SE8500472D0 - Forfarande for delignifiering av sulfatmassa - Google Patents

Forfarande for delignifiering av sulfatmassa

Info

Publication number
SE8500472D0
SE8500472D0 SE8500472A SE8500472A SE8500472D0 SE 8500472 D0 SE8500472 D0 SE 8500472D0 SE 8500472 A SE8500472 A SE 8500472A SE 8500472 A SE8500472 A SE 8500472A SE 8500472 D0 SE8500472 D0 SE 8500472D0
Authority
SE
Sweden
Prior art keywords
pulp
polysulphide
delignification
procedure
sulphate mass
Prior art date
Application number
SE8500472A
Other languages
English (en)
Other versions
SE8500472L (sv
SE452483B (sv
Inventor
J Gierer
I Noren
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
Priority to SE8500472A priority Critical patent/SE452483B/sv
Publication of SE8500472D0 publication Critical patent/SE8500472D0/sv
Priority to FI860421A priority patent/FI81135C/sv
Priority to CA000500799A priority patent/CA1268906A/en
Publication of SE8500472L publication Critical patent/SE8500472L/sv
Publication of SE452483B publication Critical patent/SE452483B/sv

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
SE8500472A 1985-02-01 1985-02-01 Forfarande for delignifiering av sulfatmassa SE452483B (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE8500472A SE452483B (sv) 1985-02-01 1985-02-01 Forfarande for delignifiering av sulfatmassa
FI860421A FI81135C (sv) 1985-02-01 1986-01-29 Förfarande för delignifiering av sulfatmassa
CA000500799A CA1268906A (en) 1985-02-01 1986-01-31 Procedure for delignification of sulphate pulp

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
SE8500472D0 true SE8500472D0 (sv) 1985-02-01
SE8500472L SE8500472L (sv) 1986-08-02
SE452483B SE452483B (sv) 1987-11-30

Family

ID=20358977

Family Applications (1)

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

Country Status (3)

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

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
FI81135B (fi) 1990-05-31
SE8500472L (sv) 1986-08-02
FI860421A (fi) 1986-08-02
FI860421A0 (fi) 1986-01-29
SE452483B (sv) 1987-11-30
CA1268906A (en) 1990-05-15
FI81135C (sv) 1990-09-10

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