ZA988300B - Process for the bleaching of chemical paper pulps - Google Patents

Process for the bleaching of chemical paper pulps

Info

Publication number
ZA988300B
ZA988300B ZA988300A ZA988300A ZA988300B ZA 988300 B ZA988300 B ZA 988300B ZA 988300 A ZA988300 A ZA 988300A ZA 988300 A ZA988300 A ZA 988300A ZA 988300 B ZA988300 B ZA 988300B
Authority
ZA
South Africa
Prior art keywords
bleaching
paper pulps
chemical paper
chemical
pulps
Prior art date
Application number
ZA988300A
Inventor
Laurence Briois
Harve Suty
Original Assignee
Elf Antochem S A
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 Elf Antochem S A filed Critical Elf Antochem S A
Publication of ZA988300B publication Critical patent/ZA988300B/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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • 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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • 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)
ZA988300A 1997-10-03 1998-09-10 Process for the bleaching of chemical paper pulps ZA988300B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9712367A FR2769327B1 (en) 1997-10-03 1997-10-03 PROCESS FOR BLEACHING CHEMICAL PAPER PULP

Publications (1)

Publication Number Publication Date
ZA988300B true ZA988300B (en) 1999-03-11

Family

ID=9511814

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA988300A ZA988300B (en) 1997-10-03 1998-09-10 Process for the bleaching of chemical paper pulps

Country Status (12)

Country Link
EP (1) EP0906987A1 (en)
JP (1) JPH11152693A (en)
KR (1) KR19990036671A (en)
CN (1) CN1213722A (en)
AU (1) AU8787798A (en)
BR (1) BR9803865A (en)
CA (1) CA2246569A1 (en)
FR (1) FR2769327B1 (en)
ID (1) ID21153A (en)
MA (1) MA24659A1 (en)
NO (1) NO984593L (en)
ZA (1) ZA988300B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101105011B (en) * 2004-01-17 2010-05-12 梅秀泉 Oxygen delignification and bleaching integration paste preparing method and device for realizing the same method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2706673A (en) * 1951-10-19 1955-04-19 Elmer R Burling Method of bleaching with chlorine dioxide
DE69223997T2 (en) * 1991-08-23 1998-05-07 Olin Corp METHOD FOR GAS PHASE DELIGNIFICATION OF CELLULAR
AU4006795A (en) * 1994-11-10 1996-06-06 Olin Corporation Process for gas phase chlorine dioxide delignification

Also Published As

Publication number Publication date
EP0906987A1 (en) 1999-04-07
AU8787798A (en) 1999-04-22
NO984593L (en) 1999-04-06
CN1213722A (en) 1999-04-14
ID21153A (en) 1999-04-29
JPH11152693A (en) 1999-06-08
FR2769327B1 (en) 1999-11-05
FR2769327A1 (en) 1999-04-09
NO984593D0 (en) 1998-10-01
CA2246569A1 (en) 1999-04-03
BR9803865A (en) 1999-12-07
MA24659A1 (en) 1999-04-01
KR19990036671A (en) 1999-05-25

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