CA1268906A - Procedure for delignification of sulphate pulp - Google Patents

Procedure for delignification of sulphate pulp

Info

Publication number
CA1268906A
CA1268906A CA000500799A CA500799A CA1268906A CA 1268906 A CA1268906 A CA 1268906A CA 000500799 A CA000500799 A CA 000500799A CA 500799 A CA500799 A CA 500799A CA 1268906 A CA1268906 A CA 1268906A
Authority
CA
Canada
Prior art keywords
pulp
procedure according
polysulphide
treatment
weight
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 - Fee Related
Application number
CA000500799A
Other languages
English (en)
French (fr)
Inventor
Isa Noren
Josef Gierer
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.)
AGA AB
Original Assignee
AGA 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 AGA AB filed Critical AGA AB
Application granted granted Critical
Publication of CA1268906A publication Critical patent/CA1268906A/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • 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
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
CA000500799A 1985-02-01 1986-01-31 Procedure for delignification of sulphate pulp Expired - Fee Related CA1268906A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8500472-9 1985-02-01
SE8500472A SE452483B (sv) 1985-02-01 1985-02-01 Forfarande for delignifiering av sulfatmassa

Publications (1)

Publication Number Publication Date
CA1268906A true CA1268906A (en) 1990-05-15

Family

ID=20358977

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000500799A Expired - Fee Related CA1268906A (en) 1985-02-01 1986-01-31 Procedure for delignification of sulphate pulp

Country Status (3)

Country Link
CA (1) CA1268906A (fi)
FI (1) FI81135C (fi)
SE (1) SE452483B (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8704041L (sv) * 1987-10-16 1989-04-17 Sca Development Ab Saett vid blekning av cellulosamassa

Also Published As

Publication number Publication date
SE452483B (sv) 1987-11-30
FI860421A (fi) 1986-08-02
SE8500472D0 (sv) 1985-02-01
FI81135B (fi) 1990-05-31
FI81135C (fi) 1990-09-10
FI860421A0 (fi) 1986-01-29
SE8500472L (sv) 1986-08-02

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Legal Events

Date Code Title Description
MKLA Lapsed