SE404045B - Forfarande for framstellning av massa genom mekanisk malning foljt av delignifiering med klorbaserade kemikalier och behandling med alkali - Google Patents

Forfarande for framstellning av massa genom mekanisk malning foljt av delignifiering med klorbaserade kemikalier och behandling med alkali

Info

Publication number
SE404045B
SE404045B SE7304119A SE7304119A SE404045B SE 404045 B SE404045 B SE 404045B SE 7304119 A SE7304119 A SE 7304119A SE 7304119 A SE7304119 A SE 7304119A SE 404045 B SE404045 B SE 404045B
Authority
SE
Sweden
Prior art keywords
alkaly
chlorine
procedure
treatment
mechanical grinding
Prior art date
Application number
SE7304119A
Other languages
English (en)
Inventor
H Matsuura
K Oku
Original Assignee
Japan Pulp & Paper Res 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
Priority claimed from JP3018572A external-priority patent/JPS5611797B2/ja
Priority claimed from JP3018472A external-priority patent/JPS5611796B2/ja
Application filed by Japan Pulp & Paper Res Inc filed Critical Japan Pulp & Paper Res Inc
Publication of SE404045B publication Critical patent/SE404045B/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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
SE7304119A 1972-03-25 1973-03-23 Forfarande for framstellning av massa genom mekanisk malning foljt av delignifiering med klorbaserade kemikalier och behandling med alkali SE404045B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3018572A JPS5611797B2 (sv) 1972-03-25 1972-03-25
JP3018472A JPS5611796B2 (sv) 1972-03-25 1972-03-25

Publications (1)

Publication Number Publication Date
SE404045B true SE404045B (sv) 1978-09-18

Family

ID=26368492

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7304119A SE404045B (sv) 1972-03-25 1973-03-23 Forfarande for framstellning av massa genom mekanisk malning foljt av delignifiering med klorbaserade kemikalier och behandling med alkali

Country Status (4)

Country Link
CA (1) CA982306A (sv)
FI (1) FI62357C (sv)
FR (1) FR2177975A1 (sv)
SE (1) SE404045B (sv)

Also Published As

Publication number Publication date
FI62357C (fi) 1982-12-10
FR2177975B1 (sv) 1976-04-09
CA982306A (en) 1976-01-27
FI62357B (fi) 1982-08-31
FR2177975A1 (en) 1973-11-09

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