NO20023711L - Boiling Process - Google Patents

Boiling Process

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
Norwegian (no)
Other versions
NO20023711D0 (en
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/en
Publication of NO20023711L publication Critical 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

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.The present invention relates to a process for removing lignin from lignocellulosic material comprising treating the lignocellulosic material before a chemical boiling process with a delignifying gas, wherein the gas comprises chlorine dioxide.

NO20023711A 2000-02-09 2002-08-06 Boiling Process NO20023711L (en)

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 (en) 2002-08-06
NO20023711L true NO20023711L (en) 2002-10-04

Family

ID=26074189

Family Applications (2)

Application Number Title Priority Date Filing Date
NO20023711A NO20023711L (en) 2000-02-09 2002-08-06 Boiling Process
NO20023712A NO20023712L (en) 2000-02-09 2002-08-06 Boiling Process

Family Applications After (1)

Application Number Title Priority Date Filing Date
NO20023712A NO20023712L (en) 2000-02-09 2002-08-06 Boiling Process

Country Status (7)

Country Link
EP (2) EP1264038A2 (en)
JP (2) JP2003522844A (en)
AU (2) AU779711B2 (en)
CA (2) CA2399723A1 (en)
NO (2) NO20023711L (en)
NZ (1) NZ520518A (en)
WO (2) WO2001059203A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8003818B2 (en) 2004-12-23 2011-08-23 Shell Oil Company 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

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 (en) * 1981-10-27 1987-06-22 Mo Och Domsjoe Ab PROCEDURE FOR TREATMENT OF WOOD WITH NITROGEN OXIDES AND OBJECTIVE SULFATE COOKING
SU1416576A1 (en) * 1986-08-14 1988-08-15 Ленинградская лесотехническая академия им.С.М.Кирова Method of producing semi-finished cellulose product
SE466964B (en) * 1988-03-01 1992-05-04 Sca Pulp Ab PRE-TREATMENT OF CHIP MEDIUM SULFUR Dioxide DURING SULPHAT Pulp PREPARATION
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
BR9206366A (en) * 1991-08-23 1994-11-22 Olin Corp Process for delignifying wood pulp
FR2701274B1 (en) * 1993-02-09 1995-03-31 Air Liquide Process for the manufacture of bleached chemical thermal mechanical pulp (CTMP).

Also Published As

Publication number Publication date
WO2001059203A2 (en) 2001-08-16
NZ520518A (en) 2004-02-27
AU779711B2 (en) 2005-02-10
AU3256101A (en) 2001-08-20
EP1264037A2 (en) 2002-12-11
WO2001059203A3 (en) 2002-01-03
JP2003522845A (en) 2003-07-29
AU3256001A (en) 2001-08-20
WO2001059202A2 (en) 2001-08-16
EP1264038A2 (en) 2002-12-11
JP2003522844A (en) 2003-07-29
AU778689B2 (en) 2004-12-16
NO20023712D0 (en) 2002-08-06
WO2001059202A3 (en) 2002-01-03
NO20023712L (en) 2002-10-04
CA2399723A1 (en) 2001-08-16
CA2399772A1 (en) 2001-08-16
NO20023711D0 (en) 2002-08-06

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Legal Events

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