CA2110698A1 - Procede pour le blanchiment et la delignification de pates a papier chimiques - Google Patents

Procede pour le blanchiment et la delignification de pates a papier chimiques

Info

Publication number
CA2110698A1
CA2110698A1 CA002110698A CA2110698A CA2110698A1 CA 2110698 A1 CA2110698 A1 CA 2110698A1 CA 002110698 A CA002110698 A CA 002110698A CA 2110698 A CA2110698 A CA 2110698A CA 2110698 A1 CA2110698 A1 CA 2110698A1
Authority
CA
Canada
Prior art keywords
process according
ozone
dough
paste
alkaline
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.)
Abandoned
Application number
CA002110698A
Other languages
English (en)
French (fr)
Inventor
Maria Hammann
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.)
Solvay Chimie SA
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2110698A1 publication Critical patent/CA2110698A1/fr
Abandoned 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
    • D21C9/1057—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
    • D21C9/147—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
    • D21C9/147—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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
CA002110698A 1991-06-06 1992-06-01 Procede pour le blanchiment et la delignification de pates a papier chimiques Abandoned CA2110698A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9100549A BE1004974A3 (fr) 1991-06-06 1991-06-06 Procede pour le blanchiment et la delignification de pates a papier chimiques et application de ce procede au blanchiment et a la delignification des pates kraft et des pates asam.
BE9100549 1991-06-06

Publications (1)

Publication Number Publication Date
CA2110698A1 true CA2110698A1 (fr) 1992-12-10

Family

ID=3885547

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002110698A Abandoned CA2110698A1 (fr) 1991-06-06 1992-06-01 Procede pour le blanchiment et la delignification de pates a papier chimiques

Country Status (16)

Country Link
EP (1) EP0587822B1 (xx)
JP (1) JPH06507683A (xx)
AR (1) AR247257A1 (xx)
AT (1) ATE127179T1 (xx)
AU (1) AU651462B2 (xx)
BE (1) BE1004974A3 (xx)
BR (1) BR9206112A (xx)
CA (1) CA2110698A1 (xx)
DE (1) DE69204457T2 (xx)
ES (1) ES2079209T3 (xx)
FI (1) FI935422A (xx)
NO (1) NO302129B1 (xx)
NZ (1) NZ242996A (xx)
WO (1) WO1992021814A1 (xx)
YU (1) YU48264B (xx)
ZA (1) ZA924021B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1006881A3 (fr) * 1993-03-02 1995-01-17 Solvay Interox Procede pour la delignification d'une pate a papier chimique.
SE506480C2 (sv) * 1995-06-29 1997-12-22 Sca Graphic Res Ab Blekning av lignocellulosahaltigt fibermaterial med ozon och persyra i ett kombinationssteg
US5770011A (en) * 1995-11-17 1998-06-23 International Paper Company Neutral monoperoxysulfate bleaching process
FI964715A (fi) * 1996-11-26 1998-05-27 Keskuslaboratorio Menetelmä selluloosamassan valkaisemiseksi
EP0931874A1 (en) * 1998-01-22 1999-07-28 Degussa-Hüls Aktiengesellschaft Pulp bleaching process including final stage treatment step with salt of peroxymonosulfuric acid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4372812A (en) * 1978-04-07 1983-02-08 International Paper Company Chlorine free process for bleaching lignocellulosic pulp
US5091054A (en) * 1989-08-18 1992-02-25 Degussa Corporation Process for bleaching and delignification of lignocellulosic

Also Published As

Publication number Publication date
JPH06507683A (ja) 1994-09-01
AU1877592A (en) 1993-01-08
AU651462B2 (en) 1994-07-21
ATE127179T1 (de) 1995-09-15
AR247257A1 (es) 1994-11-30
FI935422A0 (fi) 1993-12-03
DE69204457D1 (de) 1995-10-05
BE1004974A3 (fr) 1993-03-09
DE69204457T2 (de) 1996-04-18
NO934406D0 (no) 1993-12-03
ZA924021B (en) 1993-02-24
BR9206112A (pt) 1995-10-10
NZ242996A (en) 1995-01-27
WO1992021814A1 (fr) 1992-12-10
ES2079209T3 (es) 1996-01-01
FI935422A (fi) 1994-01-11
YU48264B (sh) 1997-09-30
NO302129B1 (no) 1998-01-26
EP0587822A1 (fr) 1994-03-23
YU58792A (sh) 1994-09-09
EP0587822B1 (fr) 1995-08-30
NO934406L (no) 1994-01-26

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FR2599398A1 (fr) Procede de preblanchiment de pates chimiques de cellulose

Legal Events

Date Code Title Description
FZDE Discontinued