JPH06501290A - 高コンシステンシー酸素脱リグニンのためのパルプアルカリ添加法 - Google Patents
高コンシステンシー酸素脱リグニンのためのパルプアルカリ添加法Info
- Publication number
- JPH06501290A JPH06501290A JP3509138A JP50913891A JPH06501290A JP H06501290 A JPH06501290 A JP H06501290A JP 3509138 A JP3509138 A JP 3509138A JP 50913891 A JP50913891 A JP 50913891A JP H06501290 A JPH06501290 A JP H06501290A
- Authority
- JP
- Japan
- Prior art keywords
- pulp
- consistency
- alkaline
- delignification
- amount
- 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.)
- Pending
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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/001—Modification of pulp properties
- D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
- D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Paper (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002069447A CA2069447C (fr) | 1991-04-18 | 1991-04-18 | Methode d'ajout d'alcali a la pate en vue de la delignification a l'oxygene de la pate a grande consistance |
PCT/US1991/002673 WO1992018689A1 (fr) | 1991-04-18 | 1991-04-18 | Procede d'addition de matieres alcalines a la pate a papier pour la delignification par oxygene d'une pate a consistance elevee |
CN91103486A CN1066308A (zh) | 1991-04-18 | 1991-04-30 | 用于高浓度氧脱木素作用的纸浆加碱法 |
SE9203801A SE9203801L (sv) | 1991-04-18 | 1992-12-17 | Massaframstaellningsfoerfarande med alkalitillsats foer tjockmassa-oxygendelignifiering |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH06501290A true JPH06501290A (ja) | 1994-02-10 |
Family
ID=27426917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3509138A Pending JPH06501290A (ja) | 1991-04-18 | 1991-04-18 | 高コンシステンシー酸素脱リグニンのためのパルプアルカリ添加法 |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0539381A4 (fr) |
JP (1) | JPH06501290A (fr) |
CN (1) | CN1066308A (fr) |
AU (1) | AU647485B2 (fr) |
CA (1) | CA2069447C (fr) |
SE (1) | SE9203801L (fr) |
WO (1) | WO1992018689A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0530881A1 (fr) * | 1991-08-14 | 1993-03-10 | Union Camp Patent Holding, Inc. | Utilisation d'une presse de lavage pour un procédé d'addition d'alcali à une pâte à papier |
CN100395403C (zh) * | 2007-08-03 | 2008-06-18 | 山东泉林纸业有限责任公司 | 一种禾草类未漂化学浆的氧脱木素处理方法 |
MX2020012737A (es) * | 2018-05-28 | 2021-05-14 | Pierson Capital Environmental Beijing Ltd | Metodos y composiciones eficientes para la recuperacion de productos a partir de un pretratamiento de materiales vegetales con acidos organicos. |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02289194A (ja) * | 1989-04-20 | 1990-11-29 | Mitsubishi Paper Mills Ltd | リグノセルロース物質の酸素漂白法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE334286B (fr) * | 1968-12-05 | 1971-04-19 | Mo Och Domsjoe Ab | |
US4198266A (en) * | 1977-10-12 | 1980-04-15 | Airco, Inc. | Oxygen delignification of wood pulp |
US4198261A (en) * | 1977-12-05 | 1980-04-15 | Gould Inc. | Method for end point detection during plasma etching |
US4806203A (en) * | 1985-02-14 | 1989-02-21 | Elton Edward F | Method for alkaline delignification of lignocellulosic fibrous material at a consistency which is raised during reaction |
-
1991
- 1991-04-18 EP EP19910909663 patent/EP0539381A4/fr not_active Withdrawn
- 1991-04-18 AU AU78754/91A patent/AU647485B2/en not_active Ceased
- 1991-04-18 CA CA002069447A patent/CA2069447C/fr not_active Expired - Fee Related
- 1991-04-18 JP JP3509138A patent/JPH06501290A/ja active Pending
- 1991-04-18 WO PCT/US1991/002673 patent/WO1992018689A1/fr not_active Application Discontinuation
- 1991-04-30 CN CN91103486A patent/CN1066308A/zh active Pending
-
1992
- 1992-12-17 SE SE9203801A patent/SE9203801L/ not_active Application Discontinuation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02289194A (ja) * | 1989-04-20 | 1990-11-29 | Mitsubishi Paper Mills Ltd | リグノセルロース物質の酸素漂白法 |
Also Published As
Publication number | Publication date |
---|---|
CN1066308A (zh) | 1992-11-18 |
SE9203801D0 (sv) | 1992-12-17 |
AU647485B2 (en) | 1994-03-24 |
CA2069447A1 (fr) | 1992-10-19 |
SE9203801L (sv) | 1993-02-10 |
CA2069447C (fr) | 1996-08-27 |
WO1992018689A1 (fr) | 1992-10-29 |
EP0539381A4 (fr) | 1994-10-12 |
AU7875491A (en) | 1992-11-17 |
EP0539381A1 (fr) | 1993-05-05 |
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