ATE307923T1 - Verfahren zur reinigung einer suspension aus primärfaserstoff - Google Patents

Verfahren zur reinigung einer suspension aus primärfaserstoff

Info

Publication number
ATE307923T1
ATE307923T1 AT02000753T AT02000753T ATE307923T1 AT E307923 T1 ATE307923 T1 AT E307923T1 AT 02000753 T AT02000753 T AT 02000753T AT 02000753 T AT02000753 T AT 02000753T AT E307923 T1 ATE307923 T1 AT E307923T1
Authority
AT
Austria
Prior art keywords
suspension
floatation
cleaning
cellulose
bleaching
Prior art date
Application number
AT02000753T
Other languages
German (de)
English (en)
Inventor
Volker Dr Gehr
Peter Respondek
Martin Kemper
Peter Schweiss
Thomas Martin
Original Assignee
Voith Paper Fiber Systems Gmbh
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=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE307923(T1) "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 filed Critical Voith Paper Fiber Systems Gmbh
Application granted granted Critical
Publication of ATE307923T1 publication Critical patent/ATE307923T1/de

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)
AT02000753T 1996-09-05 1997-07-15 Verfahren zur reinigung einer suspension aus primärfaserstoff ATE307923T1 (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
ATE307923T1 true ATE307923T1 (de) 2005-11-15

Family

ID=7804657

Family Applications (2)

Application Number Title Priority Date Filing Date
AT02000753T ATE307923T1 (de) 1996-09-05 1997-07-15 Verfahren zur reinigung einer suspension aus primärfaserstoff
AT97112005T ATE225878T1 (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
AT97112005T ATE225878T1 (de) 1996-09-05 1997-07-15 Verfahren zur reinigung einer suspension aus primärfaserstoff

Country Status (3)

Country Link
EP (2) EP0828026B1 (fr)
AT (2) ATE307923T1 (fr)
DE (3) DE19635967A1 (fr)

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系统及洗浆工艺

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE310554C (fr) *
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
CA2208269A1 (fr) * 1994-08-31 1996-03-07 The Hoffman Group Ltd. Procede de fabrication de papier sans aucune decharge de liquides

Also Published As

Publication number Publication date
DE59708425D1 (de) 2002-11-14
EP1223245A2 (fr) 2002-07-17
DE19635967A1 (de) 1998-03-12
EP0828026B1 (fr) 2002-10-09
DE59712461D1 (de) 2005-12-01
ATE225878T1 (de) 2002-10-15
EP0828026A1 (fr) 1998-03-11
EP1223245A3 (fr) 2004-06-02
EP1223245B1 (fr) 2005-10-26

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Legal Events

Date Code Title Description
RZN Patent revoked