DE69817746T2 - Gemische von amphoteren Polymeren/Polyaminen für die Entfernung von Farbstoff und die Klärung von Abwassern aus Papiermaschinen - Google Patents

Gemische von amphoteren Polymeren/Polyaminen für die Entfernung von Farbstoff und die Klärung von Abwassern aus Papiermaschinen Download PDF

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Publication number
DE69817746T2
DE69817746T2 DE69817746T DE69817746T DE69817746T2 DE 69817746 T2 DE69817746 T2 DE 69817746T2 DE 69817746 T DE69817746 T DE 69817746T DE 69817746 T DE69817746 T DE 69817746T DE 69817746 T2 DE69817746 T2 DE 69817746T2
Authority
DE
Germany
Prior art keywords
polyamines
mixtures
wastewater treatment
amphoteric polymers
paper machines
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
DE69817746T
Other languages
English (en)
Other versions
DE69817746D1 (de
Inventor
Michael L Braden
Richard E Metzgar
Jitendra T Shah
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 DE69817746D1 publication Critical patent/DE69817746D1/de
Publication of DE69817746T2 publication Critical patent/DE69817746T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • C02F1/56—Macromolecular compounds
    • 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)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
DE69817746T 1997-12-18 1998-12-10 Gemische von amphoteren Polymeren/Polyaminen für die Entfernung von Farbstoff und die Klärung von Abwassern aus Papiermaschinen Expired - Fee Related DE69817746T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/993,229 US5961838A (en) 1997-12-18 1997-12-18 Amphoteric polymer/polyamine combinations for color removal and clarification of paper mill waste water

Publications (2)

Publication Number Publication Date
DE69817746D1 DE69817746D1 (de) 2003-10-09
DE69817746T2 true DE69817746T2 (de) 2004-10-07

Family

ID=25539271

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69817746T Expired - Fee Related DE69817746T2 (de) 1997-12-18 1998-12-10 Gemische von amphoteren Polymeren/Polyaminen für die Entfernung von Farbstoff und die Klärung von Abwassern aus Papiermaschinen

Country Status (10)

Country Link
US (1) US5961838A (de)
EP (1) EP0924167B1 (de)
JP (1) JPH11239795A (de)
AT (1) ATE248774T1 (de)
AU (1) AU9703298A (de)
CA (1) CA2255457A1 (de)
DE (1) DE69817746T2 (de)
ES (1) ES2206854T3 (de)
ID (1) ID22199A (de)
NZ (1) NZ333287A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6262168B1 (en) 1998-03-11 2001-07-17 Cytec Technology Corp. Aqueous dispersions
US6491827B1 (en) * 1999-02-12 2002-12-10 Steen Research, Llc Process for reducing true color in waste liquids
GB2364048A (en) * 2000-06-27 2002-01-16 Procter & Gamble Water treatment composition
US6627086B2 (en) * 2001-03-21 2003-09-30 Polymer Ventures, Inc. Methods of producing polyarylamines and using them for detackifying paint and removing color from aqueous systems
US20020179538A1 (en) * 2001-03-23 2002-12-05 Johnson Brian S. Polyamphoteric polymers for raw water treatment
KR100876116B1 (ko) * 2001-09-04 2008-12-26 도아고세이가부시키가이샤 조성물, 양성 고분자 응집제 및 이들의 용도
WO2010106167A1 (en) * 2009-03-20 2010-09-23 Vito Nv Surface-modified inorganic matrix and method for preparation thereof

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA731212A (en) * 1966-03-29 Nalco Chemical Company Coagulation process and apparatus therefor
US4089780A (en) * 1975-10-21 1978-05-16 Nalco Chemical Company Color removal process
US4374964A (en) * 1979-11-29 1983-02-22 Nalco Chemical Company Method of preparing high molecular weight polyamines
US4308149A (en) * 1980-07-14 1981-12-29 Nalco Chemical Company Branched/cross-linked cationic phenol-formaldehyde polymers useful in wastewater treatment
US4374102A (en) * 1981-11-13 1983-02-15 Nalco Chemical Company Polymers for controlling soda ash crystal formation
US4655934A (en) * 1985-09-12 1987-04-07 Nalco Chemical Company Dimeric aluminum compounds and their use
US5120797A (en) * 1985-12-03 1992-06-09 Nalco Chemical Company Sulfomethylamide-containing polymers
US4801388A (en) * 1986-03-21 1989-01-31 Nalco Chemical Company Modified acrylamide polymers used as scale inhibitors
GB9116702D0 (en) * 1991-08-02 1991-09-18 Allied Colloids Ltd Dewatering of aqueous suspensions
US5200089A (en) * 1991-08-12 1993-04-06 Nalco Chemical Company Pulp and paper mill wastewater color removal
US5292793A (en) * 1992-07-14 1994-03-08 Nalco Chemical Company Hydrophobic polyelectrolytes used in color removal
US5283306A (en) * 1992-08-26 1994-02-01 Nalco Chemical Company Hydrophobic polyelectrolytes used in removing color
US5435922A (en) * 1993-06-14 1995-07-25 Nalco Chemical Company Method of removing color from waste water using an aqueous dispersion polymer
US5413719A (en) * 1994-01-18 1995-05-09 Nalco Chemical Company Fluorescent tracer in a water treatment process
US5435921A (en) * 1994-05-09 1995-07-25 Nalco Chemical Company Vinylamine polymers and coagulants for removing color from paper mill effluents
US5552498A (en) * 1994-09-23 1996-09-03 Nalco Chemical Company Preparation of amphoteric acrylic acid copolymers suitable as oil-in-water emulsion breakers
US5554298A (en) * 1995-01-20 1996-09-10 Nalco Chemical Company Steel mill flume water treatment
US5601725A (en) * 1995-10-23 1997-02-11 Nalco Chemical Company Hydrophobically modified polymers for sludge dewatering
US5611934A (en) * 1995-12-18 1997-03-18 Hoechst Celanese Corporation Process for dye removal

Also Published As

Publication number Publication date
ATE248774T1 (de) 2003-09-15
DE69817746D1 (de) 2003-10-09
JPH11239795A (ja) 1999-09-07
ID22199A (id) 1999-09-16
CA2255457A1 (en) 1999-06-18
EP0924167B1 (de) 2003-09-03
EP0924167A2 (de) 1999-06-23
EP0924167A3 (de) 1999-07-07
US5961838A (en) 1999-10-05
NZ333287A (en) 2000-01-28
ES2206854T3 (es) 2004-05-16
AU9703298A (en) 1999-07-08

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication related to discontinuation of the patent is to be deleted
8339 Ceased/non-payment of the annual fee