DE69303370T2 - Methode zur reinigung von betriebswasser oder abwasser, das holzharz enthält - Google Patents

Methode zur reinigung von betriebswasser oder abwasser, das holzharz enthält

Info

Publication number
DE69303370T2
DE69303370T2 DE69303370T DE69303370T DE69303370T2 DE 69303370 T2 DE69303370 T2 DE 69303370T2 DE 69303370 T DE69303370 T DE 69303370T DE 69303370 T DE69303370 T DE 69303370T DE 69303370 T2 DE69303370 T2 DE 69303370T2
Authority
DE
Germany
Prior art keywords
water
purifying plant
containing wood
wood resin
waste water
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
DE69303370T
Other languages
English (en)
Other versions
DE69303370D1 (de
Inventor
Magnus Wretborn
Arne Andersson
Gert Goeransson
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.)
Nouryon Pulp and Performance Chemicals AB
Original Assignee
Eka Nobel AB
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 Eka Nobel AB filed Critical Eka Nobel AB
Publication of DE69303370D1 publication Critical patent/DE69303370D1/de
Application granted granted Critical
Publication of DE69303370T2 publication Critical patent/DE69303370T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • 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
    • C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
    • 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
    • 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
    • C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
    • 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

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Paper (AREA)
  • Processing Of Solid Wastes (AREA)
  • Physical Water Treatments (AREA)
  • Electrotherapy Devices (AREA)
  • Making Paper Articles (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)
  • Fertilizers (AREA)
  • Road Paving Structures (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
DE69303370T 1992-05-05 1993-04-28 Methode zur reinigung von betriebswasser oder abwasser, das holzharz enthält Expired - Fee Related DE69303370T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9201398A SE500783C2 (sv) 1992-05-05 1992-05-05 Sätt att rena vedhartsinnehållande process- eller avloppsvatten
PCT/SE1993/000373 WO1993022243A1 (en) 1992-05-05 1993-04-28 Method for purifying process water or wastewater containing wood resin

Publications (2)

Publication Number Publication Date
DE69303370D1 DE69303370D1 (de) 1996-08-01
DE69303370T2 true DE69303370T2 (de) 1996-12-05

Family

ID=20386137

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69303370T Expired - Fee Related DE69303370T2 (de) 1992-05-05 1993-04-28 Methode zur reinigung von betriebswasser oder abwasser, das holzharz enthält

Country Status (17)

Country Link
US (1) US5354479A (de)
EP (1) EP0639158B1 (de)
JP (1) JP2883203B2 (de)
KR (1) KR0163615B1 (de)
AT (1) ATE139753T1 (de)
AU (1) AU662979B2 (de)
BR (1) BR9306319A (de)
CA (1) CA2095180A1 (de)
DE (1) DE69303370T2 (de)
ES (1) ES2089817T3 (de)
FI (1) FI106852B (de)
NO (1) NO306394B1 (de)
NZ (1) NZ251911A (de)
RU (1) RU94046048A (de)
SE (1) SE500783C2 (de)
WO (1) WO1993022243A1 (de)
ZA (1) ZA933013B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9301160L (sv) * 1992-08-28 1994-03-01 Sunds Defibrator Ind Ab Förfarande för behandling av processvatten
SE9303762L (sv) * 1993-11-15 1995-05-16 Eka Nobel Ab Sätt att rena processvatten från massaframställning
SE504789C2 (sv) * 1994-02-21 1997-04-28 Kemira Kemi Ab Förfarande för tungmetalleliminering från bakvattensystem inom pappers- och pappersmassaindustrien
GB9800497D0 (en) * 1998-01-09 1998-03-04 Allied Colloids Ltd Dewatering of sludges
EP1652860B1 (de) * 2004-11-02 2008-10-15 Shin-Etsu Chemical Co., Ltd. Verfahren zur Abtrennung wasserlöslicher Celluloseether
PT103739B (pt) 2007-05-11 2009-07-07 Univ Tras Os Montes E Alto Dou Processo de produção de biomassa a partir de resíduos e efluentes industriais em particular dos sectores da madeira, cortiça e celulose

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US596669A (en) * 1898-01-04 twining
US3338828A (en) * 1964-07-29 1967-08-29 Joseph R Clark Purification of water supplies and aqueous wastes
SE357950B (de) * 1972-02-22 1973-07-16 Casco Ab
SE403782B (sv) * 1973-03-14 1978-09-04 Mo Och Domsjoe Ab Nonjoniska cellulosaetrar
SE454507B (sv) * 1986-11-21 1988-05-09 Berol Kemi Ab Sett att inom pappers-, massa- eller boardindustrin forbettra retention eller rening av cellulosafibersuspensioner resp avloppsvatten
SE459925B (sv) * 1987-12-23 1989-08-21 Boliden Ab Avskiljning av harts ur massaavlutar
CA2023735C (en) * 1990-08-21 1999-03-16 Robert Dennis Hodges Compositions and process for removing toxic resin acids and derivatives from effluent
US5104551A (en) * 1990-10-11 1992-04-14 The United States Of America As Represented By The Secretary Of The Interior Method of flocculating clay-containing waste slurries
US5230808A (en) * 1991-06-17 1993-07-27 Nalco Canada Inc. Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater
US5178770A (en) * 1991-07-12 1993-01-12 Nalco Canada Inc. Method of treating bctmp/ctmp wastewater

Also Published As

Publication number Publication date
AU4030593A (en) 1993-11-29
JPH07506154A (ja) 1995-07-06
DE69303370D1 (de) 1996-08-01
BR9306319A (pt) 1999-09-28
EP0639158B1 (de) 1996-06-26
FI932006A0 (fi) 1993-05-04
RU94046048A (ru) 1996-09-20
NO306394B1 (no) 1999-11-01
SE500783C2 (sv) 1994-09-05
KR0163615B1 (ko) 1998-11-16
AU662979B2 (en) 1995-09-21
SE9201398D0 (sv) 1992-05-05
FI106852B (fi) 2001-04-30
NO944189D0 (no) 1994-11-03
ES2089817T3 (es) 1996-10-01
CA2095180A1 (en) 1993-11-06
WO1993022243A1 (en) 1993-11-11
JP2883203B2 (ja) 1999-04-19
US5354479A (en) 1994-10-11
FI932006A (fi) 1993-11-06
SE9201398L (sv) 1993-11-06
NZ251911A (en) 1995-12-21
EP0639158A1 (de) 1995-02-22
ATE139753T1 (de) 1996-07-15
ZA933013B (en) 1993-11-05
KR950701297A (ko) 1995-03-23
NO944189L (no) 1994-11-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: EKA CHEMICALS AB, BOHUS, SE

8339 Ceased/non-payment of the annual fee