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SK97293A3 - Method for bleaching a chemical pulp and application of such method to the bleaching of a kraft pulp - Google Patents

Method for bleaching a chemical pulp and application of such method to the bleaching of a kraft pulp Download PDF

Info

Publication number
SK97293A3
SK97293A3 SK972-93A SK97293A SK97293A3 SK 97293 A3 SK97293 A3 SK 97293A3 SK 97293 A SK97293 A SK 97293A SK 97293 A3 SK97293 A3 SK 97293A3
Authority
SK
Slovakia
Prior art keywords
slurry
stage
bleaching
hydrogen peroxide
chlorine
Prior art date
Application number
SK972-93A
Other languages
English (en)
Slovak (sk)
Inventor
Nicholas Troughton
Marc Hoyos
Marcel Robberechts
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 SK97293A3 publication Critical patent/SK97293A3/sk

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)
SK972-93A 1991-03-11 1992-03-03 Method for bleaching a chemical pulp and application of such method to the bleaching of a kraft pulp SK97293A3 (en)

Applications Claiming Priority (2)

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.
PCT/EP1992/000469 WO1992015752A1 (fr) 1991-03-11 1992-03-03 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
SK97293A3 true SK97293A3 (en) 1994-05-11

Family

ID=3885381

Family Applications (1)

Application Number Title Priority Date Filing Date
SK972-93A SK97293A3 (en) 1991-03-11 1992-03-03 Method for bleaching a chemical pulp and application of such method to the bleaching of a kraft pulp

Country Status (15)

Country Link
US (1) US5698075A (pt)
EP (1) EP0575374A1 (pt)
JP (1) JPH06505063A (pt)
AU (1) AU660301B2 (pt)
BE (1) BE1004674A3 (pt)
BR (1) BR9205762A (pt)
CA (1) CA2105654A1 (pt)
FI (1) FI933977A (pt)
MA (1) MA22460A1 (pt)
NO (1) NO301491B1 (pt)
NZ (1) NZ241823A (pt)
SK (1) SK97293A3 (pt)
WO (1) WO1992015752A1 (pt)
YU (1) YU48240B (pt)
ZA (1) ZA921626B (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ258273A (en) * 1992-11-27 1996-08-27 Eka Nobel Ab Bleaching lignocellulose pulp using a complexing agent followed by a peracid
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
US5785812A (en) * 1992-11-27 1998-07-28 Eka Nobel Ab Process for treating oxygen delignified pulp using an organic peracid or salt, complexing agent and peroxide bleach sequence
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
JP5487974B2 (ja) * 2007-12-20 2014-05-14 三菱瓦斯化学株式会社 漂白パルプの製造方法
CN111344455B (zh) * 2017-09-11 2022-10-28 索理思科技公司 用于增强化学木浆的氧脱木质素的方法

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
ES2038097T5 (es) * 1989-06-06 2001-05-01 Eka Chemicals Ab Procedimiento para blanquear pastas papeleras que contienen lignocelulosa.
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
YU23892A (sh) 1994-06-10
WO1992015752A1 (fr) 1992-09-17
AU1325492A (en) 1992-10-06
BR9205762A (pt) 1994-08-02
ZA921626B (en) 1993-05-06
FI933977A0 (fi) 1993-09-10
US5698075A (en) 1997-12-16
EP0575374A1 (fr) 1993-12-29
BE1004674A3 (fr) 1993-01-12
AU660301B2 (en) 1995-06-22
MA22460A1 (fr) 1992-10-01
NZ241823A (en) 1994-09-27
CA2105654A1 (fr) 1992-09-12
NO933249L (no) 1993-09-10
NO301491B1 (no) 1997-11-03
JPH06505063A (ja) 1994-06-09
FI933977A (fi) 1993-09-10
NO933249D0 (no) 1993-09-10
YU48240B (sh) 1997-08-22

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