NZ520518A - Process to remove lignin from lignocellulose material by first treating with a oxygen containing delignifying gas before a mechanical pulping process - Google Patents

Process to remove lignin from lignocellulose material by first treating with a oxygen containing delignifying gas before a mechanical pulping process

Info

Publication number
NZ520518A
NZ520518A NZ520518A NZ52051801A NZ520518A NZ 520518 A NZ520518 A NZ 520518A NZ 520518 A NZ520518 A NZ 520518A NZ 52051801 A NZ52051801 A NZ 52051801A NZ 520518 A NZ520518 A NZ 520518A
Authority
NZ
New Zealand
Prior art keywords
containing material
gas
chlorine dioxide
process according
lignocellulose containing
Prior art date
Application number
NZ520518A
Other languages
English (en)
Inventor
Patrick S Bryant
John C Sokol
Dwane S Hutto
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/fr
Application filed by Akzo Nobel Nv filed Critical Akzo Nobel Nv
Publication of NZ520518A publication Critical patent/NZ520518A/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)
NZ520518A 2000-02-09 2001-02-08 Process to remove lignin from lignocellulose material by first treating with a oxygen containing delignifying gas before a mechanical pulping process NZ520518A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US50138400A 2000-02-09 2000-02-09
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
NZ520518A true NZ520518A (en) 2004-02-27

Family

ID=26074189

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ520518A NZ520518A (en) 2000-02-09 2001-02-08 Process to remove lignin from lignocellulose material by first treating with a oxygen containing delignifying gas before a mechanical pulping process

Country Status (7)

Country Link
EP (2) EP1264037A2 (fr)
JP (2) JP2003522845A (fr)
AU (2) AU779711B2 (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
EP1828095B1 (fr) 2004-12-23 2011-10-05 Shell Internationale Research Maatschappij B.V. Procede d'hydrogenation d'une lactone ou d'un acide carboxylique ou d'un ester comprenant un groupe gamma-carbonyle
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 (fr) * 1991-08-23 1998-01-07 Olin Corporation Procede de delignification de pate de bois en phase gazeuse
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 (fr) 2002-12-11
WO2001059203A3 (fr) 2002-01-03
JP2003522845A (ja) 2003-07-29
WO2001059202A2 (fr) 2001-08-16
AU779711B2 (en) 2005-02-10
CA2399772A1 (fr) 2001-08-16
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
NO20023711L (no) 2002-10-04
EP1264037A2 (fr) 2002-12-11
WO2001059202A3 (fr) 2002-01-03
CA2399723A1 (fr) 2001-08-16
NO20023712D0 (no) 2002-08-06
NO20023711D0 (no) 2002-08-06
WO2001059203A2 (fr) 2001-08-16

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Legal Events

Date Code Title Description
PSEA Patent sealed
RENW Renewal (renewal fees accepted)
RENW Renewal (renewal fees accepted)
RENW Renewal (renewal fees accepted)
LAPS Patent lapsed