ATE156877T1 - METHOD FOR HYDROGEN PEROXIDE BLEACHING A HIGH YIELD PULP - Google Patents

METHOD FOR HYDROGEN PEROXIDE BLEACHING A HIGH YIELD PULP

Info

Publication number
ATE156877T1
ATE156877T1 AT95900797T AT95900797T ATE156877T1 AT E156877 T1 ATE156877 T1 AT E156877T1 AT 95900797 T AT95900797 T AT 95900797T AT 95900797 T AT95900797 T AT 95900797T AT E156877 T1 ATE156877 T1 AT E156877T1
Authority
AT
Austria
Prior art keywords
hydrogen peroxide
high yield
peroxide bleaching
yield pulp
pulp
Prior art date
Application number
AT95900797T
Other languages
German (de)
Inventor
Michel Devic
Original Assignee
Atochem Elf Sa
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
Application filed by Atochem Elf Sa filed Critical Atochem Elf Sa
Application granted granted Critical
Publication of ATE156877T1 publication Critical patent/ATE156877T1/en

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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • 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
    • D21C9/101—Bleaching ; Apparatus therefor in solvent medium
    • 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
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Bleaching process characterized in that a heterogeneous reactive medium is formed containing the pulp, an alcohol and hydrogen peroxide in an aqueous solution, the weight ratio of all the water of the medium to the alcohol being 0.001 to 0.5.
AT95900797T 1993-11-10 1994-11-07 METHOD FOR HYDROGEN PEROXIDE BLEACHING A HIGH YIELD PULP ATE156877T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9313446A FR2712313B1 (en) 1993-11-10 1993-11-10 Process for bleaching a high-yield paper pulp with hydrogen peroxide.

Publications (1)

Publication Number Publication Date
ATE156877T1 true ATE156877T1 (en) 1997-08-15

Family

ID=9452745

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95900797T ATE156877T1 (en) 1993-11-10 1994-11-07 METHOD FOR HYDROGEN PEROXIDE BLEACHING A HIGH YIELD PULP

Country Status (9)

Country Link
EP (1) EP0728239B1 (en)
JP (1) JPH09504841A (en)
CN (1) CN1139466A (en)
AT (1) ATE156877T1 (en)
AU (1) AU8147394A (en)
CA (1) CA2176030A1 (en)
DE (1) DE69405006T2 (en)
FR (1) FR2712313B1 (en)
WO (1) WO1995013421A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1055737C (en) * 1996-01-15 2000-08-23 南京林业大学 Prescription and process for intensively bleaching pulp using singlet state oxygen in alkali bleaching stage of multi-stage process
IT1290070B1 (en) * 1997-03-13 1998-10-19 3V Sigma Spa COMPOSITIONS FOR THE PAPER WHITENING
CN1107140C (en) * 1998-05-14 2003-04-30 华南理工大学 Method for bleaching medium thick paper pulp by for hydrogen peroxide for medium-small paper mill
CN106012627B (en) * 2016-05-24 2018-05-04 中国林业科学研究院林产化学工业研究所 A kind of method that bamboo wood High brightenss bleach reducing rules are prepared using alcohols solvent
CN108642943B (en) * 2018-04-03 2021-03-19 中国林业科学研究院林产化学工业研究所 Method for preparing high-whiteness and high-strength eucalyptus chemi-mechanical pulp

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2951371B2 (en) * 1990-07-03 1999-09-20 株式会社日本紙パルプ研究所 Waste paper deinking method
CA2063351C (en) * 1992-03-18 1996-08-13 Stanley Alan Heimburger Process for bleaching hardwood pulp

Also Published As

Publication number Publication date
FR2712313A1 (en) 1995-05-19
WO1995013421A1 (en) 1995-05-18
CN1139466A (en) 1997-01-01
EP0728239A1 (en) 1996-08-28
EP0728239B1 (en) 1997-08-13
JPH09504841A (en) 1997-05-13
CA2176030A1 (en) 1995-05-18
FR2712313B1 (en) 1995-12-15
AU8147394A (en) 1995-05-29
DE69405006T2 (en) 1998-01-15
DE69405006D1 (en) 1997-09-18

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