BE1007272A3 - Procede pour le blanchiment d'une pate a papier. - Google Patents

Procede pour le blanchiment d'une pate a papier. Download PDF

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Publication number
BE1007272A3
BE1007272A3 BE9300745A BE9300745A BE1007272A3 BE 1007272 A3 BE1007272 A3 BE 1007272A3 BE 9300745 A BE9300745 A BE 9300745A BE 9300745 A BE9300745 A BE 9300745A BE 1007272 A3 BE1007272 A3 BE 1007272A3
Authority
BE
Belgium
Prior art keywords
sep
dry
sequence
content
stage
Prior art date
Application number
BE9300745A
Other languages
English (en)
French (fr)
Original Assignee
Solvay
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 filed Critical Solvay
Priority to BE9300745A priority Critical patent/BE1007272A3/fr
Priority to CA002127582A priority patent/CA2127582A1/fr
Priority to EP94202003A priority patent/EP0634520A1/fr
Priority to NZ260982A priority patent/NZ260982A/en
Priority to AU67431/94A priority patent/AU682363B2/en
Priority to ZA945110A priority patent/ZA945110B/xx
Priority to NO942651A priority patent/NO942651L/no
Priority to JP6163768A priority patent/JPH0748792A/ja
Priority to FI943388A priority patent/FI943388A/fi
Priority to YU45394A priority patent/YU45394A/sh
Priority to BR9402833A priority patent/BR9402833A/pt
Application granted granted Critical
Publication of BE1007272A3 publication Critical patent/BE1007272A3/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
    • D21C9/147—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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
    • 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
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Paper (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
BE9300745A 1993-07-15 1993-07-15 Procede pour le blanchiment d'une pate a papier. BE1007272A3 (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
BE9300745A BE1007272A3 (fr) 1993-07-15 1993-07-15 Procede pour le blanchiment d'une pate a papier.
CA002127582A CA2127582A1 (fr) 1993-07-15 1994-07-07 Procede pour le blanchiment d'une pate a papier
EP94202003A EP0634520A1 (fr) 1993-07-15 1994-07-11 Procédé pour le blanchiment d'une pâte à papier
NZ260982A NZ260982A (en) 1993-07-15 1994-07-12 Bleaching paper pulp using oxygen, an enzyme, a treatment selected from peroxide, sequestrant and ozone; no chlorine-containing reactants are used
AU67431/94A AU682363B2 (en) 1993-07-15 1994-07-13 Process for bleaching a paper pulp
ZA945110A ZA945110B (en) 1993-07-15 1994-07-13 Process for bleaching a paper pulp
NO942651A NO942651L (no) 1993-07-15 1994-07-14 Fremgangsmåte for bleking av papirmasse
JP6163768A JPH0748792A (ja) 1993-07-15 1994-07-15 ペーパーパルプの漂白方法
FI943388A FI943388A (fi) 1993-07-15 1994-07-15 Menetelmä paperimassan valkaisemiseksi
YU45394A YU45394A (sh) 1993-07-15 1994-07-15 Postupak za beljenje papirne mase
BR9402833A BR9402833A (pt) 1993-07-15 1994-07-15 Processo para o branqueamento de uma pasta de papel e aplicação do mesmo

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9300745A BE1007272A3 (fr) 1993-07-15 1993-07-15 Procede pour le blanchiment d'une pate a papier.

Publications (1)

Publication Number Publication Date
BE1007272A3 true BE1007272A3 (fr) 1995-05-09

Family

ID=3887196

Family Applications (1)

Application Number Title Priority Date Filing Date
BE9300745A BE1007272A3 (fr) 1993-07-15 1993-07-15 Procede pour le blanchiment d'une pate a papier.

Country Status (11)

Country Link
EP (1) EP0634520A1 (no)
JP (1) JPH0748792A (no)
AU (1) AU682363B2 (no)
BE (1) BE1007272A3 (no)
BR (1) BR9402833A (no)
CA (1) CA2127582A1 (no)
FI (1) FI943388A (no)
NO (1) NO942651L (no)
NZ (1) NZ260982A (no)
YU (1) YU45394A (no)
ZA (1) ZA945110B (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3610686B2 (ja) * 1996-07-31 2005-01-19 王子製紙株式会社 印刷用塗被紙の製造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0386888A2 (en) * 1989-02-10 1990-09-12 ICI Canada Inc. Oxygen delignification and enzyme treatment
EP0447673A1 (de) * 1990-03-20 1991-09-25 LIGNOZYM GESELLSCHAFT ZUR HERSTELLUNG UND ZUM VERTRIEB VON ENZYMEN mbH Verfahren zum enzymatischen Bleichen von Zellstoffen
WO1992003540A1 (en) * 1990-08-24 1992-03-05 Novo Nordisk A/S Enzymes with xylanolytic activity
EP0512978A1 (de) * 1991-05-02 1992-11-11 VOEST-ALPINE Industrieanlagenbau GmbH Verfahren zum Bleichen von xylan- und lignocellulosehältigen Materialien

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK30991D0 (da) * 1991-02-22 1991-02-22 Novo Nordisk As Hidtil ukendte enzymer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0386888A2 (en) * 1989-02-10 1990-09-12 ICI Canada Inc. Oxygen delignification and enzyme treatment
EP0447673A1 (de) * 1990-03-20 1991-09-25 LIGNOZYM GESELLSCHAFT ZUR HERSTELLUNG UND ZUM VERTRIEB VON ENZYMEN mbH Verfahren zum enzymatischen Bleichen von Zellstoffen
WO1992003540A1 (en) * 1990-08-24 1992-03-05 Novo Nordisk A/S Enzymes with xylanolytic activity
EP0512978A1 (de) * 1991-05-02 1992-11-11 VOEST-ALPINE Industrieanlagenbau GmbH Verfahren zum Bleichen von xylan- und lignocellulosehältigen Materialien

Also Published As

Publication number Publication date
AU6743194A (en) 1995-01-27
BR9402833A (pt) 1995-04-04
ZA945110B (en) 1995-02-23
YU45394A (sh) 1996-10-18
NO942651D0 (no) 1994-07-14
FI943388A0 (fi) 1994-07-15
AU682363B2 (en) 1997-10-02
NO942651L (no) 1995-01-16
NZ260982A (en) 1994-12-22
FI943388A (fi) 1995-01-16
CA2127582A1 (fr) 1995-01-16
EP0634520A1 (fr) 1995-01-18
JPH0748792A (ja) 1995-02-21

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: S.A. SOLVAY

Effective date: 19980731