DE59708425D1 - Verfahren zur Reinigung einer Suspension aus Primärfaserstoff - Google Patents

Verfahren zur Reinigung einer Suspension aus Primärfaserstoff

Info

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
Application number
DE59708425T
Other languages
English (en)
Inventor
Dr Gehr
Martin Kemper
Thomas Martin
Peter Respondek
Peter Schweiss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Voith Paper Fiber and Environmental Solutions GmbH and Co KG
Original Assignee
Voith Paper Fiber Systems GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7804657&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE59708425(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Voith Paper Fiber Systems GmbH and Co KG filed Critical Voith Paper Fiber Systems GmbH and Co KG
Application granted granted Critical
Publication of DE59708425D1 publication Critical patent/DE59708425D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE59708425T 1996-09-05 1997-07-15 Verfahren zur Reinigung einer Suspension aus Primärfaserstoff Expired - Fee Related DE59708425D1 (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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