BR9611625A - Método para limpar um aparelho de filtragem de membrana imensa - Google Patents

Método para limpar um aparelho de filtragem de membrana imensa

Info

Publication number
BR9611625A
BR9611625A BR9611625-0A BR9611625A BR9611625A BR 9611625 A BR9611625 A BR 9611625A BR 9611625 A BR9611625 A BR 9611625A BR 9611625 A BR9611625 A BR 9611625A
Authority
BR
Brazil
Prior art keywords
cleaning
membranes
immense
filtration device
membrane filtration
Prior art date
Application number
BR9611625-0A
Other languages
English (en)
Inventor
Pierre Cote
Annie Tazi-Pain
Patricia Grelier
Original Assignee
Omnium Traitement Valorisa
Zenon Environmental 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 Omnium Traitement Valorisa, Zenon Environmental Inc filed Critical Omnium Traitement Valorisa
Publication of BR9611625A publication Critical patent/BR9611625A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • B01D65/06—Membrane cleaning or sterilisation ; Membrane regeneration with special washing compositions
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/04—Backflushing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B01D2321/164—Use of bases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Filtration Of Liquid (AREA)

Abstract

"MéTODO PARA LIMPAR UM APARELHO DE FILTRAGEM DE MEMBRANA IMERSA". Um método para limpar um aparelho de filtragem compreendendo uma pluralidade de membranas imersas em pelo menos um tanque contendo o efluente a ser tratado. De acordo com o método, o efluente é pelo menos parcialmente removido do tanque para expor as membranas ao ar, e pelo menos uma solução de limpeza é alimentado através das ditas membranas na direção oposta ao fluxo de filtragem do efluente distribuindo a dita solução de filtragem ao lado penetrado das ditas membranas.
BR9611625-0A 1995-11-22 1996-11-19 Método para limpar um aparelho de filtragem de membrana imensa BR9611625A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9514188A FR2741280B1 (fr) 1995-11-22 1995-11-22 Procede de nettoyage d'une installation de filtration du type a membranes immergees
PCT/FR1996/001827 WO1997018887A1 (fr) 1995-11-22 1996-11-19 Procede de nettoyage d'une installation de filtration du type a membranes immergees

Publications (1)

Publication Number Publication Date
BR9611625A true BR9611625A (pt) 1999-12-28

Family

ID=9485034

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9611625-0A BR9611625A (pt) 1995-11-22 1996-11-19 Método para limpar um aparelho de filtragem de membrana imensa

Country Status (15)

Country Link
US (1) US6045698A (pt)
EP (1) EP0863793B1 (pt)
JP (1) JP4040090B2 (pt)
KR (1) KR100453845B1 (pt)
AT (1) ATE185702T1 (pt)
AU (1) AU710229B2 (pt)
BR (1) BR9611625A (pt)
CA (2) CA2484573C (pt)
DE (1) DE69604818T2 (pt)
DK (1) DK0863793T3 (pt)
ES (1) ES2140914T3 (pt)
FR (1) FR2741280B1 (pt)
HU (1) HUP0000070A3 (pt)
PL (1) PL182907B1 (pt)
WO (1) WO1997018887A1 (pt)

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Also Published As

Publication number Publication date
DE69604818D1 (de) 1999-11-25
HUP0000070A3 (en) 2002-01-28
MX9804058A (es) 1998-12-31
ATE185702T1 (de) 1999-11-15
AU710229B2 (en) 1999-09-16
FR2741280A1 (fr) 1997-05-23
HUP0000070A2 (hu) 2000-06-28
EP0863793A1 (fr) 1998-09-16
CA2236840A1 (en) 1997-05-29
KR100453845B1 (ko) 2005-01-15
PL326935A1 (en) 1998-11-09
CA2484573C (en) 2008-05-13
WO1997018887A1 (fr) 1997-05-29
FR2741280B1 (fr) 1997-12-19
KR19990071569A (ko) 1999-09-27
EP0863793B1 (fr) 1999-10-20
JP4040090B2 (ja) 2008-01-30
DE69604818T2 (de) 2000-06-21
US6045698A (en) 2000-04-04
ES2140914T3 (es) 2000-03-01
PL182907B1 (pl) 2002-04-30
CA2236840C (en) 2005-09-13
JP2000500392A (ja) 2000-01-18
AU7630096A (en) 1997-06-11
CA2484573A1 (en) 1997-05-29
DK0863793T3 (da) 2000-04-25

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Legal Events

Date Code Title Description
FF Decision: intention to grant
HHFF Decision: republication
FG9A Patent or certificate of addition granted
B25A Requested transfer of rights approved

Owner name: ZENON ENVIRONMENTAL INC. (CA) , OTV S.A. (FR)

Free format text: TRANSFERIDO DE: OTV OMNIUM DE TRAITEMENTS ET DE VALORISATION

B25D Requested change of name of applicant approved

Owner name: ZENON ENVIRONMENTAL INC. (CA) , VEOLIA WATER SOLUT

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 20A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2386 DE 27-09-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.