NO302129B1 - Fremgangsmåte for bleking og delignifisering av kjemisk papirmasse - Google Patents

Fremgangsmåte for bleking og delignifisering av kjemisk papirmasse

Info

Publication number
NO302129B1
NO302129B1 NO934406A NO934406A NO302129B1 NO 302129 B1 NO302129 B1 NO 302129B1 NO 934406 A NO934406 A NO 934406A NO 934406 A NO934406 A NO 934406A NO 302129 B1 NO302129 B1 NO 302129B1
Authority
NO
Norway
Prior art keywords
delignification
bleaching
chemical pulp
pulp
chemical
Prior art date
Application number
NO934406A
Other languages
English (en)
Norwegian (no)
Other versions
NO934406L (no
NO934406D0 (no
Inventor
Maria Hammann
Original Assignee
Solvay Interox 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 Solvay Interox Sa filed Critical Solvay Interox Sa
Publication of NO934406D0 publication Critical patent/NO934406D0/no
Publication of NO934406L publication Critical patent/NO934406L/no
Publication of NO302129B1 publication Critical patent/NO302129B1/no

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)
NO934406A 1991-06-06 1993-12-03 Fremgangsmåte for bleking og delignifisering av kjemisk papirmasse NO302129B1 (no)

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.
PCT/EP1992/001222 WO1992021814A1 (fr) 1991-06-06 1992-06-01 Procede pour blanchiment et la delignification de pates a papier chimiques

Publications (3)

Publication Number Publication Date
NO934406D0 NO934406D0 (no) 1993-12-03
NO934406L NO934406L (no) 1994-01-26
NO302129B1 true NO302129B1 (no) 1998-01-26

Family

ID=3885547

Family Applications (1)

Application Number Title Priority Date Filing Date
NO934406A NO302129B1 (no) 1991-06-06 1993-12-03 Fremgangsmåte for bleking og delignifisering av kjemisk papirmasse

Country Status (16)

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

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
AR247257A1 (es) 1994-11-30
FI935422A0 (fi) 1993-12-03
BR9206112A (pt) 1995-10-10
EP0587822B1 (fr) 1995-08-30
ES2079209T3 (es) 1996-01-01
DE69204457T2 (de) 1996-04-18
CA2110698A1 (fr) 1992-12-10
NO934406L (no) 1994-01-26
AU1877592A (en) 1993-01-08
NO934406D0 (no) 1993-12-03
JPH06507683A (ja) 1994-09-01
AU651462B2 (en) 1994-07-21
DE69204457D1 (de) 1995-10-05
ZA924021B (en) 1993-02-24
NZ242996A (en) 1995-01-27
YU48264B (sh) 1997-09-30
FI935422A (fi) 1994-01-11
BE1004974A3 (fr) 1993-03-09
EP0587822A1 (fr) 1994-03-23
YU58792A (sh) 1994-09-09
WO1992021814A1 (fr) 1992-12-10
ATE127179T1 (de) 1995-09-15

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