FR2769327B1 - PROCESS FOR BLEACHING CHEMICAL PAPER PULP - Google Patents

PROCESS FOR BLEACHING CHEMICAL PAPER PULP

Info

Publication number
FR2769327B1
FR2769327B1 FR9712367A FR9712367A FR2769327B1 FR 2769327 B1 FR2769327 B1 FR 2769327B1 FR 9712367 A FR9712367 A FR 9712367A FR 9712367 A FR9712367 A FR 9712367A FR 2769327 B1 FR2769327 B1 FR 2769327B1
Authority
FR
France
Prior art keywords
paper pulp
bleaching chemical
chemical paper
bleaching
pulp
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.)
Expired - Fee Related
Application number
FR9712367A
Other languages
French (fr)
Other versions
FR2769327A1 (en
Inventor
Laurence Briois
Herve Suty
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.)
Arkema France SA
Original Assignee
Elf Atochem 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 Elf Atochem SA filed Critical Elf Atochem SA
Priority to FR9712367A priority Critical patent/FR2769327B1/en
Priority to EP98402178A priority patent/EP0906987A1/en
Priority to ZA988300A priority patent/ZA988300B/en
Priority to KR1019980039686A priority patent/KR19990036671A/en
Priority to KR1019980039687A priority patent/KR100287244B1/en
Priority to CN98120727A priority patent/CN1213722A/en
Priority to MA25275A priority patent/MA24659A1/en
Priority to NO984593A priority patent/NO984593L/en
Priority to JP10279873A priority patent/JPH11152693A/en
Priority to CA002246569A priority patent/CA2246569A1/en
Priority to IDP981319A priority patent/ID21153A/en
Priority to BR9803865-6A priority patent/BR9803865A/en
Priority to AU87877/98A priority patent/AU8787798A/en
Publication of FR2769327A1 publication Critical patent/FR2769327A1/en
Application granted granted Critical
Publication of FR2769327B1 publication Critical patent/FR2769327B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • D21C9/147—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
FR9712367A 1997-09-25 1997-10-03 PROCESS FOR BLEACHING CHEMICAL PAPER PULP Expired - Fee Related FR2769327B1 (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
FR9712367A FR2769327B1 (en) 1997-10-03 1997-10-03 PROCESS FOR BLEACHING CHEMICAL PAPER PULP
EP98402178A EP0906987A1 (en) 1997-10-03 1998-09-03 Process for bleaching chemical paper pulps
ZA988300A ZA988300B (en) 1997-10-03 1998-09-10 Process for the bleaching of chemical paper pulps
KR1019980039686A KR19990036671A (en) 1997-10-03 1998-09-24 Bleaching of Chemical Paper Pulp
KR1019980039687A KR100287244B1 (en) 1997-09-25 1998-09-24 Method of manufacturing polyamides
CN98120727A CN1213722A (en) 1997-10-03 1998-09-25 Process for bleaching of chemical paper pulps
MA25275A MA24659A1 (en) 1997-10-03 1998-09-29 PROCESS FOR BLEACHING CHEMICAL PAPER PULP
NO984593A NO984593L (en) 1997-10-03 1998-10-01 Method of Bleaching Chemical Pulp
JP10279873A JPH11152693A (en) 1997-10-03 1998-10-01 Bleaching of chemical paper pulp
CA002246569A CA2246569A1 (en) 1997-10-03 1998-10-02 Process for bleaching chemical paper pulp
IDP981319A ID21153A (en) 1997-10-03 1998-10-02 PROCESS OF CHEMICAL PAPP PLATING
BR9803865-6A BR9803865A (en) 1997-10-03 1998-10-02 Process for bleaching carbon paper pulp
AU87877/98A AU8787798A (en) 1997-10-03 1998-10-02 Process for the bleaching of chemical paper pulps

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 (2)

Publication Number Publication Date
FR2769327A1 FR2769327A1 (en) 1999-04-09
FR2769327B1 true FR2769327B1 (en) 1999-11-05

Family

ID=9511814

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9712367A Expired - Fee Related FR2769327B1 (en) 1997-09-25 1997-10-03 PROCESS FOR BLEACHING CHEMICAL PAPER PULP

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
BR9206366A (en) * 1991-08-23 1994-11-22 Olin Corp Process for delignifying wood pulp
WO1996015317A1 (en) * 1994-11-10 1996-05-23 Olin Corporation Process for gas phase chlorine dioxide delignification

Also Published As

Publication number Publication date
NO984593L (en) 1999-04-06
ZA988300B (en) 1999-03-11
BR9803865A (en) 1999-12-07
MA24659A1 (en) 1999-04-01
KR19990036671A (en) 1999-05-25
AU8787798A (en) 1999-04-22
JPH11152693A (en) 1999-06-08
CA2246569A1 (en) 1999-04-03
NO984593D0 (en) 1998-10-01
EP0906987A1 (en) 1999-04-07
ID21153A (en) 1999-04-29
FR2769327A1 (en) 1999-04-09
CN1213722A (en) 1999-04-14

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Legal Events

Date Code Title Description
ST Notification of lapse