CA1001803A - Method of treating cellulose pulp - Google Patents

Method of treating cellulose pulp

Info

Publication number
CA1001803A
CA1001803A CA174,459A CA174459A CA1001803A CA 1001803 A CA1001803 A CA 1001803A CA 174459 A CA174459 A CA 174459A CA 1001803 A CA1001803 A CA 1001803A
Authority
CA
Canada
Prior art keywords
cellulose pulp
treating cellulose
treating
pulp
cellulose
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
CA174,459A
Other languages
English (en)
Other versions
CA174459S (en
Inventor
Rune Gustavsson
Brita Swan
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.)
Billeruds AB
Original Assignee
Billeruds 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 Billeruds AB filed Critical Billeruds AB
Application granted granted Critical
Publication of CA1001803A publication Critical patent/CA1001803A/en
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
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
CA174,459A 1972-06-22 1973-06-19 Method of treating cellulose pulp Expired CA1001803A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7208288A SE364323C (sv) 1972-06-22 1972-06-22 Sett att behandla cellulosamassa i alkalisk miljo

Publications (1)

Publication Number Publication Date
CA1001803A true CA1001803A (en) 1976-12-21

Family

ID=20273652

Family Applications (1)

Application Number Title Priority Date Filing Date
CA174,459A Expired CA1001803A (en) 1972-06-22 1973-06-19 Method of treating cellulose pulp

Country Status (6)

Country Link
JP (1) JPS5536753B2 (enExample)
BR (1) BR7304637D0 (enExample)
CA (1) CA1001803A (enExample)
FI (1) FI60734C (enExample)
FR (1) FR2189572A1 (enExample)
SE (1) SE364323C (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4229252A (en) * 1979-01-11 1980-10-21 Weyerhaeuser Company Additives for ozone bleaching
SE441192B (sv) * 1980-05-27 1985-09-16 Mo Och Domsjoe Ab Forfarande for delignifiering av kemisk cellulosamassa med syrgas i nervaro av ett eller flera neutralisationsmedel
BR9102464A (pt) * 1991-06-14 1993-01-12 White Martins Sa Aperfeicoamento em processo de deslignificacao com oxigenio de polpa lignocelulosica

Also Published As

Publication number Publication date
BR7304637D0 (pt) 1974-09-05
FI60734C (fi) 1982-03-10
JPS4948903A (enExample) 1974-05-11
SE364323B (enExample) 1974-02-18
FR2189572B1 (enExample) 1977-05-13
FR2189572A1 (en) 1974-01-25
JPS5536753B2 (enExample) 1980-09-24
SE364323C (sv) 1976-04-12
FI60734B (fi) 1981-11-30

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