BR9708094A - Processo para o controle de bactéria de micélio no tratamento de água de rejetio, e, utilização de ácido peracético em concentrações subletais para protozoários e invertebrados - Google Patents

Processo para o controle de bactéria de micélio no tratamento de água de rejetio, e, utilização de ácido peracético em concentrações subletais para protozoários e invertebrados

Info

Publication number
BR9708094A
BR9708094A BR9708094-2A BR9708094A BR9708094A BR 9708094 A BR9708094 A BR 9708094A BR 9708094 A BR9708094 A BR 9708094A BR 9708094 A BR9708094 A BR 9708094A
Authority
BR
Brazil
Prior art keywords
peracetic acid
pct
invertebrates
protozoa
treatment
Prior art date
Application number
BR9708094-2A
Other languages
English (en)
Inventor
Jyri Maunuksela
Gwenda Mcintyre
Original Assignee
Finnish Peroxides Ab Oy
Solvay
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 Finnish Peroxides Ab Oy, Solvay filed Critical Finnish Peroxides Ab Oy
Publication of BR9708094A publication Critical patent/BR9708094A/pt

Links

Classifications

    • 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
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Mushroom Cultivation (AREA)
  • Treatment Of Sludge (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Activated Sludge Processes (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)

Abstract

"PROCESSO PARA O CONTROLE DE BACTéRIA DE MICéLIO NO TRATAMENTO DE áGUA DE REJEITO, E, UTILIZAçãO DE áCIDO PERACéTICO EM CONCENTRAçõES SUBLETAIS PARA PROTOZOáRIOS E INVERTEBRADOS". O objetivo da invenção é o de oferecer um processo para controlar bactéria de micélio no tratamento de água de rejeito, processo esse no qual a água de rejeito é tratada com ácido peracético.
BR9708094-2A 1996-03-18 1997-03-18 Processo para o controle de bactéria de micélio no tratamento de água de rejetio, e, utilização de ácido peracético em concentrações subletais para protozoários e invertebrados BR9708094A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI961247A FI961247A0 (fi) 1996-03-18 1996-03-18 Foerfarande foer loesning av uppsvaellningsproblem i en avfalls vattenreningsanordning foer kontroll av traodartiga bakterier
PCT/FI1997/000175 WO1997034833A1 (en) 1996-03-18 1997-03-18 A method to solve the swelling sludge problem in waste treatment plants by controlling mycelium bacteria

Publications (1)

Publication Number Publication Date
BR9708094A true BR9708094A (pt) 2000-01-04

Family

ID=8545679

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9708094-2A BR9708094A (pt) 1996-03-18 1997-03-18 Processo para o controle de bactéria de micélio no tratamento de água de rejetio, e, utilização de ácido peracético em concentrações subletais para protozoários e invertebrados

Country Status (11)

Country Link
US (1) US6165364A (pt)
EP (1) EP0889853B1 (pt)
AT (1) ATE210606T1 (pt)
AU (1) AU718226B2 (pt)
BR (1) BR9708094A (pt)
CA (1) CA2252418C (pt)
DE (1) DE69709074T2 (pt)
ES (1) ES2169854T3 (pt)
FI (1) FI961247A0 (pt)
PT (1) PT889853E (pt)
WO (1) WO1997034833A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9703374D0 (sv) * 1997-09-18 1997-09-18 Astra Ab A new combination
EP1638895A2 (en) * 2003-06-20 2006-03-29 Rhodia UK Limited Uncoupling agents
GB0314363D0 (en) * 2003-06-20 2003-07-23 Thames Water Utilities Treatment of sewage sludge
WO2005123607A1 (en) * 2004-06-21 2005-12-29 Rhodia Uk Limited Improvement of sludge quality
GB2421239B (en) * 2004-12-20 2010-06-23 Rhodia Uk Ltd Treatment of sewage sludge
CN107720936A (zh) * 2017-11-28 2018-02-23 唐毅 提高污水处理效果的添加剂

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61204092A (ja) * 1985-03-06 1986-09-10 Mitsubishi Monsanto Chem Co 活性汚泥のバルキング防止剤及びそのバルキング防止方法
JPH0659476B2 (ja) * 1985-07-01 1994-08-10 味の素株式会社 活性汚泥処理法
DE3703824A1 (de) * 1987-02-07 1988-08-18 Thomae Gmbh Dr K Verfahren zur simultanen chemischen und biologischen beseitigung fester und fluessiger organischer abfaelle und vorrichtungen zur durchfuehrung dieses verfahrens
US5324432A (en) * 1993-06-17 1994-06-28 Nalco Chemical Company Treatment of process waters to destroy filamentous bacteria
CA2129489C (en) * 1993-08-05 2000-10-10 Judy G. Lazonby Method and composition for inhibiting growth of microorganisms including peracetic acid and a non-oxidizing biocide
US5624575A (en) * 1995-04-28 1997-04-29 Nalco Chemical Company Method for preventing microbial deposits in the papermaking process with ethylene oxide/propylene oxide copolymers
DE19531241A1 (de) * 1995-08-25 1997-02-27 Degussa Verfahren zur Desinfektion wäßriger Lösungen

Also Published As

Publication number Publication date
US6165364A (en) 2000-12-26
AU718226B2 (en) 2000-04-13
FI961247A0 (fi) 1996-03-18
DE69709074T2 (de) 2002-07-11
WO1997034833A1 (en) 1997-09-25
EP0889853B1 (en) 2001-12-12
CA2252418C (en) 2008-12-02
PT889853E (pt) 2002-06-28
DE69709074D1 (de) 2002-01-24
EP0889853A1 (en) 1999-01-13
ATE210606T1 (de) 2001-12-15
ES2169854T3 (es) 2002-07-16
AU2161197A (en) 1997-10-10
CA2252418A1 (en) 1997-09-25

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]
B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 17A 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 2258 DE 15-04-2014 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.