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FR876760A - Improvements in the manufacture of wood pulp or cellulose - Google Patents

Improvements in the manufacture of wood pulp or cellulose

Info

Publication number
FR876760A
FR876760A FR876760DA FR876760A FR 876760 A FR876760 A FR 876760A FR 876760D A FR876760D A FR 876760DA FR 876760 A FR876760 A FR 876760A
Authority
FR
France
Prior art keywords
cellulose
manufacture
wood pulp
pulp
wood
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.)
RAMENS PATENTER AB
Original Assignee
RAMENS PATENTER 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 RAMENS PATENTER AB filed Critical RAMENS PATENTER AB
Application granted granted Critical
Publication of FR876760A publication Critical patent/FR876760A/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
    • D21C1/10—Physical methods for facilitating impregnation
FR876760D 1939-07-19 1940-12-10 Improvements in the manufacture of wood pulp or cellulose Expired FR876760A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE876760X 1939-07-19

Publications (1)

Publication Number Publication Date
FR876760A true FR876760A (en) 1942-11-17

Family

ID=20370905

Family Applications (1)

Application Number Title Priority Date Filing Date
FR876760D Expired FR876760A (en) 1939-07-19 1940-12-10 Improvements in the manufacture of wood pulp or cellulose

Country Status (1)

Country Link
FR (1) FR876760A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1061612B (en) * 1954-02-08 1959-07-16 Josef Leitner Process for the production of bleachable semi-pulp by treating softwood or hardwood with reducing solutions
DE1074389B (en) * 1960-01-28 Esko Heikki Vi lamo Valkeakoski Teuvo (Finnland) Process for removing the air in the digester and in the chips in the production of sulphite pulp from wood

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1074389B (en) * 1960-01-28 Esko Heikki Vi lamo Valkeakoski Teuvo (Finnland) Process for removing the air in the digester and in the chips in the production of sulphite pulp from wood
DE1061612B (en) * 1954-02-08 1959-07-16 Josef Leitner Process for the production of bleachable semi-pulp by treating softwood or hardwood with reducing solutions

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