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BR9205762A - Processo para o alvejamento de uma pasta química de papel e aplicação deste processo ao alvejamento das pastas kraft - Google Patents

Processo para o alvejamento de uma pasta química de papel e aplicação deste processo ao alvejamento das pastas kraft

Info

Publication number
BR9205762A
BR9205762A BR9205762A BR9205762A BR9205762A BR 9205762 A BR9205762 A BR 9205762A BR 9205762 A BR9205762 A BR 9205762A BR 9205762 A BR9205762 A BR 9205762A BR 9205762 A BR9205762 A BR 9205762A
Authority
BR
Brazil
Prior art keywords
bleaching
applying
chemical pulp
kraft pulps
pulps
Prior art date
Application number
BR9205762A
Other languages
English (en)
Inventor
Nicholas Troughton
Marc Hoyos
Marcel Robberechts
Gilbert Vrambout
Original Assignee
Solvay Interox
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 filed Critical Solvay Interox
Publication of BR9205762A publication Critical patent/BR9205762A/pt

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)
BR9205762A 1991-03-11 1992-03-03 Processo para o alvejamento de uma pasta química de papel e aplicação deste processo ao alvejamento das pastas kraft BR9205762A (pt)

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
BR9205762A true BR9205762A (pt) 1994-08-02

Family

ID=3885381

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9205762A BR9205762A (pt) 1991-03-11 1992-03-03 Processo para o alvejamento de uma pasta química de papel e aplicação deste processo ao alvejamento das pastas kraft

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) FI933977L (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
WO1994012722A1 (en) * 1992-11-27 1994-06-09 Eka Nobel Ab Process for bleaching of lignocellulose-containing pulp
ES2096441T3 (es) * 1992-11-27 1997-03-01 Eka Chemicals Ab Procedimiento para deslignificar pasta que contiene lignocelulosa.
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
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
CA3075029A1 (en) * 2017-09-11 2019-03-14 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
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
NO301491B1 (no) 1997-11-03
SK97293A3 (en) 1994-05-11
NO933249D0 (no) 1993-09-10
AU660301B2 (en) 1995-06-22
ZA921626B (en) 1993-05-06
JPH06505063A (ja) 1994-06-09
EP0575374A1 (fr) 1993-12-29
YU48240B (sh) 1997-08-22
AU1325492A (en) 1992-10-06
US5698075A (en) 1997-12-16
NO933249L (no) 1993-09-10
FI933977A0 (fi) 1993-09-10
FI933977A7 (fi) 1993-09-10
MA22460A1 (fr) 1992-10-01
FI933977L (fi) 1993-09-10
NZ241823A (en) 1994-09-27
BE1004674A3 (fr) 1993-01-12
YU23892A (sh) 1994-06-10
WO1992015752A1 (fr) 1992-09-17
CA2105654A1 (fr) 1992-09-12

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Legal Events

Date Code Title Description
EE Request for examination
FF Decision: intention to grant
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law