DE69414916D1 - Mittel zur Entfernung von farbigem Material und seine Verwendung - Google Patents

Mittel zur Entfernung von farbigem Material und seine Verwendung

Info

Publication number
DE69414916D1
DE69414916D1 DE69414916T DE69414916T DE69414916D1 DE 69414916 D1 DE69414916 D1 DE 69414916D1 DE 69414916 T DE69414916 T DE 69414916T DE 69414916 T DE69414916 T DE 69414916T DE 69414916 D1 DE69414916 D1 DE 69414916D1
Authority
DE
Germany
Prior art keywords
colored material
removing colored
colored
Prior art date
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 - Fee Related
Application number
DE69414916T
Other languages
English (en)
Other versions
DE69414916T2 (de
Inventor
Manian Ramesh
Chandrashekar S Shetty
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.)
ChampionX LLC
Original Assignee
Nalco Chemical Co
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 Nalco Chemical Co filed Critical Nalco Chemical Co
Application granted granted Critical
Publication of DE69414916D1 publication Critical patent/DE69414916D1/de
Publication of DE69414916T2 publication Critical patent/DE69414916T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/917—Color
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/928—Paper mill waste, e.g. white water, black liquor treated

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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
DE69414916T 1993-06-14 1994-06-13 Mittel zur Entfernung von farbigem Material und seine Verwendung Expired - Fee Related DE69414916T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/077,235 US5435922A (en) 1993-06-14 1993-06-14 Method of removing color from waste water using an aqueous dispersion polymer

Publications (2)

Publication Number Publication Date
DE69414916D1 true DE69414916D1 (de) 1999-01-14
DE69414916T2 DE69414916T2 (de) 1999-08-05

Family

ID=22136874

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69414916T Expired - Fee Related DE69414916T2 (de) 1993-06-14 1994-06-13 Mittel zur Entfernung von farbigem Material und seine Verwendung

Country Status (4)

Country Link
US (1) US5435922A (de)
EP (1) EP0629583B1 (de)
DE (1) DE69414916T2 (de)
FI (1) FI111377B (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9423452D0 (en) * 1994-11-21 1995-01-11 Allied Colloids Ltd Processes for reducing contamination of cellulosic liquors
US5624569A (en) * 1996-01-23 1997-04-29 Nalco Chemical Company Clarification of deinking process water
US5938937A (en) * 1995-08-16 1999-08-17 Nalco Chemical Company Hydrophilic dispersion polymers for treating wastewater
US6025426A (en) * 1995-08-16 2000-02-15 Nalco Chemical Company Process for preparing hydrophilic dispersion polymers for treating wastewater
US6702946B1 (en) 1996-10-03 2004-03-09 Cytec Technology Corp. Aqueous dispersions
US5919854A (en) * 1996-10-03 1999-07-06 Cytec Technology Corp. Process for preparing aqueous dispersions
US5843320A (en) * 1996-10-03 1998-12-01 Cytec Technology Corp. Aqueous dispersions
US6608124B1 (en) 1996-10-03 2003-08-19 Cytec Technology Corp. Aqueous dispersions
US5792366A (en) * 1996-10-03 1998-08-11 Cytec Technology Corp. Aqueous dispersions
US6664326B1 (en) 1996-10-03 2003-12-16 Cytec Technology Corp. Aqueous dispersions
US5696228A (en) * 1996-10-03 1997-12-09 Cytec Technology Corp. Process for producing substantially dry polymer particles from aqueous dispersions
US6426383B1 (en) 1997-05-28 2002-07-30 Nalco Chemical Company Preparation of water soluble polymer dispersions from vinylamide monomers
US5961838A (en) * 1997-12-18 1999-10-05 Nalco Chemical Company Amphoteric polymer/polyamine combinations for color removal and clarification of paper mill waste water
WO1999055625A1 (en) * 1998-04-24 1999-11-04 Nalco Chemical Company Use of polymer dispersions for paper mill color removal
US6466317B1 (en) 1999-02-12 2002-10-15 Steen Research, Llc. Automatic real time monitoring of true color in waste liquids
US6491827B1 (en) 1999-02-12 2002-12-10 Steen Research, Llc Process for reducing true color in waste liquids
US8900641B2 (en) 2006-12-28 2014-12-02 Nalco Company Antimicrobial composition
DE102010038062B9 (de) 2010-10-08 2013-08-22 Messphysik Materials Testing Gmbh Ortsbestimmung und Bestimmung der Verschiebung von Orten durch berührungslose Abstandsmessung bei einer Materialprüfung
CN102963969B (zh) * 2012-12-11 2014-01-08 常州大学 一种高效污水处理絮凝剂及其制备方法
US8992688B2 (en) * 2013-03-10 2015-03-31 Ecolab Usa Inc. Lignin separation from lignocellulosic hydrolizates and acidified pulp mill liquors
WO2017214616A1 (en) 2016-06-10 2017-12-14 Ecolab Usa Inc. Low molecular weight dry powder polymer for use as paper-making dry strength agent
BR112020001752B1 (pt) 2017-07-31 2024-01-09 Ecolab Usa Inc Método para incorporar um auxiliar de resistência de polímero de baixo peso molecular em um processo de fabricação de papel
EP3724265A1 (de) 2017-12-13 2020-10-21 Ecolab USA Inc. Lösung mit einem assoziativen polymer und einem cyclodextrinpolymer

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3578587A (en) * 1970-01-05 1971-05-11 Nalco Chemical Co Color removal process
US4151202A (en) * 1976-03-01 1979-04-24 Nalco Chemical Company Preparation of diallyl dimethyl ammonium chloride and polydiallyl dimethyl ammonium chloride
DE3111615A1 (de) * 1981-03-25 1982-10-07 Basf Ag, 6700 Ludwigshafen Verfahren zur entfernung von anionischen verbindungen aus wasser
JPS60229959A (ja) * 1984-04-28 1985-11-15 Mitsui Toatsu Chem Inc 被覆された無機固体物質の製法
US4734473A (en) * 1984-06-15 1988-03-29 Nalco Chemical Company Water-soluble cationic quaternary ammonium monomers
US4769432A (en) * 1984-06-15 1988-09-06 Nalco Chemical Company Water-soluble quaternary cationic monomers
CA1267483A (en) * 1984-11-19 1990-04-03 Hisao Takeda Process for the production of a water-soluble polymer dispersion
US4802992A (en) * 1985-06-03 1989-02-07 Nalco Chemical Company Removal of dispersed oil from water
US4715962A (en) * 1986-08-15 1987-12-29 Nalco Chemical Company Ampholytic diallyldimethyl ammonium chloride (DADMAC) copolymers and terpolymers for water clarification
GB2211180B (en) * 1987-09-10 1991-05-22 Chemisolv Ltd Treating effluent from a paper or board manufacturing process
CA1321851C (en) * 1988-01-11 1993-08-31 Kathleen Anne Hughes Process for preparing functionalized polymeric compositions
US4851128A (en) * 1988-10-11 1989-07-25 Nalco Chemical Company Pulp mill waste color removal with carbon absorbents
JPH0651755B2 (ja) * 1988-10-14 1994-07-06 ハイモ株式会社 水溶性カチオンポリマー分散液の製造方法
US4968435A (en) * 1988-12-19 1990-11-06 American Cyanamid Company Cross-linked cationic polymeric microparticles
US5152903A (en) * 1988-12-19 1992-10-06 American Cyanamid Company Cross-linked cationic polymeric microparticles
US5006596A (en) * 1990-02-09 1991-04-09 Betz Laboratories, Inc. Self-inverting, water-in-oil emulsions
US5137641A (en) * 1991-03-04 1992-08-11 Nalco Chemical Company Cationic polymers for sludge dewatering
US5200089A (en) * 1991-08-12 1993-04-06 Nalco Chemical Company Pulp and paper mill wastewater color removal
US5209854A (en) * 1992-06-29 1993-05-11 Nalco Chemical Company Pulp waste color removal with diallyl dimethyl ammonium chloride copolymers

Also Published As

Publication number Publication date
FI111377B (fi) 2003-07-15
FI942699A0 (fi) 1994-06-08
FI942699A (fi) 1994-12-15
DE69414916T2 (de) 1999-08-05
EP0629583B1 (de) 1998-12-02
US5435922A (en) 1995-07-25
EP0629583A3 (de) 1995-11-02
EP0629583A2 (de) 1994-12-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee