WO2001059202A3 - Pulping process - Google Patents

Pulping process Download PDF

Info

Publication number
WO2001059202A3
WO2001059202A3 PCT/SE2001/000256 SE0100256W WO0159202A3 WO 2001059202 A3 WO2001059202 A3 WO 2001059202A3 SE 0100256 W SE0100256 W SE 0100256W WO 0159202 A3 WO0159202 A3 WO 0159202A3
Authority
WO
WIPO (PCT)
Prior art keywords
pulping process
containing material
lignocellulose containing
gas
lignin
Prior art date
Application number
PCT/SE2001/000256
Other languages
French (fr)
Other versions
WO2001059202A2 (en
Inventor
Patrick S Bryant
John C Sokol
Original Assignee
Akzo Nobel Nv
Eka Chemicals Ab
Patrick S Bryant
John C Sokol
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 EP00850037A external-priority patent/EP1130155A1/en
Application filed by Akzo Nobel Nv, Eka Chemicals Ab, Patrick S Bryant, John C Sokol filed Critical Akzo Nobel Nv
Priority to AU32560/01A priority Critical patent/AU779711B2/en
Priority to JP2001558527A priority patent/JP2003522844A/en
Priority to EP01904735A priority patent/EP1264037A2/en
Priority to CA002399723A priority patent/CA2399723A1/en
Publication of WO2001059202A2 publication Critical patent/WO2001059202A2/en
Publication of WO2001059202A3 publication Critical patent/WO2001059202A3/en
Priority to NO20023711A priority patent/NO20023711L/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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/04—Pretreatment of the finely-divided materials before digesting with acid 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting

Landscapes

  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

The present invention relates to a process for the removal of lignin from lignocellulose containing material comprising treating the lignocellulose containing material prior to a chemical pulping process with a delignifying gas, wherein the gas comprises chlorine dioxide.
PCT/SE2001/000256 2000-02-09 2001-02-08 Pulping process WO2001059202A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU32560/01A AU779711B2 (en) 2000-02-09 2001-02-08 Pulping process
JP2001558527A JP2003522844A (en) 2000-02-09 2001-02-08 Pulping method
EP01904735A EP1264037A2 (en) 2000-02-09 2001-02-08 Pulping process
CA002399723A CA2399723A1 (en) 2000-02-09 2001-02-08 Pulping process
NO20023711A NO20023711L (en) 2000-02-09 2002-08-06 Boiling Process

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US50138400A 2000-02-09 2000-02-09
US09/501,384 2000-02-09
EP00850037.3 2000-03-01
EP00850037A EP1130155A1 (en) 2000-03-01 2000-03-01 Pulping process

Publications (2)

Publication Number Publication Date
WO2001059202A2 WO2001059202A2 (en) 2001-08-16
WO2001059202A3 true WO2001059202A3 (en) 2002-01-03

Family

ID=26074189

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/SE2001/000256 WO2001059202A2 (en) 2000-02-09 2001-02-08 Pulping process
PCT/SE2001/000257 WO2001059203A2 (en) 2000-02-09 2001-02-08 Pulping process

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/SE2001/000257 WO2001059203A2 (en) 2000-02-09 2001-02-08 Pulping process

Country Status (7)

Country Link
EP (2) EP1264037A2 (en)
JP (2) JP2003522845A (en)
AU (2) AU778689B2 (en)
CA (2) CA2399772A1 (en)
NO (2) NO20023711L (en)
NZ (1) NZ520518A (en)
WO (2) WO2001059202A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101087749B (en) 2004-12-23 2010-06-09 国际壳牌研究有限公司 A process for the hydrogenation of a lactone or of a carboxylic acid or an ester having a gamma-carbonyl group
US20070034345A1 (en) * 2005-06-15 2007-02-15 Leonardus Petrus Process for organosolv pulping and use of a gamma lactone in a solvent for organosolv pulping
US8580978B2 (en) 2009-08-07 2013-11-12 Shell Oil Company Process for preparing a hydroxyacid or hydroxyester
EP3490989B1 (en) 2016-07-27 2020-09-09 Padlock Therapeutics, Inc. Covalent inhibitors of pad4
CN109972436A (en) * 2017-12-28 2019-07-05 北京小池原品科技有限公司 A kind of method of bamboo material manufacture paper for daily use

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB567774A (en) * 1942-08-24 1945-03-02 George Brainard Fowler Improvements in or relating to processes of treating cellulosic raw material, and the improved cellulosic fibres resulting therefrom
SU1416576A1 (en) * 1986-08-14 1988-08-15 Ленинградская лесотехническая академия им.С.М.Кирова Method of producing semi-finished cellulose product
WO1989008165A1 (en) * 1988-03-01 1989-09-08 Sca Pulp Ab Process for the pre-treatment of chips

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591451A (en) * 1969-02-06 1971-07-06 Ethyl Corp Pretreatment of vegetable matter and delignification of the refined matter with chloring dioxide
US4211605A (en) * 1978-08-03 1980-07-08 Canadian International Paper Company High yield chemimechanical pulping processes
SE450393B (en) * 1981-10-27 1987-06-22 Mo Och Domsjoe Ab PROCEDURE FOR TREATMENT OF WOOD WITH NITROGEN OXIDES AND OBJECTIVE SULFATE COOKING
FI85389C (en) * 1989-12-12 1992-04-10 Enso Gutzeit Oy Process for mass production
SE9002039D0 (en) * 1990-06-07 1990-06-07 Svenska Traeforskningsinst SAVE TO PREPARE
EP0651832B1 (en) * 1991-08-23 1998-01-07 Olin Corporation Process for gas phase delignifying wood pulp
FR2701274B1 (en) * 1993-02-09 1995-03-31 Air Liquide Process for the manufacture of bleached chemical thermal mechanical pulp (CTMP).

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB567774A (en) * 1942-08-24 1945-03-02 George Brainard Fowler Improvements in or relating to processes of treating cellulosic raw material, and the improved cellulosic fibres resulting therefrom
SU1416576A1 (en) * 1986-08-14 1988-08-15 Ленинградская лесотехническая академия им.С.М.Кирова Method of producing semi-finished cellulose product
WO1989008165A1 (en) * 1988-03-01 1989-09-08 Sca Pulp Ab Process for the pre-treatment of chips

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 198908, Derwent World Patents Index; Class F09, AN 1989-059880, XP002137869 *

Also Published As

Publication number Publication date
AU778689B2 (en) 2004-12-16
NO20023711L (en) 2002-10-04
NO20023712L (en) 2002-10-04
CA2399723A1 (en) 2001-08-16
JP2003522844A (en) 2003-07-29
JP2003522845A (en) 2003-07-29
AU779711B2 (en) 2005-02-10
AU3256101A (en) 2001-08-20
NZ520518A (en) 2004-02-27
EP1264038A2 (en) 2002-12-11
WO2001059203A2 (en) 2001-08-16
EP1264037A2 (en) 2002-12-11
AU3256001A (en) 2001-08-20
WO2001059202A2 (en) 2001-08-16
NO20023711D0 (en) 2002-08-06
NO20023712D0 (en) 2002-08-06
WO2001059203A3 (en) 2002-01-03
CA2399772A1 (en) 2001-08-16

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