FR1031881A - Process of preliminary treatment of wood for the manufacture of cellulose - Google Patents

Process of preliminary treatment of wood for the manufacture of cellulose

Info

Publication number
FR1031881A
FR1031881A FR1031881DA FR1031881A FR 1031881 A FR1031881 A FR 1031881A FR 1031881D A FR1031881D A FR 1031881DA FR 1031881 A FR1031881 A FR 1031881A
Authority
FR
France
Prior art keywords
wood
cellulose
manufacture
preliminary treatment
preliminary
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
Application number
Other languages
French (fr)
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.)
WIKMANSHYTTE BRUKS AB
Original Assignee
WIKMANSHYTTE BRUKS 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 WIKMANSHYTTE BRUKS AB filed Critical WIKMANSHYTTE BRUKS AB
Application granted granted Critical
Publication of FR1031881A publication Critical patent/FR1031881A/en
Expired 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
FR1031881D 1951-01-18 1951-01-30 Process of preliminary treatment of wood for the manufacture of cellulose Expired FR1031881A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW4978A DE863449C (en) 1951-01-18 1951-01-18 Process for pretreating wood with steam for sulphite digestion during pulp production

Publications (1)

Publication Number Publication Date
FR1031881A true FR1031881A (en) 1953-06-26

Family

ID=7592533

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1031881D Expired FR1031881A (en) 1951-01-18 1951-01-30 Process of preliminary treatment of wood for the manufacture of cellulose

Country Status (3)

Country Link
CH (1) CH291829A (en)
DE (1) DE863449C (en)
FR (1) FR1031881A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE399876C (en) * 1924-07-31 Maschf Augsburg Nuernberg Ag Method and device for operating cooking plants, in particular for producing cellulose
DE413268C (en) * 1924-06-01 1925-05-05 Hubert Braeunlich Process for the pretreatment of wood or similar materials for the purpose of paper-cardboard production or the like.

Also Published As

Publication number Publication date
DE863449C (en) 1953-01-19
CH291829A (en) 1953-07-15

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