JPH09505357A - オゾンで紙パルプを漂白する方法 - Google Patents

オゾンで紙パルプを漂白する方法

Info

Publication number
JPH09505357A
JPH09505357A JP7504979A JP50497995A JPH09505357A JP H09505357 A JPH09505357 A JP H09505357A JP 7504979 A JP7504979 A JP 7504979A JP 50497995 A JP50497995 A JP 50497995A JP H09505357 A JPH09505357 A JP H09505357A
Authority
JP
Japan
Prior art keywords
ozone
additive
pulp
ozonation
curve
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.)
Pending
Application number
JP7504979A
Other languages
English (en)
Japanese (ja)
Inventor
クリスチャン コースト
フィリープ カールク
スィルヴィ デュプラ
ジャック モーリニエール
ジアーン ズー
ジャン−ピエール ザンブルン
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.)
Degremont SA
Original Assignee
Degremont 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 Degremont SA filed Critical Degremont SA
Publication of JPH09505357A publication Critical patent/JPH09505357A/ja
Pending 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
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • 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)
JP7504979A 1993-07-21 1994-07-20 オゾンで紙パルプを漂白する方法 Pending JPH09505357A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9308967A FR2708010B1 (fr) 1993-07-21 1993-07-21 Procédé de blanchiment de pâtes à papier par l'ozone.
FR93/08967 1993-07-21
PCT/FR1994/000910 WO1995003448A1 (fr) 1993-07-21 1994-07-20 Procede de blanchiment de pates a papier par l'ozone

Publications (1)

Publication Number Publication Date
JPH09505357A true JPH09505357A (ja) 1997-05-27

Family

ID=9449467

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7504979A Pending JPH09505357A (ja) 1993-07-21 1994-07-20 オゾンで紙パルプを漂白する方法

Country Status (9)

Country Link
EP (1) EP0712453B1 (de)
JP (1) JPH09505357A (de)
BR (1) BR9407083A (de)
CA (1) CA2167605A1 (de)
DE (2) DE69406457T2 (de)
ES (1) ES2086272T3 (de)
FI (1) FI960297A0 (de)
FR (1) FR2708010B1 (de)
WO (1) WO1995003448A1 (de)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4229252A (en) * 1979-01-11 1980-10-21 Weyerhaeuser Company Additives for ozone bleaching

Also Published As

Publication number Publication date
ES2086272T3 (es) 1997-12-16
BR9407083A (pt) 1996-08-13
FI960297A (fi) 1996-01-22
CA2167605A1 (fr) 1995-02-02
EP0712453B1 (de) 1997-10-22
DE69406457D1 (de) 1997-11-27
FR2708010B1 (fr) 1995-09-22
EP0712453A1 (de) 1996-05-22
DE69406457T2 (de) 1998-02-19
WO1995003448A1 (fr) 1995-02-02
FR2708010A1 (fr) 1995-01-27
ES2086272T1 (es) 1996-07-01
DE712453T1 (de) 1996-10-24
FI960297A0 (fi) 1996-01-22

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