SE452342B - Forfarande for framstellning av massa, varvid man underkastar lignocellulosamaterial kemisk kokningsbehandling - Google Patents

Forfarande for framstellning av massa, varvid man underkastar lignocellulosamaterial kemisk kokningsbehandling

Info

Publication number
SE452342B
SE452342B SE7511293A SE7511293A SE452342B SE 452342 B SE452342 B SE 452342B SE 7511293 A SE7511293 A SE 7511293A SE 7511293 A SE7511293 A SE 7511293A SE 452342 B SE452342 B SE 452342B
Authority
SE
Sweden
Prior art keywords
lignocellulosic material
pulp
deriv
sulphite
digesting
Prior art date
Application number
SE7511293A
Other languages
English (en)
Other versions
SE7511293L (sv
Inventor
Y Nomura
M Wakai
H Sato
Original Assignee
Honshu Paper Co 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 JP11548674A external-priority patent/JPS5143403A/ja
Priority claimed from JP3645075A external-priority patent/JPS51112903A/ja
Application filed by Honshu Paper Co Ltd filed Critical Honshu Paper Co Ltd
Publication of SE7511293L publication Critical patent/SE7511293L/sv
Publication of SE452342B publication Critical patent/SE452342B/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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/003—Pulping cellulose-containing materials with organic compounds
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes

Landscapes

  • Paper (AREA)
SE7511293A 1974-10-09 1975-10-08 Forfarande for framstellning av massa, varvid man underkastar lignocellulosamaterial kemisk kokningsbehandling SE452342B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11548674A JPS5143403A (en) 1974-10-09 1974-10-09 Arukariparupuno seizohoho
JP3645075A JPS51112903A (en) 1975-03-26 1975-03-26 Process for digesting lignocellulose material with sulphites

Publications (2)

Publication Number Publication Date
SE7511293L SE7511293L (sv) 1976-04-12
SE452342B true SE452342B (sv) 1987-11-23

Family

ID=26375511

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7511293A SE452342B (sv) 1974-10-09 1975-10-08 Forfarande for framstellning av massa, varvid man underkastar lignocellulosamaterial kemisk kokningsbehandling

Country Status (2)

Country Link
CA (1) CA1079906A (sv)
SE (1) SE452342B (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5728265A (en) * 1995-06-12 1998-03-17 Henkel Corporation Process for enhancing white liquor penetration into wood chips by contacting the chips with a mixture of the white liquor and a polymethylalkyl siloxane

Also Published As

Publication number Publication date
CA1079906A (en) 1980-06-24
SE7511293L (sv) 1976-04-12

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