MA22460A1 - Procede pour le blanchiment d'une pate a papier chimique et application de ce procede au blanchiment d'une pate kraft - Google Patents

Procede pour le blanchiment d'une pate a papier chimique et application de ce procede au blanchiment d'une pate kraft

Info

Publication number
MA22460A1
MA22460A1 MA22748A MA22748A MA22460A1 MA 22460 A1 MA22460 A1 MA 22460A1 MA 22748 A MA22748 A MA 22748A MA 22748 A MA22748 A MA 22748A MA 22460 A1 MA22460 A1 MA 22460A1
Authority
MA
Morocco
Prior art keywords
bleaching
pulp
application
chemical
kraft
Prior art date
Application number
MA22748A
Other languages
English (en)
Inventor
Robberechts M
Vrambout G
Troughton N
Hoyos M
Original Assignee
Interox Internat
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 Interox Internat filed Critical Interox Internat
Publication of MA22460A1 publication Critical patent/MA22460A1/fr

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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids
    • 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
MA22748A 1991-03-11 1992-03-09 Procede pour le blanchiment d'une pate a papier chimique et application de ce procede au blanchiment d'une pate kraft MA22460A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9100226A BE1004674A3 (fr) 1991-03-11 1991-03-11 Procede pour le blanchiment d'une pate a papier chimique et application de ce procede au blanchiment d'une pate kraft.

Publications (1)

Publication Number Publication Date
MA22460A1 true MA22460A1 (fr) 1992-10-01

Family

ID=3885381

Family Applications (1)

Application Number Title Priority Date Filing Date
MA22748A MA22460A1 (fr) 1991-03-11 1992-03-09 Procede pour le blanchiment d'une pate a papier chimique et application de ce procede au blanchiment d'une pate kraft

Country Status (15)

Country Link
US (1) US5698075A (fr)
EP (1) EP0575374A1 (fr)
JP (1) JPH06505063A (fr)
AU (1) AU660301B2 (fr)
BE (1) BE1004674A3 (fr)
BR (1) BR9205762A (fr)
CA (1) CA2105654A1 (fr)
FI (1) FI933977A7 (fr)
MA (1) MA22460A1 (fr)
NO (1) NO301491B1 (fr)
NZ (1) NZ241823A (fr)
SK (1) SK97293A3 (fr)
WO (1) WO1992015752A1 (fr)
YU (1) YU48240B (fr)
ZA (1) ZA921626B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6007678A (en) * 1992-11-27 1999-12-28 Eka Nobel Ab Process for delignification of lignocellulose-containing pulp with an organic peracid or salts thereof
RU2097463C1 (ru) * 1992-11-27 1997-11-27 Ека Нобель Актиеболаг Способ отбеливания лигноцеллюлозосодержащей пульпы
NZ258274A (en) * 1992-11-27 1996-08-27 Eka Nobel Ab Delignifying and bleaching lignocellulose pulp using peracid delignification followed by treatment with a complexing agent then a chlorine-free bleach
BE1007651A3 (fr) * 1993-10-22 1995-09-05 Solvay Interox Procede pour le blanchiment d'une pate a papier chimique.
SE9704298L (sv) * 1997-11-24 1999-05-25 Kvaerner Pulping Tech Förfarande vid blekning av cellulosa i ett slutet system under användning av Caro´s syra
US20040112555A1 (en) * 2002-12-03 2004-06-17 Jeffrey Tolan Bleaching stage using xylanase with hydrogen peroxide, peracids, or a combination thereof
US7297225B2 (en) * 2004-06-22 2007-11-20 Georgia-Pacific Consumer Products Lp Process for high temperature peroxide bleaching of pulp with cool discharge
JP4967451B2 (ja) * 2006-05-17 2012-07-04 三菱瓦斯化学株式会社 漂白パルプの製造方法
CN101903591A (zh) * 2007-12-20 2010-12-01 三菱瓦斯化学株式会社 漂白纸浆的制造方法
US11193237B2 (en) * 2017-09-11 2021-12-07 Solenis Technologies, L.P. Method for enhanced oxygen delignification of chemical wood pulps

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE420430B (sv) * 1978-02-17 1981-10-05 Mo Och Domsjoe Ab Forfarande for blekning och extraktion av lignocellulosahaltig material med peroxidhaltiga blekmedel
FR2457339A1 (fr) * 1979-05-25 1980-12-19 Interox Procede pour la delignification et le blanchiment de pates cellulosiques chimiques et semi-chimiques
FR2566015B1 (fr) * 1984-06-15 1986-08-29 Centre Tech Ind Papier Procede de blanchiment de pate mecanique par le peroxyde d'hydrogene
FR2576930B1 (fr) * 1985-02-04 1988-08-12 Interox Procede pour la delignification et le blanchiment de pate a papier chimique ou semi-chimique de bagasse
DE402335T1 (de) * 1989-06-06 1992-04-09 Eka Nobel Ab, Surte Verfahren zum bleichen von lignocellulose enthaltenden zellstoffen.
US5091054A (en) * 1989-08-18 1992-02-25 Degussa Corporation Process for bleaching and delignification of lignocellulosic
SE469842C (sv) * 1992-01-21 1996-01-15 Sunds Defibrator Ind Ab Blekning av kemisk massa med peroxid

Also Published As

Publication number Publication date
FI933977L (fi) 1993-09-10
YU23892A (sh) 1994-06-10
YU48240B (sh) 1997-08-22
BE1004674A3 (fr) 1993-01-12
AU660301B2 (en) 1995-06-22
CA2105654A1 (fr) 1992-09-12
SK97293A3 (en) 1994-05-11
FI933977A0 (fi) 1993-09-10
NO933249L (no) 1993-09-10
WO1992015752A1 (fr) 1992-09-17
NZ241823A (en) 1994-09-27
US5698075A (en) 1997-12-16
ZA921626B (en) 1993-05-06
BR9205762A (pt) 1994-08-02
NO933249D0 (no) 1993-09-10
AU1325492A (en) 1992-10-06
EP0575374A1 (fr) 1993-12-29
NO301491B1 (no) 1997-11-03
FI933977A7 (fi) 1993-09-10
JPH06505063A (ja) 1994-06-09

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