EP1223245A3 - Verfahren zur Reinigung einer Suspension aus Primärfaserstoff - Google Patents
Verfahren zur Reinigung einer Suspension aus Primärfaserstoff Download PDFInfo
- Publication number
- EP1223245A3 EP1223245A3 EP02000753A EP02000753A EP1223245A3 EP 1223245 A3 EP1223245 A3 EP 1223245A3 EP 02000753 A EP02000753 A EP 02000753A EP 02000753 A EP02000753 A EP 02000753A EP 1223245 A3 EP1223245 A3 EP 1223245A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- floatation
- pulp
- 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.)
- Granted
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)
Abstract
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19635967A DE19635967A1 (de) | 1996-09-05 | 1996-09-05 | Verfahren zur Reinigung einer Suspension aus Primärfaserstoff |
DE19635967 | 1996-09-05 | ||
EP97112005A EP0828026B1 (de) | 1996-09-05 | 1997-07-15 | Verfahren zur Reinigung einer Suspension aus Primärfaserstoff |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97112005A Division EP0828026B1 (de) | 1996-09-05 | 1997-07-15 | Verfahren zur Reinigung einer Suspension aus Primärfaserstoff |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1223245A2 EP1223245A2 (de) | 2002-07-17 |
EP1223245A3 true EP1223245A3 (de) | 2004-06-02 |
EP1223245B1 EP1223245B1 (de) | 2005-10-26 |
Family
ID=7804657
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02000753A Revoked EP1223245B1 (de) | 1996-09-05 | 1997-07-15 | Verfahren zur Reinigung einer Suspension aus Primärfaserstoff |
EP97112005A Expired - Lifetime EP0828026B1 (de) | 1996-09-05 | 1997-07-15 | Verfahren zur Reinigung einer Suspension aus Primärfaserstoff |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97112005A Expired - Lifetime EP0828026B1 (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) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Families Citing this family (1)
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 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0522334A1 (de) * | 1991-07-12 | 1993-01-13 | Nalco Chemical Company | Verfahren zur Behandlung von BCTMP/CTMP-Abwasser |
DE4317466A1 (de) * | 1993-05-26 | 1994-12-01 | Degussa | Verbessertes Verfahren zur Bleiche von Holzstoffen |
WO1996006978A1 (en) * | 1994-08-31 | 1996-03-07 | Hoffman Environmental Systems, Inc. | Method of papermaking having zero liquid discharge |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE310554C (de) * |
-
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
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0522334A1 (de) * | 1991-07-12 | 1993-01-13 | Nalco Chemical Company | Verfahren zur Behandlung von BCTMP/CTMP-Abwasser |
DE4317466A1 (de) * | 1993-05-26 | 1994-12-01 | Degussa | Verbessertes Verfahren zur Bleiche von Holzstoffen |
WO1996006978A1 (en) * | 1994-08-31 | 1996-03-07 | Hoffman Environmental Systems, Inc. | Method of papermaking having zero liquid discharge |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
ATE307923T1 (de) | 2005-11-15 |
EP1223245A2 (de) | 2002-07-17 |
DE59708425D1 (de) | 2002-11-14 |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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Inventor name: KEMPER, MARTIN Inventor name: SCHWEISS, PETER Inventor name: RESPONDEK, PETER Inventor name: MARTIN, THOMAS Inventor name: GEHR, VOLKER, DR. |
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