NO137099C - Fremgangsm}te for alkalisk massefremstilling - Google Patents

Fremgangsm}te for alkalisk massefremstilling

Info

Publication number
NO137099C
NO137099C NO305173A NO305173A NO137099C NO 137099 C NO137099 C NO 137099C NO 305173 A NO305173 A NO 305173A NO 305173 A NO305173 A NO 305173A NO 137099 C NO137099 C NO 137099C
Authority
NO
Norway
Prior art keywords
procedure
mass production
alkaline mass
alkaline
production
Prior art date
Application number
NO305173A
Other languages
English (en)
Other versions
NO137099B (no
Inventor
Alan R Procter
Garrick E Styan
Magnus G Vinje
Original Assignee
Mac Millan Bloedel Ltd
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 US00362009A external-priority patent/US3841962A/en
Application filed by Mac Millan Bloedel Ltd filed Critical Mac Millan Bloedel Ltd
Publication of NO137099B publication Critical patent/NO137099B/no
Publication of NO137099C publication Critical patent/NO137099C/no

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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds
NO305173A 1972-07-31 1973-07-30 Fremgangsm}te for alkalisk massefremstilling NO137099C (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27685372A 1972-07-31 1972-07-31
US00362009A US3841962A (en) 1972-07-31 1973-05-21 Hydrogen sulfide pretreatment of lignocellulosic materials in alkaline pulping processes

Publications (2)

Publication Number Publication Date
NO137099B NO137099B (no) 1977-09-19
NO137099C true NO137099C (no) 1977-12-28

Family

ID=26958163

Family Applications (1)

Application Number Title Priority Date Filing Date
NO305173A NO137099C (no) 1972-07-31 1973-07-30 Fremgangsm}te for alkalisk massefremstilling

Country Status (5)

Country Link
JP (1) JPS5217121B2 (no)
FI (1) FI55693C (no)
FR (1) FR2194840A1 (no)
NO (1) NO137099C (no)
SE (1) SE389135B (no)

Also Published As

Publication number Publication date
JPS5217121B2 (no) 1977-05-13
FR2194840A1 (en) 1974-03-01
JPS4992302A (no) 1974-09-03
SE389135B (sv) 1976-10-25
FI55693B (fi) 1979-05-31
FR2194840B1 (no) 1976-04-30
FI55693C (fi) 1979-09-10
NO137099B (no) 1977-09-19

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