NO20023711L - Kokeprosess - Google Patents

Kokeprosess

Info

Publication number
NO20023711L
NO20023711L NO20023711A NO20023711A NO20023711L NO 20023711 L NO20023711 L NO 20023711L NO 20023711 A NO20023711 A NO 20023711A NO 20023711 A NO20023711 A NO 20023711A NO 20023711 L NO20023711 L NO 20023711L
Authority
NO
Norway
Prior art keywords
boiling process
lignocellulosic material
gas
treating
chlorine dioxide
Prior art date
Application number
NO20023711A
Other languages
English (en)
Other versions
NO20023711D0 (no
Inventor
John C Sokol
Patrick S Bryant
Original Assignee
Akzo Nobel Nv
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 filed Critical Akzo Nobel Nv
Publication of NO20023711D0 publication Critical patent/NO20023711D0/no
Publication of NO20023711L publication Critical patent/NO20023711L/no

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

Foreliggende oppfinnelse vedrører en fremgangsmåte for fjerning av lignin fra lignocelluloseholdig materiale omfattende å behandle det lignocelluloseholdige materiale før en kjemisk kokeprosess med en delignifiserende gass, hvori gassen omfatter klordioksid.
NO20023711A 2000-02-09 2002-08-06 Kokeprosess NO20023711L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US50138400A 2000-02-09 2000-02-09
EP00850037A EP1130155A1 (en) 2000-03-01 2000-03-01 Pulping process
PCT/SE2001/000256 WO2001059202A2 (en) 2000-02-09 2001-02-08 Pulping process

Publications (2)

Publication Number Publication Date
NO20023711D0 NO20023711D0 (no) 2002-08-06
NO20023711L true NO20023711L (no) 2002-10-04

Family

ID=26074189

Family Applications (2)

Application Number Title Priority Date Filing Date
NO20023711A NO20023711L (no) 2000-02-09 2002-08-06 Kokeprosess
NO20023712A NO20023712L (no) 2000-02-09 2002-08-06 Kokeprosess

Family Applications After (1)

Application Number Title Priority Date Filing Date
NO20023712A NO20023712L (no) 2000-02-09 2002-08-06 Kokeprosess

Country Status (7)

Country Link
EP (2) EP1264037A2 (no)
JP (2) JP2003522845A (no)
AU (2) AU779711B2 (no)
CA (2) CA2399723A1 (no)
NO (2) NO20023711L (no)
NZ (1) NZ520518A (no)
WO (2) WO2001059202A2 (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1828095B1 (en) 2004-12-23 2011-10-05 Shell Internationale Research Maatschappij B.V. 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
CN109790162B (zh) 2016-07-27 2022-06-28 帕德罗科治疗公司 Pad4的共价抑制剂
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
EP0651832B1 (en) * 1991-08-23 1998-01-07 Olin Corporation Process for gas phase 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
EP1264038A2 (en) 2002-12-11
WO2001059203A3 (en) 2002-01-03
JP2003522845A (ja) 2003-07-29
WO2001059202A2 (en) 2001-08-16
AU779711B2 (en) 2005-02-10
CA2399772A1 (en) 2001-08-16
NZ520518A (en) 2004-02-27
NO20023712L (no) 2002-10-04
AU3256101A (en) 2001-08-20
AU778689B2 (en) 2004-12-16
JP2003522844A (ja) 2003-07-29
AU3256001A (en) 2001-08-20
EP1264037A2 (en) 2002-12-11
WO2001059202A3 (en) 2002-01-03
CA2399723A1 (en) 2001-08-16
NO20023712D0 (no) 2002-08-06
NO20023711D0 (no) 2002-08-06
WO2001059203A2 (en) 2001-08-16

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application