AU5400194A - Bleaching method for alkaline sulphate pulp - Google Patents

Bleaching method for alkaline sulphate pulp

Info

Publication number
AU5400194A
AU5400194A AU54001/94A AU5400194A AU5400194A AU 5400194 A AU5400194 A AU 5400194A AU 54001/94 A AU54001/94 A AU 54001/94A AU 5400194 A AU5400194 A AU 5400194A AU 5400194 A AU5400194 A AU 5400194A
Authority
AU
Australia
Prior art keywords
bleaching method
sulphate pulp
alkaline sulphate
alkaline
pulp
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.)
Abandoned
Application number
AU54001/94A
Inventor
Goran Annergren
Staffan Berg
Maria Lundin
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.)
SCA Wifsta Ostrand AB
Original Assignee
SCA Wifsta Ostrand 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 SCA Wifsta Ostrand AB filed Critical SCA Wifsta Ostrand AB
Publication of AU5400194A publication Critical patent/AU5400194A/en
Abandoned 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • 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)
  • Paper (AREA)
AU54001/94A 1992-10-26 1993-10-25 Bleaching method for alkaline sulphate pulp Abandoned AU5400194A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9203121 1992-10-26
SE9203121A SE500335C2 (en) 1992-10-26 1992-10-26 Bleaching of sulfate pulp with peroxide-ozone-peroxide
PCT/SE1993/000867 WO1994010378A1 (en) 1992-10-26 1993-10-25 Bleaching method for alkaline sulphate pulp

Publications (1)

Publication Number Publication Date
AU5400194A true AU5400194A (en) 1994-05-24

Family

ID=20387555

Family Applications (1)

Application Number Title Priority Date Filing Date
AU54001/94A Abandoned AU5400194A (en) 1992-10-26 1993-10-25 Bleaching method for alkaline sulphate pulp

Country Status (3)

Country Link
AU (1) AU5400194A (en)
SE (1) SE500335C2 (en)
WO (1) WO1994010378A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9402542D0 (en) * 1994-07-20 1994-07-20 Kvaerner Pulping Tech Method and apparatus for bleaching with pressurized peroxide

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT380496B (en) * 1984-06-27 1986-05-26 Steyrermuehl Papier METHOD AND REACTOR FOR DELIGNIFYING CELLULAR WITH OXYGEN
AU636173B2 (en) * 1989-10-30 1993-04-22 Lenzing Aktiengesellschaft Method for the chlorine-free bleaching of pulps
AT395028B (en) * 1990-02-07 1992-08-25 Chemiefaser Lenzing Ag METHOD FOR CHLORINE-FREE BLEACHING OF FIBER FIBER

Also Published As

Publication number Publication date
SE9203121L (en) 1994-04-27
WO1994010378A1 (en) 1994-05-11
SE9203121D0 (en) 1992-10-26
SE500335C2 (en) 1994-06-06

Similar Documents

Publication Publication Date Title
AU4170693A (en) Process for the delignification of a chemical paper pulp
AU636173B2 (en) Method for the chlorine-free bleaching of pulps
GB2296726B (en) Process for making refined cellulose
AU4170593A (en) Process for bleaching a chemical paper pulp
ZA944335B (en) Pulp production
AU1239897A (en) Washing of pulp
AU9249698A (en) Method for bleaching mechanical pulp
AU7575794A (en) Process for bleaching a chemical paper pulp
AU1584295A (en) Pulp bleaching
AU4534693A (en) Mass cellulose deacidification process
AU5400294A (en) Method for peroxide bleaching of sulphate pulp
AU3712195A (en) A method for treating acid and alkaline waste streams from a bleach plant separately
AU7720094A (en) Improved method for bleaching lignocellulosic pulp
AU6206094A (en) Chemical paper pulp delignification method
AU5400194A (en) Bleaching method for alkaline sulphate pulp
AU1474795A (en) Pulp bleaching method
AU5558196A (en) Pulping process
ZA955971B (en) Method of bleaching pulp
ZA979999B (en) Method of pulp bleaching.
AU2413088A (en) Pulp bleaching process
AU1168892A (en) Process for bleaching pulp
AU4687789A (en) A process for bleaching paper stock
AU6743194A (en) Process for bleaching a paper pulp
ZA946761B (en) Method for bleaching lignocellulosic pulp
ZA959201B (en) A method of treating cellulose pulp