CA2194880A1 - Peroxide bleaching process for cellulosic and lignocellulosic material - Google Patents

Peroxide bleaching process for cellulosic and lignocellulosic material

Info

Publication number
CA2194880A1
CA2194880A1 CA002194880A CA2194880A CA2194880A1 CA 2194880 A1 CA2194880 A1 CA 2194880A1 CA 002194880 A CA002194880 A CA 002194880A CA 2194880 A CA2194880 A CA 2194880A CA 2194880 A1 CA2194880 A1 CA 2194880A1
Authority
CA
Canada
Prior art keywords
pulp
bleaching
stage
peroxide
hydrogen peroxide
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.)
Abandoned
Application number
CA002194880A
Other languages
English (en)
French (fr)
Inventor
Lewis D. Shackford
William J. Miller
Brian P. Roy
Barbara Van Lierop
Richard M. Berry
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.)
Pulp and Paper Research Institute of Canada
Beloit Technologies Inc
Original Assignee
Individual
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=CA2194880(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of CA2194880A1 publication Critical patent/CA2194880A1/en
Abandoned 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
    • D21C9/10—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)
CA002194880A 1994-07-11 1995-06-29 Peroxide bleaching process for cellulosic and lignocellulosic material Abandoned CA2194880A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27353994A 1994-07-11 1994-07-11
US08/273,539 1994-07-11

Publications (1)

Publication Number Publication Date
CA2194880A1 true CA2194880A1 (en) 1996-01-25

Family

ID=23044357

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002194880A Abandoned CA2194880A1 (en) 1994-07-11 1995-06-29 Peroxide bleaching process for cellulosic and lignocellulosic material

Country Status (13)

Country Link
EP (2) EP0919661A1 (es)
JP (1) JP2787618B2 (es)
CN (1) CN1176673A (es)
AT (1) ATE189716T1 (es)
BR (1) BR9508388A (es)
CA (1) CA2194880A1 (es)
DE (2) DE797703T1 (es)
ES (1) ES2107399T3 (es)
FI (1) FI970104A (es)
PT (1) PT797703E (es)
RU (1) RU2141016C1 (es)
WO (1) WO1996001920A1 (es)
ZA (1) ZA955290B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2224685C (en) * 1995-06-20 2003-05-20 Ahlstrom Machinery Oy Method and apparatus for treating pulp in an indirect heat exchanger after pulping
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.
SE9301960L (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
FI970104A (fi) 1997-03-10
RU2141016C1 (ru) 1999-11-10
EP0797703B1 (en) 2000-02-09
JP2787618B2 (ja) 1998-08-20
CN1176673A (zh) 1998-03-18
ATE189716T1 (de) 2000-02-15
DE797703T1 (de) 1998-02-19
DE69515066D1 (de) 2000-03-16
DE69515066T2 (de) 2001-04-19
EP0919661A1 (en) 1999-06-02
ES2107399T1 (es) 1997-12-01
BR9508388A (pt) 1998-07-14
ZA955290B (en) 1996-12-27
EP0797703A1 (en) 1997-10-01
PT797703E (pt) 2000-07-31
JPH09508945A (ja) 1997-09-09
ES2107399T3 (es) 2000-07-01
FI970104A0 (fi) 1997-01-10
WO1996001920A1 (en) 1996-01-25

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued