AU9195598A - Polysulfide pulping process - Google Patents

Polysulfide pulping process

Info

Publication number
AU9195598A
AU9195598A AU91955/98A AU9195598A AU9195598A AU 9195598 A AU9195598 A AU 9195598A AU 91955/98 A AU91955/98 A AU 91955/98A AU 9195598 A AU9195598 A AU 9195598A AU 9195598 A AU9195598 A AU 9195598A
Authority
AU
Australia
Prior art keywords
pulping process
polysulfide pulping
polysulfide
pulping
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.)
Abandoned
Application number
AU91955/98A
Inventor
Mikael Lindstrom
Lars Stigsson
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.)
Metso Fiber Karlstad AB
Original Assignee
Kvaerner Pulping AB
Kvaerner Pulping Technologies 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
Priority claimed from SE9703365A external-priority patent/SE9703365D0/en
Application filed by Kvaerner Pulping AB, Kvaerner Pulping Technologies AB filed Critical Kvaerner Pulping AB
Publication of AU9195598A publication Critical patent/AU9195598A/en
Abandoned 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
    • D21C11/12—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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
    • 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
    • D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these compounds
    • 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
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds
AU91955/98A 1997-09-18 1998-09-17 Polysulfide pulping process Abandoned AU9195598A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
SE9703365A SE9703365D0 (en) 1997-09-18 1997-09-18 Method in connection with impregnation and digestion of lignocelulosic material
SE9703365 1997-09-18
US08992114 1997-12-17
US08/992,114 US6143130A (en) 1997-09-09 1997-12-17 Polysulfide pulping process
PCT/SE1998/001665 WO1999014423A1 (en) 1997-09-18 1998-09-17 Polysulfide pulping process

Publications (1)

Publication Number Publication Date
AU9195598A true AU9195598A (en) 1999-04-05

Family

ID=26663072

Family Applications (1)

Application Number Title Priority Date Filing Date
AU91955/98A Abandoned AU9195598A (en) 1997-09-18 1998-09-17 Polysulfide pulping process

Country Status (3)

Country Link
JP (1) JP4205855B2 (en)
AU (1) AU9195598A (en)
WO (1) WO1999014423A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI120361B (en) * 2003-12-31 2009-09-30 Gl & V Finance Hungary Kft Batch cooking process for the production of kraft pulp
US7828930B2 (en) * 2007-11-20 2010-11-09 International Paper Company Use of polysulfide in modified cooking
FI127420B (en) * 2011-06-23 2018-05-31 Andritz Oy Process for producing cellulose pulp
EP2751331B2 (en) 2011-08-30 2020-04-22 Valmet Aktiebolag Kraft cooking method using polysulfide cooking liquor
US9580864B2 (en) 2011-08-30 2017-02-28 Valmet Ab Kraft cooking method using polysulfide cooking liquor
RU2665424C1 (en) * 2014-08-26 2018-08-29 Вальмет Аб Economically effective method of sulfate variation with use of polysulphide cream

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3331732A (en) * 1962-12-17 1967-07-18 Mo Och Domsjoe Ab Method of removing hydrogen sulfide from an aqueous solution of alkali sulfide
US3650888A (en) * 1970-06-11 1972-03-21 Combustion Eng Pollution controlled polysulfide recovery process
US5234546A (en) * 1991-09-10 1993-08-10 Kamyr, Inc. Polysulfide production in white liquor
SE468600B (en) * 1991-12-16 1993-02-15 Chemrec Ab SET TO MAKE HIGH SULFIDITY COOKIES
SE506702C2 (en) * 1996-04-30 1998-02-02 Kvaerner Pulping Tech Pre-treatment of fiber material with in situ hydrogen sulphide

Also Published As

Publication number Publication date
WO1999014423A1 (en) 1999-03-25
JP4205855B2 (en) 2009-01-07
JP2003526740A (en) 2003-09-09

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase