CA1095765A - Controle de la temperature de blanchiment - Google Patents

Controle de la temperature de blanchiment

Info

Publication number
CA1095765A
CA1095765A CA302,128A CA302128A CA1095765A CA 1095765 A CA1095765 A CA 1095765A CA 302128 A CA302128 A CA 302128A CA 1095765 A CA1095765 A CA 1095765A
Authority
CA
Canada
Prior art keywords
bleaching
displacement
pulp
stage
chlorine dioxide
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.)
Expired
Application number
CA302,128A
Other languages
English (en)
Inventor
Johan E. Gullichsen
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.)
Andritz Inc
Original Assignee
Andritz Ahlstrom Inc
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 Andritz Ahlstrom Inc filed Critical Andritz Ahlstrom Inc
Application granted granted Critical
Publication of CA1095765A publication Critical patent/CA1095765A/fr
Expired 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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1031—Pulse, dynamic, displacement processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
CA302,128A 1977-05-06 1978-04-27 Controle de la temperature de blanchiment Expired CA1095765A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US79464577A 1977-05-06 1977-05-06
US794,645 1977-05-06

Publications (1)

Publication Number Publication Date
CA1095765A true CA1095765A (fr) 1981-02-17

Family

ID=25163233

Family Applications (1)

Application Number Title Priority Date Filing Date
CA302,128A Expired CA1095765A (fr) 1977-05-06 1978-04-27 Controle de la temperature de blanchiment

Country Status (5)

Country Link
JP (1) JPS53143705A (fr)
BR (1) BR7802833A (fr)
CA (1) CA1095765A (fr)
FI (1) FI781303A7 (fr)
SE (1) SE7804567L (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0819631B2 (ja) * 1990-11-30 1996-02-28 新王子製紙株式会社 リグノセルロース物質の漂白方法

Also Published As

Publication number Publication date
BR7802833A (pt) 1978-12-19
JPS53143705A (en) 1978-12-14
FI781303A7 (fi) 1978-11-07
SE7804567L (sv) 1978-11-07

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Legal Events

Date Code Title Description
MKEX Expiry