JPH0748792A - ペーパーパルプの漂白方法 - Google Patents

ペーパーパルプの漂白方法

Info

Publication number
JPH0748792A
JPH0748792A JP6163768A JP16376894A JPH0748792A JP H0748792 A JPH0748792 A JP H0748792A JP 6163768 A JP6163768 A JP 6163768A JP 16376894 A JP16376894 A JP 16376894A JP H0748792 A JPH0748792 A JP H0748792A
Authority
JP
Japan
Prior art keywords
pulp
content
dry pulp
consistency
temperature
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.)
Pending
Application number
JP6163768A
Other languages
English (en)
Japanese (ja)
Inventor
Pierre Ledoux
レドゥー ピエール
Buyl Eric De
ド ビュイ エリック
Rene Detroz
デトロ ルネ
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 SA
Original Assignee
Solvay 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 SA filed Critical Solvay SA
Publication of JPH0748792A publication Critical patent/JPH0748792A/ja
Pending 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
    • D21C9/147—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)
JP6163768A 1993-07-15 1994-07-15 ペーパーパルプの漂白方法 Pending JPH0748792A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE09300745 1993-07-15
BE9300745A BE1007272A3 (fr) 1993-07-15 1993-07-15 Procede pour le blanchiment d'une pate a papier.

Publications (1)

Publication Number Publication Date
JPH0748792A true JPH0748792A (ja) 1995-02-21

Family

ID=3887196

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6163768A Pending JPH0748792A (ja) 1993-07-15 1994-07-15 ペーパーパルプの漂白方法

Country Status (11)

Country Link
EP (1) EP0634520A1 (fr)
JP (1) JPH0748792A (fr)
AU (1) AU682363B2 (fr)
BE (1) BE1007272A3 (fr)
BR (1) BR9402833A (fr)
CA (1) CA2127582A1 (fr)
FI (1) FI943388A7 (fr)
NO (1) NO942651L (fr)
NZ (1) NZ260982A (fr)
YU (1) YU45394A (fr)
ZA (1) ZA945110B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1053997A (ja) * 1996-07-31 1998-02-24 Oji Paper Co Ltd 印刷用塗被紙の製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5179021A (en) * 1989-02-10 1993-01-12 Gil Inc. (Now Ici Canada Inc.) Pulp bleaching process comprising oxygen delignification and xylanase enzyme treatment
DE4008893A1 (de) * 1990-03-20 1991-09-26 Call Hans Peter Verfahren zum enzymatischen bleichen von zellstoffen
DK30991D0 (da) * 1991-02-22 1991-02-22 Novo Nordisk As Hidtil ukendte enzymer
NZ239500A (en) * 1990-08-24 1993-08-26 Novo Nordisk As Xylanases obtained from bacillus pumilus and use in a lignocellulosic chemical pulping process
AT400153B (de) * 1991-05-02 1995-10-25 Voest Alpine Ind Anlagen Verfahren zum bleichen von xylan- und lignocellulosehältigen materialien

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1053997A (ja) * 1996-07-31 1998-02-24 Oji Paper Co Ltd 印刷用塗被紙の製造方法

Also Published As

Publication number Publication date
NO942651L (no) 1995-01-16
ZA945110B (en) 1995-02-23
YU45394A (sh) 1996-10-18
FI943388A0 (fi) 1994-07-15
CA2127582A1 (fr) 1995-01-16
NO942651D0 (no) 1994-07-14
FI943388L (fi) 1995-01-16
AU6743194A (en) 1995-01-27
BR9402833A (pt) 1995-04-04
FI943388A7 (fi) 1995-01-16
EP0634520A1 (fr) 1995-01-18
AU682363B2 (en) 1997-10-02
NZ260982A (en) 1994-12-22
BE1007272A3 (fr) 1995-05-09

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