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YU45394A - PAPER BLEACHING PROCEDURE - Google Patents

PAPER BLEACHING PROCEDURE

Info

Publication number
YU45394A
YU45394A YU45394A YU45394A YU45394A YU 45394 A YU45394 A YU 45394A YU 45394 A YU45394 A YU 45394A YU 45394 A YU45394 A YU 45394A YU 45394 A YU45394 A YU 45394A
Authority
YU
Yugoslavia
Prior art keywords
bleaching procedure
paper bleaching
paper
procedure
enzyme
Prior art date
Application number
YU45394A
Other languages
Serbo-Croatian (sh)
Inventor
P. Ledoux
E. De Buyl
R. Detroz
Original Assignee
Solvay (Societe Anonyme)
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 (Societe Anonyme) filed Critical Solvay (Societe Anonyme)
Publication of YU45394A publication Critical patent/YU45394A/en

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)

Abstract

Postupak za beljenje papirne mase pomoću niza faza obrade bez hlorisanih reagenasa ili hlora tipa TCF ili ECF koji sadrži jednu dodatnu fazu obrade sa bar jednim enzimom.Process for bleaching paper pulp by a series of processing steps without chlorinated reagents or chlorine type TCF or ECF containing one additional processing step with at least one enzyme.

YU45394A 1993-07-15 1994-07-15 PAPER BLEACHING PROCEDURE YU45394A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9300745A BE1007272A3 (en) 1993-07-15 1993-07-15 Method of a pulp bleach.

Publications (1)

Publication Number Publication Date
YU45394A true YU45394A (en) 1996-10-18

Family

ID=3887196

Family Applications (1)

Application Number Title Priority Date Filing Date
YU45394A YU45394A (en) 1993-07-15 1994-07-15 PAPER BLEACHING PROCEDURE

Country Status (11)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3610686B2 (en) * 1996-07-31 2005-01-19 王子製紙株式会社 Method for producing coated paper for printing

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 (en) * 1990-03-20 1991-09-26 Call Hans Peter METHOD FOR ENZYMATIC BLEACHING OF CELLULAS
DK30991D0 (en) * 1991-02-22 1991-02-22 Novo Nordisk As Hitherto UNKNOWN ENZYMS
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 (en) * 1991-05-02 1995-10-25 Voest Alpine Ind Anlagen METHOD FOR BLEACHING MATERIALS CONTAINING XYLAN AND LIGNOCELLULOSE

Also Published As

Publication number Publication date
FI943388A (en) 1995-01-16
NO942651L (en) 1995-01-16
AU6743194A (en) 1995-01-27
BE1007272A3 (en) 1995-05-09
FI943388A0 (en) 1994-07-15
ZA945110B (en) 1995-02-23
NO942651D0 (en) 1994-07-14
EP0634520A1 (en) 1995-01-18
NZ260982A (en) 1994-12-22
JPH0748792A (en) 1995-02-21
CA2127582A1 (en) 1995-01-16
BR9402833A (en) 1995-04-04
AU682363B2 (en) 1997-10-02

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