CA2399772A1 - Procede de reduction en pate - Google Patents

Procede de reduction en pate Download PDF

Info

Publication number
CA2399772A1
CA2399772A1 CA002399772A CA2399772A CA2399772A1 CA 2399772 A1 CA2399772 A1 CA 2399772A1 CA 002399772 A CA002399772 A CA 002399772A CA 2399772 A CA2399772 A CA 2399772A CA 2399772 A1 CA2399772 A1 CA 2399772A1
Authority
CA
Canada
Prior art keywords
gas
chlorine dioxide
containing material
process according
lignocellulose containing
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
CA002399772A
Other languages
English (en)
Inventor
Patrick S. Bryant
John C. Sokol
Dwane S. Hutto
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.)
Akzo Nobel NV
Original Assignee
Individual
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/fr
Application filed by Individual filed Critical Individual
Publication of CA2399772A1 publication Critical patent/CA2399772A1/fr
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
    • 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

La présente invention concerne un procédé permettant d'enlever la lignine de lignocellulose contenant de la matière. Avant le procédé de réduction en pâte à haut rendement, on traite la lignocellulose contenant de la matière avec un gaz de délignification contenant des composés gazeux renfermant au moins un atome d'oxygène, tel qu'un gaz contenant du bioxyde de chlore.
CA002399772A 2000-02-09 2001-02-08 Procede de reduction en pate Abandoned CA2399772A1 (fr)

Applications Claiming Priority (5)

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 (fr) 2000-03-01 2000-03-01 Procédé de délignification
PCT/SE2001/000257 WO2001059203A2 (fr) 2000-02-09 2001-02-08 Procede de reduction en pate

Publications (1)

Publication Number Publication Date
CA2399772A1 true CA2399772A1 (fr) 2001-08-16

Family

ID=26074189

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002399723A Abandoned CA2399723A1 (fr) 2000-02-09 2001-02-08 Procede de reduction en pate
CA002399772A Abandoned CA2399772A1 (fr) 2000-02-09 2001-02-08 Procede de reduction en pate

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002399723A Abandoned CA2399723A1 (fr) 2000-02-09 2001-02-08 Procede de reduction en pate

Country Status (7)

Country Link
EP (2) EP1264037A2 (fr)
JP (2) JP2003522845A (fr)
AU (2) AU778689B2 (fr)
CA (2) CA2399723A1 (fr)
NO (2) NO20023711L (fr)
NZ (1) NZ520518A (fr)
WO (2) WO2001059202A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE527230T1 (de) 2004-12-23 2011-10-15 Shell Int Research Verfahren zur hydrierung eines lactons oder einer carbonsäure oder eines esters mit einer gamma- carbonylgruppe
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
WO2018022897A1 (fr) 2016-07-27 2018-02-01 Padlock Therapeutics, Inc. Inhibiteurs covalents de pad4
CN109972436A (zh) * 2017-12-28 2019-07-05 北京小池原品科技有限公司 一种竹料制造生活用纸的方法

Family Cites Families (10)

* 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
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 (sv) * 1981-10-27 1987-06-22 Mo Och Domsjoe Ab Forfarande for behandling av ved med kveveoxider och syrgas fore sulfatkokning
SU1416576A1 (ru) * 1986-08-14 1988-08-15 Ленинградская лесотехническая академия им.С.М.Кирова Способ получени целлюлозного полуфабриката
SE466964B (sv) * 1988-03-01 1992-05-04 Sca Pulp Ab Foerbehandling av flis medelst svaveldioxid vid framstaellning av sulfatmassa
FI85389C (fi) * 1989-12-12 1992-04-10 Enso Gutzeit Oy Foerfarande foer tillverkning av massa.
SE9002039D0 (sv) * 1990-06-07 1990-06-07 Svenska Traeforskningsinst Saett att framstaella massa
AU655842B2 (en) * 1991-08-23 1995-01-12 Olin Corporation Delignifying wood pulp
FR2701274B1 (fr) * 1993-02-09 1995-03-31 Air Liquide Procédé de fabrication de pâtes à papier chimicothermomécaniques blanchies (CTMP).

Also Published As

Publication number Publication date
WO2001059203A3 (fr) 2002-01-03
AU3256001A (en) 2001-08-20
WO2001059202A2 (fr) 2001-08-16
AU778689B2 (en) 2004-12-16
CA2399723A1 (fr) 2001-08-16
NO20023712D0 (no) 2002-08-06
NO20023712L (no) 2002-10-04
JP2003522844A (ja) 2003-07-29
NZ520518A (en) 2004-02-27
EP1264037A2 (fr) 2002-12-11
JP2003522845A (ja) 2003-07-29
NO20023711L (no) 2002-10-04
NO20023711D0 (no) 2002-08-06
AU3256101A (en) 2001-08-20
EP1264038A2 (fr) 2002-12-11
WO2001059202A3 (fr) 2002-01-03
WO2001059203A2 (fr) 2001-08-16
AU779711B2 (en) 2005-02-10

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