SE9403786L - Selektiv utvinning av kemikalier ur celluloaavlutar genom förgasning - Google Patents

Selektiv utvinning av kemikalier ur celluloaavlutar genom förgasning

Info

Publication number
SE9403786L
SE9403786L SE9403786A SE9403786A SE9403786L SE 9403786 L SE9403786 L SE 9403786L SE 9403786 A SE9403786 A SE 9403786A SE 9403786 A SE9403786 A SE 9403786A SE 9403786 L SE9403786 L SE 9403786L
Authority
SE
Sweden
Prior art keywords
chemicals
liquor
gasification
liquids
cellulose
Prior art date
Application number
SE9403786A
Other languages
Unknown language ( )
English (en)
Other versions
SE9403786D0 (sv
Inventor
Bengt Nilsson
Original Assignee
Kvaerner Pulping Tech
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 Kvaerner Pulping Tech filed Critical Kvaerner Pulping Tech
Priority to SE9403786A priority Critical patent/SE9403786L/sv
Publication of SE9403786D0 publication Critical patent/SE9403786D0/sv
Priority to JP8515233A priority patent/JPH10509481A/ja
Priority to PCT/SE1995/001219 priority patent/WO1996014468A1/en
Priority to CA002202753A priority patent/CA2202753A1/en
Priority to AU38845/95A priority patent/AU3884595A/en
Publication of SE9403786L publication Critical patent/SE9403786L/sv
Priority to FI971867A priority patent/FI971867A0/sv
Priority to US08/850,350 priority patent/US6030493A/en
Priority to US08/850,349 priority patent/US6027609A/en
Priority to US09/264,565 priority patent/US6238468B1/en

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
    • D21C11/12—Combustion of pulp liquors
    • D21C11/125—Decomposition of the pulp liquors in reducing atmosphere or in the absence of oxidants, i.e. gasification or pyrolysis
    • 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
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
    • 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
    • D21C11/12—Combustion of pulp liquors
    • D21C11/122—Treatment, e.g. dissolution, of the smelt
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Paper (AREA)
SE9403786A 1994-11-04 1994-11-04 Selektiv utvinning av kemikalier ur celluloaavlutar genom förgasning SE9403786L (sv)

Priority Applications (9)

Application Number Priority Date Filing Date Title
SE9403786A SE9403786L (sv) 1994-11-04 1994-11-04 Selektiv utvinning av kemikalier ur celluloaavlutar genom förgasning
JP8515233A JPH10509481A (ja) 1994-11-04 1995-10-18 セルロース廃液から化学薬品及びエネルギを回収する方法
PCT/SE1995/001219 WO1996014468A1 (en) 1994-11-04 1995-10-18 Selective recovery of chemicals from cellulose spent liquor by liquor gasifying
CA002202753A CA2202753A1 (en) 1994-11-04 1995-10-18 Selective recovery of chemicals from cellulose spent liquor by liquor gasifying
AU38845/95A AU3884595A (en) 1994-11-04 1995-10-18 Selective recovery of chemicals from cellulose spent liquor by liquor gasifying
FI971867A FI971867A0 (sv) 1994-11-04 1997-04-30 Selektivt tillvaratagande av kemikalier ur cellulosans avfallslösning genom förgasning av lösningen
US08/850,350 US6030493A (en) 1994-11-04 1997-05-02 Process for recovering chemicals and energy from cellulose spent liquor using multiple gasifiers
US08/850,349 US6027609A (en) 1994-11-04 1997-05-02 Pulp-mill recovery installation for recovering chemicals and energy from cellulose spent liquor using multiple gasifiers
US09/264,565 US6238468B1 (en) 1994-11-04 1999-03-08 Quench vessel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9403786A SE9403786L (sv) 1994-11-04 1994-11-04 Selektiv utvinning av kemikalier ur celluloaavlutar genom förgasning

Publications (2)

Publication Number Publication Date
SE9403786D0 SE9403786D0 (sv) 1994-11-04
SE9403786L true SE9403786L (sv) 1996-05-05

Family

ID=20395854

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9403786A SE9403786L (sv) 1994-11-04 1994-11-04 Selektiv utvinning av kemikalier ur celluloaavlutar genom förgasning

Country Status (6)

Country Link
JP (1) JPH10509481A (sv)
AU (1) AU3884595A (sv)
CA (1) CA2202753A1 (sv)
FI (1) FI971867A0 (sv)
SE (1) SE9403786L (sv)
WO (1) WO1996014468A1 (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6030493A (en) * 1994-11-04 2000-02-29 Kvaerner Pulping, Ab Process for recovering chemicals and energy from cellulose spent liquor using multiple gasifiers
DE19642162A1 (de) * 1996-10-12 1998-04-16 Krc Umwelttechnik Gmbh Verfahren zur Regeneration einer beim Kraftprozeß zum Aufschluß von Holz anfallenden Flüssigkeit unter gleichzeitiger Gewinnung von Energie
FI104335B (sv) * 1997-10-13 1999-12-31 Poeyry Jaakko & Co Oy Förfarande för återvinning av alkali och energi ur silikathaltig svartlut
SE9901185L (sv) * 1999-04-01 2000-03-20 Kvaerner Chemrec Ab Förfarande för kylning av fast och gasformigt material vid förgasning av avlut
WO2004005610A1 (en) 2002-07-04 2004-01-15 Kvaerner Power Oy Method for treatment of spent liquor
SE535117C2 (sv) * 2010-03-30 2012-04-17 Chemrec Ab Förgasning av sulfittjocklut

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3841962A (en) * 1972-07-31 1974-10-15 Mac Millan Bloedel Ltd Hydrogen sulfide pretreatment of lignocellulosic materials in alkaline pulping processes
SE448173B (sv) * 1985-06-03 1987-01-26 Croon Inventor Ab Forfarande for utvinning av kemikalier fran cellulosaavlut genom pyrolys
FI91290C (sv) * 1991-02-14 1994-06-10 Tampella Power Oy Förfarande och anordning för tillvaratagning av energi och kemikalier vid en sulfatcellulosaprocess
SE9103707L (sv) * 1991-12-16 1993-02-15 Chemrec Ab Saett att framstaella koklut med hoeg sulfiditet

Also Published As

Publication number Publication date
AU3884595A (en) 1996-05-31
WO1996014468A1 (en) 1996-05-17
CA2202753A1 (en) 1996-05-17
SE9403786D0 (sv) 1994-11-04
JPH10509481A (ja) 1998-09-14
FI971867A (sv) 1997-04-30
FI971867A0 (sv) 1997-04-30

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