ATE189716T1 - Verfahren zum peroxidbleichen von cellulosischen und lignocellulosischen materialen - Google Patents

Verfahren zum peroxidbleichen von cellulosischen und lignocellulosischen materialen

Info

Publication number
ATE189716T1
ATE189716T1 AT95926123T AT95926123T ATE189716T1 AT E189716 T1 ATE189716 T1 AT E189716T1 AT 95926123 T AT95926123 T AT 95926123T AT 95926123 T AT95926123 T AT 95926123T AT E189716 T1 ATE189716 T1 AT E189716T1
Authority
AT
Austria
Prior art keywords
pulp
bleaching
reaction
peroxide
hydrogen peroxide
Prior art date
Application number
AT95926123T
Other languages
German (de)
English (en)
Inventor
Lewis D Shackford
William J Miller
Brian P Roy
Lierop Barbara Van
Richard M Berry
Original Assignee
Beloit Technologies Inc
Pulp Paper Res Inst
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=23044357&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE189716(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Beloit Technologies Inc, Pulp Paper Res Inst filed Critical Beloit Technologies Inc
Application granted granted Critical
Publication of ATE189716T1 publication Critical patent/ATE189716T1/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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • 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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Detergent Compositions (AREA)
AT95926123T 1994-07-11 1995-06-29 Verfahren zum peroxidbleichen von cellulosischen und lignocellulosischen materialen ATE189716T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27353994A 1994-07-11 1994-07-11
PCT/US1995/008137 WO1996001920A1 (en) 1994-07-11 1995-06-29 Peroxide bleaching process for cellulosic and lignocellulosic material

Publications (1)

Publication Number Publication Date
ATE189716T1 true ATE189716T1 (de) 2000-02-15

Family

ID=23044357

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95926123T ATE189716T1 (de) 1994-07-11 1995-06-29 Verfahren zum peroxidbleichen von cellulosischen und lignocellulosischen materialen

Country Status (13)

Country Link
EP (2) EP0797703B1 (pt)
JP (1) JP2787618B2 (pt)
CN (1) CN1176673A (pt)
AT (1) ATE189716T1 (pt)
BR (1) BR9508388A (pt)
CA (1) CA2194880A1 (pt)
DE (2) DE797703T1 (pt)
ES (1) ES2107399T3 (pt)
FI (1) FI970104A (pt)
PT (1) PT797703E (pt)
RU (1) RU2141016C1 (pt)
WO (1) WO1996001920A1 (pt)
ZA (1) ZA955290B (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997001074A1 (en) * 1995-06-20 1997-01-09 A. Ahlstrom Corporation Method and apparatus for treating material which conducts heat poorly
JP2002266272A (ja) * 2001-03-12 2002-09-18 Nippon Paper Industries Co Ltd セルロース質繊維材料パルプの漂白方法
US20050051288A1 (en) * 2003-09-09 2005-03-10 Caifang Yin Extended retention and medium consistency pulp treatment
US7297225B2 (en) * 2004-06-22 2007-11-20 Georgia-Pacific Consumer Products Lp Process for high temperature peroxide bleaching of pulp with cool discharge
CN100412267C (zh) * 2006-04-30 2008-08-20 华南理工大学 一种中浓纸浆过氧化氢双塔漂白方法
FR2910027B1 (fr) * 2006-12-13 2009-11-06 Itt Mfg Enterprises Inc Procede de blanchiment des pates papeteries chimiques par traitement final a l'ozone a haute temperature
JP5585323B2 (ja) * 2010-09-07 2014-09-10 王子ホールディングス株式会社 製紙用パルプの漂白方法
CN115821617B (zh) * 2022-12-06 2024-01-05 金隆浆纸业(江苏)有限公司 一种纸浆漂白方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2613388B1 (fr) * 1987-04-02 1990-05-04 Atochem Procede de blanchiment de pates
FR2661430B1 (fr) * 1990-04-30 1992-07-17 Atochem Procede de blanchiment au peroxyde d'hydrogene de pates a papier a haut rendement.
BE1006056A3 (fr) * 1992-07-06 1994-05-03 Solvay Interox Procede pour le blanchiment d'une pate a papier chimique.
SE500616C2 (sv) * 1993-06-08 1994-07-25 Kvaerner Pulping Tech Blekning av kemisk massa med peroxid vid övertryck

Also Published As

Publication number Publication date
DE69515066T2 (de) 2001-04-19
RU2141016C1 (ru) 1999-11-10
EP0919661A1 (en) 1999-06-02
ES2107399T3 (es) 2000-07-01
DE797703T1 (de) 1998-02-19
ES2107399T1 (es) 1997-12-01
JPH09508945A (ja) 1997-09-09
WO1996001920A1 (en) 1996-01-25
JP2787618B2 (ja) 1998-08-20
FI970104A (fi) 1997-03-10
ZA955290B (en) 1996-12-27
PT797703E (pt) 2000-07-31
EP0797703B1 (en) 2000-02-09
EP0797703A1 (en) 1997-10-01
CA2194880A1 (en) 1996-01-25
CN1176673A (zh) 1998-03-18
BR9508388A (pt) 1998-07-14
FI970104A0 (fi) 1997-01-10
DE69515066D1 (de) 2000-03-16

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee
RZN Patent revoked