NO905598D0 - PROCEDURE FOR WHEATING OF MASS. - Google Patents

PROCEDURE FOR WHEATING OF MASS.

Info

Publication number
NO905598D0
NO905598D0 NO905598A NO905598A NO905598D0 NO 905598 D0 NO905598 D0 NO 905598D0 NO 905598 A NO905598 A NO 905598A NO 905598 A NO905598 A NO 905598A NO 905598 D0 NO905598 D0 NO 905598D0
Authority
NO
Norway
Prior art keywords
wheating
procedure
mass
Prior art date
Application number
NO905598A
Other languages
Norwegian (no)
Other versions
NO905598L (en
NO176060B (en
NO176060C (en
Inventor
Charlotte Bosenius
Erik Nilsson
Petter Tibbling
Original Assignee
Kamyr Ab
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 Kamyr Ab filed Critical Kamyr Ab
Publication of NO905598D0 publication Critical patent/NO905598D0/en
Publication of NO905598L publication Critical patent/NO905598L/en
Publication of NO176060B publication Critical patent/NO176060B/en
Publication of NO176060C publication Critical patent/NO176060C/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
    • 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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
NO905598A 1989-12-29 1990-12-27 Method of bleaching pulp of cellulosic fibrous material NO176060C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8904404A SE467261B (en) 1989-12-29 1989-12-29 WHITING CELLULOSAMASSA WITH CHLORIDE Dioxide AND OZONE IN ONE AND SAME STEP

Publications (4)

Publication Number Publication Date
NO905598D0 true NO905598D0 (en) 1990-12-27
NO905598L NO905598L (en) 1991-07-01
NO176060B NO176060B (en) 1994-10-17
NO176060C NO176060C (en) 1995-01-25

Family

ID=20377905

Family Applications (1)

Application Number Title Priority Date Filing Date
NO905598A NO176060C (en) 1989-12-29 1990-12-27 Method of bleaching pulp of cellulosic fibrous material

Country Status (9)

Country Link
JP (1) JP2934512B2 (en)
AT (1) AT395444B (en)
BR (1) BR9006579A (en)
CA (1) CA2031850C (en)
DE (1) DE4039294C2 (en)
FI (1) FI95292C (en)
FR (1) FR2656633B1 (en)
NO (1) NO176060C (en)
SE (1) SE467261B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5322598A (en) * 1990-02-06 1994-06-21 Olin Corporation Chlorine dioxide generation using inert load of sodium perchlorate
US6174409B1 (en) 1997-09-19 2001-01-16 American Air Liquide Inc. Method to improve final bleached pulp strength properties by adjusting the CI02:03 ration within a single (D/Z) stage of the bleaching process
SE522593C2 (en) * 1999-07-06 2004-02-24 Kvaerner Pulping Tech Oxygen gas delignification system and method of pulp of lignocellulosic material
GB0322598D0 (en) 2003-09-26 2003-10-29 Victrex Mfg Ltd Polymeric material
JP5987223B2 (en) * 2012-03-06 2016-09-07 愛媛県 Method for producing cellulose solution, method for producing cellulose, method for saccharification of cellulose
CN110656527A (en) * 2019-09-12 2020-01-07 华南理工大学 Method and device for efficiently bleaching medium-consistency paper pulp by using ozone and chlorine dioxide in synergy mode

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1298875B (en) * 1965-01-09 1969-07-03 Gunnar Alexander Dipl Ing Process for bleaching cellulose in a chlorine bleach bath and with ozone
US4080249A (en) * 1976-06-02 1978-03-21 International Paper Company Delignification and bleaching of a lignocellulosic pulp slurry with ozone
US4902381A (en) * 1988-12-09 1990-02-20 Kamyr, Inc. Method of bleaching pulp with ozone-chlorine mixtures
US4959124A (en) * 1989-05-05 1990-09-25 International Paper Company Method of bleaching kraft pulp in a DZED sequence
FI89516B (en) * 1989-05-10 1993-06-30 Ahlstroem Oy Foerfarande Foer blekning av cellulosamassa med Otson

Also Published As

Publication number Publication date
SE8904404D0 (en) 1989-12-29
CA2031850C (en) 1995-11-21
FI95292C (en) 1996-01-10
SE8904404L (en) 1991-06-30
FI906401A (en) 1991-06-30
AT395444B (en) 1992-12-28
BR9006579A (en) 1991-10-01
FI95292B (en) 1995-09-29
JP2934512B2 (en) 1999-08-16
FI906401A0 (en) 1990-12-27
DE4039294C2 (en) 1993-11-11
NO905598L (en) 1991-07-01
DE4039294A1 (en) 1991-07-04
SE467261B (en) 1992-06-22
FR2656633B1 (en) 1996-06-07
FR2656633A1 (en) 1991-07-05
ATA251890A (en) 1992-05-15
CA2031850A1 (en) 1991-06-30
JPH04263687A (en) 1992-09-18
NO176060B (en) 1994-10-17
NO176060C (en) 1995-01-25

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