NO923163D0 - PROCEDURE FOR ALKALITE ADDITION TO TREMASSES - Google Patents
PROCEDURE FOR ALKALITE ADDITION TO TREMASSESInfo
- Publication number
- NO923163D0 NO923163D0 NO923163A NO923163A NO923163D0 NO 923163 D0 NO923163 D0 NO 923163D0 NO 923163 A NO923163 A NO 923163A NO 923163 A NO923163 A NO 923163A NO 923163 D0 NO923163 D0 NO 923163D0
- Authority
- NO
- Norway
- Prior art keywords
- tremasses
- alkalite
- procedure
- addition
- alkalite addition
- 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
- 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
-
- 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
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US74822291A | 1991-08-14 | 1991-08-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO923163D0 true NO923163D0 (en) | 1992-08-13 |
| NO923163L NO923163L (en) | 1993-02-15 |
Family
ID=25008524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO92923163A NO923163L (en) | 1991-08-14 | 1992-08-13 | PROCEDURE FOR ALKALITE ADDITION TO TREMASSES |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP0530881A1 (en) |
| JP (1) | JPH0726350B2 (en) |
| KR (1) | KR950013196B1 (en) |
| CN (1) | CN1070969A (en) |
| AU (1) | AU647950B2 (en) |
| BR (1) | BR9203170A (en) |
| CA (1) | CA2075875A1 (en) |
| FI (1) | FI923585L (en) |
| NO (1) | NO923163L (en) |
| SE (1) | SE9202338L (en) |
| ZA (1) | ZA926092B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277283A (en) * | 1999-06-14 | 2000-12-20 | 普拉塞尔技术有限公司 | Deoxidized xylon of lignin-cellulose material |
| FI122241B (en) * | 2007-06-15 | 2011-10-31 | Andritz Oy | Procedure in connection with pulp washing at a pulp mill |
| US9932709B2 (en) | 2013-03-15 | 2018-04-03 | Ecolab Usa Inc. | Processes and compositions for brightness improvement in paper production |
| FI20115754A0 (en) * | 2011-03-22 | 2011-07-15 | Andritz Oy | Process and arrangement for the treatment of chemical pulp |
| EP2954115B1 (en) * | 2013-02-08 | 2022-01-12 | GP Cellulose GmbH | Softwood kraft fiber having an improved a-cellulose content and its use in the production of chemical cellulose products |
| WO2018022427A1 (en) * | 2016-07-27 | 2018-02-01 | Ecolab USA, Inc. | Method and compositions for oxygen delignification of chemical pulp |
| SE544255C2 (en) * | 2020-09-03 | 2022-03-15 | Valmet Oy | System for producing cellulose pulp and method for controlling such a system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR8605554A (en) * | 1985-02-14 | 1987-04-22 | Edward Francis Elton | PROCESS FOR THE PRODUCTION OF PAPER AND APPARATUS FOR THE ALKALINE DESIGNIFICATION OF LIGNO-CELLULOSIC FIBROUS MATERIALS |
| US5179021A (en) * | 1989-02-10 | 1993-01-12 | Gil Inc. (Now Ici Canada Inc.) | Pulp bleaching process comprising oxygen delignification and xylanase enzyme treatment |
| US5085734A (en) * | 1989-02-15 | 1992-02-04 | Union Camp Patent Holding, Inc. | Methods of high consistency oxygen delignification using a low consistency alkali pretreatment |
| US5173153A (en) * | 1991-01-03 | 1992-12-22 | Union Camp Patent Holding, Inc. | Process for enhanced oxygen delignification using high consistency and a split alkali addition |
| CA2069447C (en) * | 1991-04-18 | 1996-08-27 | Bruce F. Griggs | Pulp alkali addition process for high consistency oxygen delignification |
-
1992
- 1992-08-11 FI FI923585A patent/FI923585L/en unknown
- 1992-08-11 EP EP92202469A patent/EP0530881A1/en not_active Ceased
- 1992-08-12 CA CA002075875A patent/CA2075875A1/en not_active Abandoned
- 1992-08-12 AU AU20954/92A patent/AU647950B2/en not_active Ceased
- 1992-08-12 SE SE9202338A patent/SE9202338L/en not_active Application Discontinuation
- 1992-08-13 NO NO92923163A patent/NO923163L/en unknown
- 1992-08-13 ZA ZA926092A patent/ZA926092B/en unknown
- 1992-08-14 JP JP4216806A patent/JPH0726350B2/en not_active Expired - Lifetime
- 1992-08-14 KR KR1019920014738A patent/KR950013196B1/en not_active Expired - Lifetime
- 1992-08-14 BR BR929203170A patent/BR9203170A/en active Search and Examination
- 1992-08-14 CN CN92110875A patent/CN1070969A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA2075875A1 (en) | 1993-02-15 |
| AU647950B2 (en) | 1994-03-31 |
| JPH05195461A (en) | 1993-08-03 |
| FI923585A0 (en) | 1992-08-11 |
| ZA926092B (en) | 1993-03-02 |
| SE9202338D0 (en) | 1992-08-12 |
| NO923163L (en) | 1993-02-15 |
| SE9202338L (en) | 1993-02-15 |
| CN1070969A (en) | 1993-04-14 |
| EP0530881A1 (en) | 1993-03-10 |
| FI923585A7 (en) | 1993-02-15 |
| BR9203170A (en) | 1993-03-30 |
| KR950013196B1 (en) | 1995-10-25 |
| KR930004578A (en) | 1993-03-22 |
| FI923585L (en) | 1993-02-15 |
| JPH0726350B2 (en) | 1995-03-22 |
| AU2095492A (en) | 1993-02-25 |
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