JP3093263B2 - 塩基／二酸化塩素、ついで、オゾンを用いる化学パルプの漂白 - Google Patents

塩基／二酸化塩素、ついで、オゾンを用いる化学パルプの漂白

Info

Publication number
JP3093263B2
JP3093263B2 JP03515857A JP51585791A JP3093263B2 JP 3093263 B2 JP3093263 B2 JP 3093263B2 JP 03515857 A JP03515857 A JP 03515857A JP 51585791 A JP51585791 A JP 51585791A JP 3093263 B2 JP3093263 B2 JP 3093263B2
Authority
JP
Japan
Prior art keywords
pulp
chlorine
chlorine dioxide
bleaching
ozone
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
JP03515857A
Other languages
English (en)
Japanese (ja)
Other versions
JPH06503857A (ja
Inventor
ツァイ，テッド・ユアン
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.)
International Paper Co
Original Assignee
International Paper Co
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 International Paper Co filed Critical International Paper Co
Publication of JPH06503857A publication Critical patent/JPH06503857A/ja
Application granted granted Critical
Publication of JP3093263B2 publication Critical patent/JP3093263B2/ja
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
    • D21C9/12—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
    • D21C9/1057—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
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
    • 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
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
JP03515857A 1990-08-14 1991-08-14 塩基／二酸化塩素、ついで、オゾンを用いる化学パルプの漂白 Expired - Fee Related JP3093263B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US56740990A 1990-08-14 1990-08-14
US567,409 1990-08-14
PCT/US1991/005834 WO1992003609A1 (fr) 1990-08-14 1991-08-14 Blanchiment de pate chimique au moyen de chlore/dioxyde de chlore puis d'ozone

Publications (2)

Publication Number Publication Date
JPH06503857A JPH06503857A (ja) 1994-04-28
JP3093263B2 true JP3093263B2 (ja) 2000-10-03

Family

ID=24267030

Family Applications (1)

Application Number Title Priority Date Filing Date
JP03515857A Expired - Fee Related JP3093263B2 (ja) 1990-08-14 1991-08-14 塩基／二酸化塩素、ついで、オゾンを用いる化学パルプの漂白

Country Status (7)

Country Link
EP (1) EP0561786B1 (fr)
JP (1) JP3093263B2 (fr)
CA (1) CA2089477A1 (fr)
DE (1) DE69128287T2 (fr)
ES (1) ES2109273T3 (fr)
FI (1) FI930625A (fr)
WO (1) WO1992003609A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA93224B (en) * 1992-01-22 1993-08-18 Olin Corp Gas phase delignification of lignocellulosic material.
US6174409B1 (en) 1997-09-19 2001-01-16 American Air Liquide Inc. Method to improve final bleached pulp strength properties by adjusting the CI02:03 ration within a single (D/Z) stage of the bleaching process

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4568420B1 (en) * 1984-12-03 1999-03-02 Int Paper Co Multi-stage bleaching process including an enhanced oxidative extraction stage
US4959124A (en) * 1989-05-05 1990-09-25 International Paper Company Method of bleaching kraft pulp in a DZED sequence

Also Published As

Publication number Publication date
EP0561786A4 (en) 1995-11-15
DE69128287D1 (de) 1998-01-08
WO1992003609A1 (fr) 1992-03-05
JPH06503857A (ja) 1994-04-28
FI930625A (fi) 1993-03-25
CA2089477A1 (fr) 1992-02-15
EP0561786B1 (fr) 1997-11-26
FI930625A0 (fi) 1993-02-12
ES2109273T3 (es) 1998-01-16
DE69128287T2 (de) 1998-03-19
EP0561786A1 (fr) 1993-09-29

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees