AU6859891A - A process for countercurrent washing and bleaching of a pulp from chemical pulping - Google Patents

A process for countercurrent washing and bleaching of a pulp from chemical pulping

Info

Publication number
AU6859891A
AU6859891A AU68598/91A AU6859891A AU6859891A AU 6859891 A AU6859891 A AU 6859891A AU 68598/91 A AU68598/91 A AU 68598/91A AU 6859891 A AU6859891 A AU 6859891A AU 6859891 A AU6859891 A AU 6859891A
Authority
AU
Australia
Prior art keywords
bleaching
pulp
chemical pulping
countercurrent washing
countercurrent
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
AU68598/91A
Inventor
Not Given Name
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.)
Jaakko Poyry Oy
Original Assignee
Poeyry Jaakko & Co Oy
Jaakko Poyry Oy
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 Poeyry Jaakko & Co Oy, Jaakko Poyry Oy filed Critical Poeyry Jaakko & Co Oy
Publication of AU6859891A publication Critical patent/AU6859891A/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
    • 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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
AU68598/91A 1990-01-11 1991-01-04 A process for countercurrent washing and bleaching of a pulp from chemical pulping Abandoned AU6859891A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI900162A FI86895C (en) 1990-01-11 1990-01-11 Method for countercurrent washing and bleaching of cellulose boiling pulp
FI900162 1990-01-11

Publications (1)

Publication Number Publication Date
AU6859891A true AU6859891A (en) 1991-07-18

Family

ID=8529679

Family Applications (1)

Application Number Title Priority Date Filing Date
AU68598/91A Abandoned AU6859891A (en) 1990-01-11 1991-01-04 A process for countercurrent washing and bleaching of a pulp from chemical pulping

Country Status (6)

Country Link
JP (1) JP3001990B2 (en)
AU (1) AU6859891A (en)
BR (1) BR9100093A (en)
CA (1) CA2033855A1 (en)
FI (1) FI86895C (en)
SE (1) SE510558C2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU647020B2 (en) * 1989-04-07 1994-03-17 Hackman Prosessi Oy Ab A process for treating a fiber pulp with a chemical solution

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU647020B2 (en) * 1989-04-07 1994-03-17 Hackman Prosessi Oy Ab A process for treating a fiber pulp with a chemical solution

Also Published As

Publication number Publication date
FI86895C (en) 1997-01-15
JPH04333684A (en) 1992-11-20
JP3001990B2 (en) 2000-01-24
BR9100093A (en) 1991-10-22
FI900162A (en) 1991-07-12
FI900162A0 (en) 1990-01-11
CA2033855A1 (en) 1991-07-12
FI86895B (en) 1992-07-15
SE510558C2 (en) 1999-06-07
SE9100024D0 (en) 1991-01-04
SE9100024L (en) 1991-07-12

Similar Documents

Publication Publication Date Title
AR243946A1 (en) Process for the chlorine-free bleaching of pulp
AU4170693A (en) Process for the delignification of a chemical paper pulp
AU4170593A (en) Process for bleaching a chemical paper pulp
AU7575794A (en) Process for bleaching a chemical paper pulp
GB2248075B (en) Chlorine-free process for bleaching pulp
AU3602295A (en) Process for delignification and bleaching of chemical wood pulps
EP0443640A3 (en) Bleaching process and bleach compositions
AU1325492A (en) Process for bleaching a chemical paper pulp
NO971407L (en) Process for delignification and bleaching of chemical pulp
AU6859891A (en) A process for countercurrent washing and bleaching of a pulp from chemical pulping
CA2094819A1 (en) Pulping process
PL287416A1 (en) Cellulosic pulp bleaching process using chlorine dioxide and chlorine
ZA941468B (en) Process for the delignification of a chemical paper pulp
ZA911062B (en) Bleaching of paper pulp
AU636766B2 (en) Pneumatic reactor ozone bleaching of paper pulp
NO934406D0 (en) Process for Bleaching and Delignification of Chemical Pulp
PH21180A (en) Process for the delignification and bleaching of chemical or semi-chemical bagasse pulp
ZA963288B (en) A process of bleaching fabrics
NO950954D0 (en) Process of bleaching pulp
AU7752991A (en) Bleaching of chemical pulp
AU2413088A (en) Pulp bleaching process
ZA938751B (en) Process for bleaching of lignocellulose-containing pulp
ZA938748B (en) Process for delignification of lignocellulose-containing pulp
ZA978715B (en) Process for the delignification and bleaching of chemical pulp
ZA945110B (en) Process for bleaching a paper pulp