DE69304082D1 - Verfahren zur herstellung von grünlauge bei der rückgewinnung von chemikalien in einer sulfat- und sulfitzellstoff-anlage - Google Patents

Verfahren zur herstellung von grünlauge bei der rückgewinnung von chemikalien in einer sulfat- und sulfitzellstoff-anlage

Info

Publication number
DE69304082D1
DE69304082D1 DE69304082T DE69304082T DE69304082D1 DE 69304082 D1 DE69304082 D1 DE 69304082D1 DE 69304082 T DE69304082 T DE 69304082T DE 69304082 T DE69304082 T DE 69304082T DE 69304082 D1 DE69304082 D1 DE 69304082D1
Authority
DE
Germany
Prior art keywords
liquor
combustion
smelt
pct
calcium
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
DE69304082T
Other languages
English (en)
Other versions
DE69304082T2 (de
Inventor
Jan Georg Liden
Leif Ingemar Andersson
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.)
Mo och Domsjo AB
Original Assignee
Mo och Domsjo 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 Mo och Domsjo AB filed Critical Mo och Domsjo AB
Publication of DE69304082D1 publication Critical patent/DE69304082D1/de
Application granted granted Critical
Publication of DE69304082T2 publication Critical patent/DE69304082T2/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
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • 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
    • D21C11/0085—Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
    • 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
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/03—Papermaking liquor

Landscapes

  • Paper (AREA)
  • Fertilizers (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69304082T 1992-12-03 1993-11-29 Verfahren zur herstellung von grünlauge bei der rückgewinnung von chemikalien in einer sulfat- und sulfitzellstoff-anlage Expired - Fee Related DE69304082T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9203634A SE500660C2 (sv) 1992-12-03 1992-12-03 Förfarande för framställning av grönlut vid kemikalieåtervinning i sulfat- och sulfitmassafabriker
PCT/SE1993/001028 WO1994012723A1 (en) 1992-12-03 1993-11-29 A method of producing green liquor in chemical recovery in sulfate and sulfite pulp mills

Publications (2)

Publication Number Publication Date
DE69304082D1 true DE69304082D1 (de) 1996-09-19
DE69304082T2 DE69304082T2 (de) 1997-03-06

Family

ID=20388008

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69304082T Expired - Fee Related DE69304082T2 (de) 1992-12-03 1993-11-29 Verfahren zur herstellung von grünlauge bei der rückgewinnung von chemikalien in einer sulfat- und sulfitzellstoff-anlage

Country Status (13)

Country Link
US (1) US5628875A (de)
EP (1) EP0672211B1 (de)
JP (1) JP3278746B2 (de)
AT (1) ATE141354T1 (de)
AU (1) AU667612B2 (de)
CA (1) CA2150243C (de)
DE (1) DE69304082T2 (de)
ES (1) ES2091127T3 (de)
FI (1) FI110129B (de)
NO (1) NO306566B1 (de)
NZ (1) NZ258661A (de)
SE (1) SE500660C2 (de)
WO (1) WO1994012723A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9202419D0 (sv) * 1992-08-24 1992-08-24 Eka Nobel Ab Reduction of chloride in pulping chemical recovery systems
FI96879C (fi) * 1994-03-15 1999-07-14 Ahlstrom Machinery Oy Menetelmä ja laite viherlipeän käsittelemiseksi
SE9401663L (sv) * 1994-05-13 1995-06-12 Kvaerner Pulping Tech Förfarande för att fälla magnesium med aluminium vid grönlutsklarning
US5683993A (en) * 1995-06-22 1997-11-04 Ciba Vision Corporation Compositions and methods for stabilizing polymers
CN1225586C (zh) * 2002-02-09 2005-11-02 艾栋 改进的造纸黑液碱回收新工艺
SE524247C2 (sv) * 2002-11-25 2004-07-13 Kvaerner Pulping Tech Metod vid produktion av grönlut
US7735435B2 (en) * 2006-05-24 2010-06-15 Diamond Power International, Inc. Apparatus for cleaning a smelt spout of a combustion device
FI122237B (fi) * 2007-06-15 2011-10-31 Andritz Oy Menetelmä nestevirtojen käsittelemiseksi sellutehtaalla
SE533833C2 (sv) 2009-04-02 2011-02-01 Cleanflow Ab Metod och anordning för klarning av grönlut
CN104066885B (zh) * 2011-11-04 2015-10-21 维美德公司 苛化工艺制备白液的方法
SE541161C2 (en) 2017-11-17 2019-04-23 Valmet Oy Green liquor clarification using sedimentation tank during white liquor preparation
FI129877B (en) * 2018-02-16 2022-10-14 Upm Kymmene Corp Method for treating calcium-containing solid sidestream material
FI130092B (en) * 2019-08-22 2023-01-31 Valmet Technologies Oy Method and system for regulating pH in green liquor sludge

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3366535A (en) * 1966-07-11 1968-01-30 William T Neiman Process for regenerating waste liquor for reuse in kraft pulping operation
SE456254B (sv) * 1987-02-12 1988-09-19 Korsnes Ab Sett att rena gronlut i sulfatmassafabrikers kemikalieatervinning
SE467465C (sv) * 1990-11-21 2002-01-15 Caustec Ab Förfarande för att ge grönlut förbättrade sedimenterings- och filtreringsegenskaper
SE505270C2 (sv) * 1993-06-04 1997-07-28 Korsnaes Ab Svartlutsförbränning med mesatillsats

Also Published As

Publication number Publication date
NZ258661A (en) 1996-06-25
SE9203634D0 (sv) 1992-12-03
AU667612B2 (en) 1996-03-28
CA2150243A1 (en) 1994-06-09
FI952700A (fi) 1995-06-02
SE500660C2 (sv) 1994-08-01
ATE141354T1 (de) 1996-08-15
JPH08504006A (ja) 1996-04-30
EP0672211A1 (de) 1995-09-20
US5628875A (en) 1997-05-13
FI952700A0 (fi) 1995-06-02
SE9203634L (sv) 1994-06-04
CA2150243C (en) 2006-01-31
WO1994012723A1 (en) 1994-06-09
NO952216D0 (no) 1995-06-02
ES2091127T3 (es) 1996-10-16
NO306566B1 (no) 1999-11-22
FI110129B (fi) 2002-11-29
EP0672211B1 (de) 1996-08-14
DE69304082T2 (de) 1997-03-06
JP3278746B2 (ja) 2002-04-30
AU5662394A (en) 1994-06-22
NO952216L (no) 1995-06-02

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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