DE59708425D1 - Verfahren zur Reinigung einer Suspension aus Primärfaserstoff - Google Patents
Verfahren zur Reinigung einer Suspension aus PrimärfaserstoffInfo
- Publication number
- DE59708425D1 DE59708425D1 DE59708425T DE59708425T DE59708425D1 DE 59708425 D1 DE59708425 D1 DE 59708425D1 DE 59708425 T DE59708425 T DE 59708425T DE 59708425 T DE59708425 T DE 59708425T DE 59708425 D1 DE59708425 D1 DE 59708425D1
- Authority
- DE
- Germany
- Prior art keywords
- suspension
- floatation
- cleaning
- cellulose
- bleaching
- 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.)
- Expired - Fee Related
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
- D21C9/02—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
- D21C9/001—Modification of pulp properties
- D21C9/007—Modification of pulp properties by mechanical or physical means
-
- 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
- D21C9/1026—Other features in bleaching processes
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19635967A DE19635967A1 (de) | 1996-09-05 | 1996-09-05 | Verfahren zur Reinigung einer Suspension aus Primärfaserstoff |
Publications (1)
Publication Number | Publication Date |
---|---|
DE59708425D1 true DE59708425D1 (de) | 2002-11-14 |
Family
ID=7804657
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19635967A Ceased DE19635967A1 (de) | 1996-09-05 | 1996-09-05 | Verfahren zur Reinigung einer Suspension aus Primärfaserstoff |
DE59708425T Expired - Fee Related DE59708425D1 (de) | 1996-09-05 | 1997-07-15 | Verfahren zur Reinigung einer Suspension aus Primärfaserstoff |
DE59712461T Revoked DE59712461D1 (de) | 1996-09-05 | 1997-07-15 | Verfahren zur Reinigung einer Suspension aus Primärfaserstoff |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19635967A Ceased DE19635967A1 (de) | 1996-09-05 | 1996-09-05 | Verfahren zur Reinigung einer Suspension aus Primärfaserstoff |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE59712461T Revoked DE59712461D1 (de) | 1996-09-05 | 1997-07-15 | Verfahren zur Reinigung einer Suspension aus Primärfaserstoff |
Country Status (3)
Country | Link |
---|---|
EP (2) | EP1223245B1 (de) |
AT (2) | ATE225878T1 (de) |
DE (3) | DE19635967A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107700263B (zh) * | 2016-08-08 | 2020-10-09 | 迅普精工株式会社 | 脱墨装置和废纸再生处理装置 |
CN109629300B (zh) * | 2018-12-28 | 2021-08-24 | 四川凤生纸业科技股份有限公司 | 用于纸浆生产线的高效制浆***及洗浆工艺 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE310554C (de) * | ||||
US5178770A (en) * | 1991-07-12 | 1993-01-12 | Nalco Canada Inc. | Method of treating bctmp/ctmp wastewater |
DE4317466A1 (de) * | 1993-05-26 | 1994-12-01 | Degussa | Verbessertes Verfahren zur Bleiche von Holzstoffen |
EP0791103A4 (de) * | 1994-08-31 | 1998-12-30 | Hoffman Environmental Systems | Verfahren zur papierherstellung ohne anfall flüssiger abfallstoffe |
-
1996
- 1996-09-05 DE DE19635967A patent/DE19635967A1/de not_active Ceased
-
1997
- 1997-07-15 AT AT97112005T patent/ATE225878T1/de not_active IP Right Cessation
- 1997-07-15 EP EP02000753A patent/EP1223245B1/de not_active Revoked
- 1997-07-15 DE DE59708425T patent/DE59708425D1/de not_active Expired - Fee Related
- 1997-07-15 DE DE59712461T patent/DE59712461D1/de not_active Revoked
- 1997-07-15 AT AT02000753T patent/ATE307923T1/de not_active IP Right Cessation
- 1997-07-15 EP EP97112005A patent/EP0828026B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE59712461D1 (de) | 2005-12-01 |
EP0828026B1 (de) | 2002-10-09 |
DE19635967A1 (de) | 1998-03-12 |
EP0828026A1 (de) | 1998-03-11 |
ATE225878T1 (de) | 2002-10-15 |
EP1223245B1 (de) | 2005-10-26 |
EP1223245A3 (de) | 2004-06-02 |
ATE307923T1 (de) | 2005-11-15 |
EP1223245A2 (de) | 2002-07-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |