FR2324731B1 - - Google Patents

Info

Publication number
FR2324731B1
FR2324731B1 FR7628056A FR7628056A FR2324731B1 FR 2324731 B1 FR2324731 B1 FR 2324731B1 FR 7628056 A FR7628056 A FR 7628056A FR 7628056 A FR7628056 A FR 7628056A FR 2324731 B1 FR2324731 B1 FR 2324731B1
Authority
FR
France
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.)
Expired
Application number
FR7628056A
Other languages
French (fr)
Other versions
FR2324731A1 (fr
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.)
Unilever NV
Original Assignee
Unilever NV
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 Unilever NV filed Critical Unilever NV
Publication of FR2324731A1 publication Critical patent/FR2324731A1/fr
Application granted granted Critical
Publication of FR2324731B1 publication Critical patent/FR2324731B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0042—Reducing agents
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Detergent Compositions (AREA)
FR7628056A 1975-09-19 1976-09-17 Composition de dithionite pouvant etre utilisee comme composition de nettoyage Granted FR2324731A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB38550/75A GB1496805A (en) 1975-09-19 1975-09-19 Dithionite composition

Publications (2)

Publication Number Publication Date
FR2324731A1 FR2324731A1 (fr) 1977-04-15
FR2324731B1 true FR2324731B1 (2) 1982-06-04

Family

ID=10404201

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7628056A Granted FR2324731A1 (fr) 1975-09-19 1976-09-17 Composition de dithionite pouvant etre utilisee comme composition de nettoyage

Country Status (10)

Country Link
US (1) US4082683A (2)
AT (1) AT346665B (2)
BE (1) BE846359A (2)
CA (1) CA1062999A (2)
CH (1) CH624077A5 (2)
DE (1) DE2641335A1 (2)
FR (1) FR2324731A1 (2)
GB (1) GB1496805A (2)
NL (1) NL7610230A (2)
SE (1) SE413782B (2)

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EP0639665A1 (de) * 1993-08-20 1995-02-22 Ciba-Geigy Ag Phosphatfreies Reduktionsbleichmittel
AU721064B2 (en) 1996-12-20 2000-06-22 Evoqua Water Technologies Llc Scouring method
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US6297208B1 (en) 1999-10-11 2001-10-02 Iron Out, Inc. Rust stain removal formula
AUPR421501A0 (en) * 2001-04-04 2001-05-03 U.S. Filter Wastewater Group, Inc. Potting method
AUPR692401A0 (en) * 2001-08-09 2001-08-30 U.S. Filter Wastewater Group, Inc. Method of cleaning membrane modules
DE60213184T2 (de) * 2001-11-16 2007-06-28 U.S. Filter Wastewater Group, Inc. Methode zur Reinigung von Membranen
US7247238B2 (en) 2002-02-12 2007-07-24 Siemens Water Technologies Corp. Poly(ethylene chlorotrifluoroethylene) membranes
AUPS300602A0 (en) 2002-06-18 2002-07-11 U.S. Filter Wastewater Group, Inc. Methods of minimising the effect of integrity loss in hollow fibre membrane modules
US7938966B2 (en) 2002-10-10 2011-05-10 Siemens Water Technologies Corp. Backwash method
AU2002953111A0 (en) 2002-12-05 2002-12-19 U. S. Filter Wastewater Group, Inc. Mixing chamber
BRPI0407426B1 (pt) * 2003-02-15 2015-08-04 Unilever Nv Método de foto-branqueamento de um artigo têxtil
US8268176B2 (en) * 2003-08-29 2012-09-18 Siemens Industry, Inc. Backwash
AU2004289373B2 (en) * 2003-11-14 2010-07-29 Evoqua Water Technologies Llc Improved module cleaning method
WO2005092799A1 (en) * 2004-03-26 2005-10-06 U.S. Filter Wastewater Group, Inc. Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis
AU2005240524C1 (en) 2004-04-22 2009-12-24 Evoqua Water Technologies Llc Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials
JP4958779B2 (ja) 2004-08-20 2012-06-20 シーメンス・ウォーター・テクノロジーズ・コーポレイション 正方形のｍｂｒマニホールド・システム
WO2006026814A1 (en) * 2004-09-07 2006-03-16 Siemens Water Technologies Corp. Reduction of backwash liquid waste
JP4896025B2 (ja) * 2004-09-14 2012-03-14 シーメンス・ウォーター・テクノロジーズ・コーポレイション 膜モジュールから固形分を除去するための方法および装置
JP4954880B2 (ja) * 2004-09-15 2012-06-20 シーメンス・ウォーター・テクノロジーズ・コーポレーション 連続的に変化する通気
US7591950B2 (en) 2004-11-02 2009-09-22 Siemens Water Technologies Corp. Submerged cross-flow filtration
EP1838422A4 (en) * 2004-12-24 2009-09-02 Siemens Water Tech Corp EASY GAS FLUSHING PROCESS AND APPROPRIATE DEVICE
WO2006066319A1 (en) * 2004-12-24 2006-06-29 Siemens Water Technologies Corp. Cleaning in membrane filtration systems
CN101128253B (zh) * 2005-01-14 2011-11-30 西门子工业公司 过滤系统
CN101184548B (zh) * 2005-04-29 2011-10-05 西门子水技术公司 用于膜滤器的化学清洗剂
JP2009504399A (ja) 2005-08-22 2009-02-05 シーメンス・ウォーター・テクノロジーズ・コーポレーション 管状マニホールドを使用して逆洗を最小化する水濾過のためのアセンブリ
WO2007044415A2 (en) 2005-10-05 2007-04-19 Siemens Water Technologies Corp. Method and apparatus for treating wastewater
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CN101321578B (zh) * 2005-12-09 2010-12-08 西门子水技术公司 减少反冲洗量的过程
US20090001018A1 (en) * 2006-01-12 2009-01-01 Fufang Zha Operating Strategies in Filtration Processes
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CN101511455B (zh) * 2006-08-31 2013-07-03 西门子工业公司 低压回洗
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US20100012585A1 (en) * 2007-02-16 2010-01-21 Fufang Zha Membrane filtration process and design
WO2008123972A1 (en) * 2007-04-02 2008-10-16 Siemens Water Technologies Corp. Improved infiltration/inflow control for membrane bioreactor
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
AU2008235254B2 (en) * 2007-04-04 2012-08-30 Evoqua Water Technologies Llc Membrane module protection
AU2008263139B2 (en) 2007-05-29 2011-08-25 Evoqua Water Technologies Llc Membrane cleaning with pulsed airlift pump
JP2010527773A (ja) * 2007-05-29 2010-08-19 シーメンス ウォーター テクノロジース コーポレイション エアリフトポンプを用いた膜洗浄
JP2010531218A (ja) * 2007-06-28 2010-09-24 シーメンス ウォーター テクノロジース コーポレイション 単純な濾過システム用の洗浄方法
EP2078070B1 (de) * 2007-11-12 2010-05-19 Pastaclean GmbH Reinigungspaste
EP2090676A1 (de) * 2008-02-01 2009-08-19 Ateco Services AG Verfahren zur Entfernung von Belägen und Ablagerungen
US8192550B2 (en) * 2008-02-01 2012-06-05 Ateco Services Ag Use of an aqueous neutral cleaning solution and method for removing rouging from stainless steel surfaces
JP2013500144A (ja) 2008-07-24 2013-01-07 シーメンス インダストリー インコーポレイテッド 濾過システムにおける濾過膜モジュールアレイに対して構造的支持を施すための方法および濾過システム
EP2313172A4 (en) * 2008-08-14 2013-03-13 Siemens Industry Inc BLOCK CONFIGURATION FOR DISTILLATION ON LARGE SCALE MEMBRANE
NZ591259A (en) * 2008-08-20 2013-02-22 Siemens Industry Inc A hollow membrane filter backwash system using gas pressurised at at least two pressures feed from the down stream side to push water through the filter to clean it
CN102481521B (zh) * 2009-06-02 2014-10-15 伊沃夸水处理技术有限责任公司 利用脉冲气栓和全局通风进行的膜清洁
AU2010101488B4 (en) * 2009-06-11 2013-05-02 Evoqua Water Technologies Llc Methods for cleaning a porous polymeric membrane and a kit for cleaning a porous polymeric membrane
ES2738898T3 (es) 2010-04-30 2020-01-27 Evoqua Water Tech Llc Dispositivo de distribución de flujo de fluido
CN101949019A (zh) * 2010-07-30 2011-01-19 刘思波 一种血液透析机液路系统除锈剂
AU2011305377B2 (en) 2010-09-24 2014-11-20 Evoqua Water Technologies Llc Fluid control manifold for membrane filtration system
CN103958034B (zh) 2011-09-30 2017-03-22 伊沃夸水处理技术有限责任公司 隔离阀
CA2850309C (en) 2011-09-30 2020-01-07 Evoqua Water Technologies Llc Improved manifold arrangement
US9533261B2 (en) 2012-06-28 2017-01-03 Evoqua Water Technologies Llc Potting method
AU2013231145B2 (en) 2012-09-26 2017-08-17 Evoqua Water Technologies Llc Membrane potting methods
CN104684631A (zh) 2012-09-26 2015-06-03 伊沃夸水处理技术有限责任公司 膜固定设备
EP2900356A1 (en) 2012-09-27 2015-08-05 Evoqua Water Technologies LLC Gas scouring apparatus for immersed membranes
EP3052221B1 (en) 2013-10-02 2022-12-14 Rohm & Haas Electronic Materials Singapore Pte. Ltd Device for repairing a membrane filtration module
WO2017011068A1 (en) 2015-07-14 2017-01-19 Evoqua Water Technologies Llc Aeration device for filtration system
DE102015114481B4 (de) 2015-08-31 2018-05-09 Nikolay Tzvetkov Tzvetkov Wässrig-neutrale derouging-, entrostungs-, passivierungs- und dekontaminierungslösungen und verfahren zu ihrer verwendung
DE102016107681A1 (de) * 2016-04-26 2017-10-26 Kerona Gmbh Substanz zum Lösen von Korrosionsschichten
US10830093B2 (en) * 2017-06-13 2020-11-10 General Electric Company System and methods for selective cleaning of turbine engine components

Family Cites Families (8)

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CA644507A (en) * 1962-07-10 Nalco Chemical Company Cleaning compositions and methods
NL74023C (2) * 1946-06-27
GB977112A (en) * 1960-03-03 1964-12-02 Rohm & Haas Removal of iron oxide
US3183191A (en) * 1960-04-19 1965-05-11 Hach Chemical Co Stain and rust removing composition
CA689396A (en) * 1961-05-26 1964-06-23 Colgate-Palmolive Company Compositions for and processes of removing stains
DE1926279A1 (de) * 1969-05-22 1970-11-26 Elma Ohg Chem Fab Dr Lehmann & Waschhilfsmittel
US3732171A (en) * 1970-09-14 1973-05-08 Morton Int Inc Composition and method for iron removal
US3773679A (en) * 1972-01-14 1973-11-20 Virginia Chemicals Inc Sodium dithionite solution stabilization

Also Published As

Publication number Publication date
ATA691276A (de) 1978-03-15
CA1062999A (en) 1979-09-25
BE846359A (fr) 1977-03-17
NL7610230A (nl) 1977-03-22
SE7610293L (sv) 1977-03-20
SE413782B (sv) 1980-06-23
GB1496805A (en) 1978-01-05
AT346665B (de) 1978-11-27
CH624077A5 (2) 1981-07-15
DE2641335A1 (de) 1977-03-24
US4082683A (en) 1978-04-04
FR2324731A1 (fr) 1977-04-15

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Legal Events

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ST Notification of lapse