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 processInfo
- 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
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)
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)
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)
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). |
-
2001
- 2001-02-08 JP JP2001558528A patent/JP2003522845A/ja active Pending
- 2001-02-08 CA CA002399723A patent/CA2399723A1/fr not_active Abandoned
- 2001-02-08 WO PCT/SE2001/000256 patent/WO2001059202A2/fr active IP Right Grant
- 2001-02-08 WO PCT/SE2001/000257 patent/WO2001059203A2/fr active IP Right Grant
- 2001-02-08 NZ NZ520518A patent/NZ520518A/en not_active IP Right Cessation
- 2001-02-08 CA CA002399772A patent/CA2399772A1/fr not_active Abandoned
- 2001-02-08 AU AU32560/01A patent/AU779711B2/en not_active Ceased
- 2001-02-08 JP JP2001558527A patent/JP2003522844A/ja active Pending
- 2001-02-08 AU AU32561/01A patent/AU778689B2/en not_active Ceased
- 2001-02-08 EP EP01904735A patent/EP1264037A2/fr not_active Withdrawn
- 2001-02-08 EP EP01904736A patent/EP1264038A2/fr not_active Withdrawn
-
2002
- 2002-08-06 NO NO20023711A patent/NO20023711L/no not_active Application Discontinuation
- 2002-08-06 NO NO20023712A patent/NO20023712L/no not_active Application Discontinuation
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 |