique de l'eau mettant en oeuvre de l'ozone

Publications (2)

Publication Number Publication Date
BR0315210A true BR0315210A (pt) 2005-08-16
BR0315210B1 BR0315210B1 (pt) 2012-02-07

Family

ID=32039603

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0315210-3A BR0315210B1 (pt) 2002-10-10 2003-10-02 processo para redução da pasta formada durante o tratamento biológico de um efluente aquoso.

Country Status (7)

Country Link
US (1) US7335304B2 (pt)
EP (1) EP1554222A2 (pt)
AU (1) AU2003288372A1 (pt)
BR (1) BR0315210B1 (pt)
CA (1) CA2501387A1 (pt)
FR (1) FR2845682B1 (pt)
WO (1) WO2004033371A2 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7513999B2 (en) 2006-09-29 2009-04-07 Praxair Technology, Inc. Ozonation of wastewater for reduction of sludge or foam and bulking control
US7309432B1 (en) 2006-09-29 2007-12-18 Praxair Technology, Inc. System and method for eliminating sludge via ozonation
BR112014013255A2 (pt) 2011-12-01 2017-06-13 Praxair Technology Inc método e sistema de tratamento de água residual, e, método de tratamento de sedimento ativado residual
EP2636650A1 (de) 2012-03-09 2013-09-11 MCI Management Center Innsbruck - Internationale Hochschule GmbH Vorrichtung und biologisches Verfahren mit teilweise ionisiertem Gas
US10683221B2 (en) 2017-12-14 2020-06-16 L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Gas injection and recycling apparatus and methods
IT202100017066A1 (it) 2021-06-29 2022-12-29 Soc It Acetilene E Derivati S I A D S P A In Breve S I A D S P A Impianto di trattamento di acque reflue con riduzione dei flussi nocivi in uscita attraverso integrazione e recupero dei flussi gassosi ricchi in ossigeno e ozono con sistemi a basso consumo energetico

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3099839B2 (ja) * 1990-11-07 2000-10-16 味の素株式会社 活性汚泥法による廃水処理方法
US5411633A (en) * 1991-04-30 1995-05-02 Kamyr, Inc. Medium consistency pulp ozone bleaching
JPH0639390A (ja) * 1991-06-11 1994-02-15 Central Res Inst Of Electric Power Ind ばっ気処理におけるバルキング防止方法
JP2621699B2 (ja) * 1991-07-19 1997-06-18 日立プラント建設株式会社 汚水の処理方法及び装置
FR2784311B1 (fr) 1998-10-09 2000-12-08 Air Liquide Dispositif d'agitation d'un liquide dans un reacteur et d'injection d'un gaz dans ce liquide
DE19920269A1 (de) * 1999-05-03 2001-03-08 Philaqua Aufbereitungstechnik Direkte Ozonung von biologischen Belebungsstufen in Abwasserkläranlagen zum Zwecke der Reduzierung von Überschußschlamm
FR2798924B1 (fr) * 1999-09-24 2001-11-30 Degremont Procede d'elimination de la matiere organique refractaire au traitement biologique

Also Published As

Publication number Publication date
US7335304B2 (en) 2008-02-26
FR2845682A1 (fr) 2004-04-16
BR0315210B1 (pt) 2012-02-07
AU2003288372A1 (en) 2004-05-04
FR2845682B1 (fr) 2004-11-19
WO2004033371A2 (fr) 2004-04-22
US20060086661A1 (en) 2006-04-27
EP1554222A2 (fr) 2005-07-20
WO2004033371A3 (fr) 2004-07-15
AU2003288372A8 (en) 2004-05-04
CA2501387A1 (fr) 2004-04-22

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Legal Events

Date Code Title Description
B07A Technical examination (opinion): publication of technical examination (opinion)
B09A Decision: intention to grant
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 02/10/2003, OBSERVADAS AS CONDICOES LEGAIS.