AU651462B2 - Bleaching and delignification of pulp - Google Patents

Bleaching and delignification of pulp Download PDF

Info

Publication number
AU651462B2
AU651462B2 AU18775/92A AU1877592A AU651462B2 AU 651462 B2 AU651462 B2 AU 651462B2 AU 18775/92 A AU18775/92 A AU 18775/92A AU 1877592 A AU1877592 A AU 1877592A AU 651462 B2 AU651462 B2 AU 651462B2
Authority
AU
Australia
Prior art keywords
document
date
pulp
stage
international
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.)
Ceased
Application number
AU18775/92A
Other languages
English (en)
Other versions
AU1877592A (en
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 INTEROX
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 AU1877592A publication Critical patent/AU1877592A/en
Application granted granted Critical
Publication of AU651462B2 publication Critical patent/AU651462B2/en
Anticipated expiration legal-status Critical
Ceased 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)
AU18775/92A 1991-06-06 1992-06-01 Bleaching and delignification of pulp Ceased AU651462B2 (en)

Applications Claiming Priority (3)

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

Publications (2)

Publication Number Publication Date
AU1877592A AU1877592A (en) 1993-01-08
AU651462B2 true AU651462B2 (en) 1994-07-21

Family

ID=3885547

Family Applications (1)

Application Number Title Priority Date Filing Date
AU18775/92A Ceased AU651462B2 (en) 1991-06-06 1992-06-01 Bleaching and delignification of pulp

Country Status (16)

Country Link
EP (1) EP0587822B1 (fr)
JP (1) JPH06507683A (fr)
AR (1) AR247257A1 (fr)
AT (1) ATE127179T1 (fr)
AU (1) AU651462B2 (fr)
BE (1) BE1004974A3 (fr)
BR (1) BR9206112A (fr)
CA (1) CA2110698A1 (fr)
DE (1) DE69204457T2 (fr)
ES (1) ES2079209T3 (fr)
FI (1) FI935422L (fr)
NO (1) NO302129B1 (fr)
NZ (1) NZ242996A (fr)
WO (1) WO1992021814A1 (fr)
YU (1) YU48264B (fr)
ZA (1) ZA924021B (fr)

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
FI964715L (fi) * 1996-11-26 1998-05-27 Keskuslaboratorio Menetelmä selluloosamassan valkaisemiseksi
EP0931874A1 (fr) * 1998-01-22 1999-07-28 Degussa-Hüls Aktiengesellschaft Procédé pour le blanchiment d'une pâte comprenant une étape finale de traitement avec un sel de l'acide peroxymonosulfurique

Citations (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
EP0415149A2 (fr) * 1989-08-18 1991-03-06 Degussa Aktiengesellschaft Procédé de blanchiment et délignification de matériau lignocellulosique

Patent Citations (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
EP0415149A2 (fr) * 1989-08-18 1991-03-06 Degussa Aktiengesellschaft Procédé de blanchiment et délignification de matériau lignocellulosique

Also Published As

Publication number Publication date
DE69204457T2 (de) 1996-04-18
FI935422A0 (fi) 1993-12-03
FI935422A7 (fi) 1994-01-11
CA2110698A1 (fr) 1992-12-10
DE69204457D1 (de) 1995-10-05
EP0587822B1 (fr) 1995-08-30
AU1877592A (en) 1993-01-08
EP0587822A1 (fr) 1994-03-23
BE1004974A3 (fr) 1993-03-09
BR9206112A (pt) 1995-10-10
WO1992021814A1 (fr) 1992-12-10
NZ242996A (en) 1995-01-27
NO934406L (no) 1994-01-26
NO934406D0 (no) 1993-12-03
FI935422L (fi) 1994-01-11
ES2079209T3 (es) 1996-01-01
YU48264B (sh) 1997-09-30
YU58792A (sh) 1994-09-09
NO302129B1 (no) 1998-01-26
ATE127179T1 (de) 1995-09-15
AR247257A1 (es) 1994-11-30
ZA924021B (en) 1993-02-24
JPH06507683A (ja) 1994-09-01

Similar Documents

Publication Publication Date Title
AU654624B2 (en) Process for the delignification of a chemical paper pulp
JP7671075B2 (ja) 硫酸組成物およびその使用
CA1144711A (fr) Methode pour blanchir des pates grace a un peracide organique
US4459174A (en) Process for the delignification and bleaching of chemical and semi-chemical cellulosic pulps
CN114174589A (zh) 漂白纸浆的制造方法
FI111170B (fi) Menetelmä kemiallisen paperimassan valkaisemiseksi
US20110174451A1 (en) Process for Delignifying and Bleaching Chemical Pulp
CN102704305A (zh) 漂白纸浆的制备方法以及一种纸
AU683461B2 (en) Improved ozone/peracid process for delignifying a lignocellulosic material
AU651462B2 (en) Bleaching and delignification of pulp
BRPI0608719A2 (pt) produto e processos a partir de uma biorrefinaria de floresta integrada
AU660301B2 (en) Process for bleaching a chemical paper pulp
PT763156E (pt) Processo para remocao de compostos metalicos em pasta lenhocelulosica
JP3325324B2 (ja) 粗セルロースの脱リグニン化方法
JPH08507332A (ja) 製紙用化学パルプの脱リグニン方法
AU6130794A (en) Improved process and composition for delignifying a lignocellulosic material
CA2230961A1 (fr) Procede de production d'une pate blanchie
SU787519A1 (ru) Способ получени целлюлозы
WO2022102206A1 (fr) Procédé de production de pâte à papier blanchie
HRP920940A2 (en) Process for bleaching and delignifying chemical paper pulp for kraft and asam paper
CZ297592A3 (en) Method of improving lignin splitting selectivity of a paper pulp
JP2004270121A (ja) 漂白パルプの製造方法
JPH0748792A (ja) ペーパーパルプの漂白方法
AU8787798A (en) Process for the bleaching of chemical paper pulps
SE515186C2 (sv) Blekning av kemisk massa med syrgas och perättiksyra