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BR9915731A - Process and composition for water recycling - Google Patents

Process and composition for water recycling

Info

Publication number
BR9915731A
BR9915731A BR9915731-4A BR9915731A BR9915731A BR 9915731 A BR9915731 A BR 9915731A BR 9915731 A BR9915731 A BR 9915731A BR 9915731 A BR9915731 A BR 9915731A
Authority
BR
Brazil
Prior art keywords
flocculants
water
composition
separating
relates
Prior art date
Application number
BR9915731-4A
Other languages
Portuguese (pt)
Inventor
Jean Wevers
Joost Ignace Dewaele
Tim Joris Maria Van Hauwermeiren
Meleksima Togay
Philip Frank Souter
Lucresse Gemma Van Wonterghem
Original Assignee
Procter & Gamble
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
Priority claimed from GB9824398A external-priority patent/GB2343446A/en
Priority claimed from GB9915626A external-priority patent/GB2351730A/en
Application filed by Procter & Gamble filed Critical Procter & Gamble
Publication of BR9915731A publication Critical patent/BR9915731A/en

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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/547—Tensides
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/002—Grey water, e.g. from clothes washers, showers or dishwashers

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)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Detergent Compositions (AREA)

Abstract

Patente de Invenção: "PROCESSO E COMPOSIçãO PARARECICLO DE áGUA". A invenção refere-se a um processo parapurificação de água residual de processos domésticos paralavagem de roupas e reutilização da água, preferivelmente nasetapas de lavagem ou enxág³e. O processo utiliza floculantes pararemoção de sujidades por formação de flocos e separação. Ainvenção também refere-se às composições para purificação deágua compreendendo floculantes primário e secundário paraadições simultaneamente ou de forma preferida seq³encialmentepara uso nos processos reivindicados, kits contendo dosagensunitárias de floculantes, aparelhos para separação de flocos daágua tratada e composições detergentes compreendendo osfloculantes.Invention Patent: "PROCESS AND COMPOSITION FOR WATER PARECECLO". The invention relates to a process for purifying residual water from domestic processes for washing clothes and reusing water, preferably in the washing or rinsing steps. The process uses flocculants to remove dirt by forming flakes and separating. The invention also relates to water purification compositions comprising primary and secondary flocculants for additions simultaneously or preferably sequentially for use in the claimed processes, kits containing unit dosages of flocculants, apparatus for separating flakes from treated water and detergent compositions comprising flocculants.

BR9915731-4A 1998-11-07 1999-11-05 Process and composition for water recycling BR9915731A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9824398A GB2343446A (en) 1998-11-07 1998-11-07 Process and composition for water purification
GB9915626A GB2351730A (en) 1999-07-05 1999-07-05 Treatment of laundry water
PCT/US1999/026061 WO2000027759A2 (en) 1998-11-07 1999-11-05 Process and composition for water recycle

Publications (1)

Publication Number Publication Date
BR9915731A true BR9915731A (en) 2001-11-13

Family

ID=26314633

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9915731-4A BR9915731A (en) 1998-11-07 1999-11-05 Process and composition for water recycling

Country Status (4)

Country Link
CN (1) CN1248972C (en)
AU (1) AU1607000A (en)
BR (1) BR9915731A (en)
WO (1) WO2000027759A2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6827874B2 (en) 2000-06-27 2004-12-07 The Procter & Gamble Co. Water treatment compositions
EP1294644B1 (en) 2000-06-27 2010-07-14 The Procter & Gamble Company Water treatment compositions
PH12013501168A1 (en) * 2010-12-24 2013-07-15 Unilever Ip Holdings B V Water clarification composition and process
CN103282314B (en) * 2010-12-24 2016-09-14 荷兰联合利华有限公司 Water purification compositions and methods
WO2012084619A1 (en) * 2010-12-24 2012-06-28 Unilever Nv Flocculation process and device
US20130327361A1 (en) * 2010-12-24 2013-12-12 Sarmistha Biswas Flocculation process and device
CN104341032B (en) * 2013-08-02 2016-07-13 中国石油天然气股份有限公司 A coagulation treatment method for high-viscosity fracturing waste fluid in low-permeability oilfields
CN105585076A (en) * 2015-12-19 2016-05-18 杭州水处理技术研究开发中心有限公司 Anti-scaling technology achieved through semipermeable membrane
ES2869234T3 (en) 2017-06-19 2021-10-25 Unilever Ip Holdings B V Washing machine comprising a water purification system
CN108394976B (en) * 2018-03-30 2020-11-03 浙江大学 A kind of floating flocculant and preparation method thereof
GB202003005D0 (en) * 2020-03-02 2020-04-15 Aqua Bioscience Ltd Liquid treatment product and method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2466438A1 (en) * 1979-09-28 1981-04-10 Centre Tech Teinture Nettoyage Purificn. of laundry effluent for recycling - by coagulating and decanting after adding aluminium sulphate and anionic polyelectrolyte
GB8409410D0 (en) * 1984-04-11 1984-05-23 Hydro Int Ltd Water treatment
WO1988007026A1 (en) * 1986-01-16 1988-09-22 Kelet-Magyarorsza^´Gi Vizügyi Tervezo^" Va^´Llalat Process for treating microdispersed emulsions and liquids containing organic impurities
AU621032B2 (en) * 1986-08-04 1992-03-05 Continental Manufacturing & Sales Inc. Method for the treatment of sewage and other impure water

Also Published As

Publication number Publication date
AU1607000A (en) 2000-05-29
WO2000027759A2 (en) 2000-05-18
CN1248972C (en) 2006-04-05
CN1331659A (en) 2002-01-16
WO2000027759A3 (en) 2000-11-30

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Legal Events

Date Code Title Description
B07A Technical examination (opinion): publication of technical examination (opinion)
B07A Technical examination (opinion): publication of technical examination (opinion)
B09B Decision: refusal

Free format text: INDEFIRO O PRESENTE PEDIDO DE ACORDO COM OS ARTIGOS 8O E 13O DA LPI.