FR1145782A - Improvements to the cellulose pulp manufacturing process by cooking - Google Patents

Improvements to the cellulose pulp manufacturing process by cooking

Info

Publication number
FR1145782A
FR1145782A FR1145782DA FR1145782A FR 1145782 A FR1145782 A FR 1145782A FR 1145782D A FR1145782D A FR 1145782DA FR 1145782 A FR1145782 A FR 1145782A
Authority
FR
France
Prior art keywords
cooking
manufacturing process
cellulose pulp
pulp manufacturing
cellulose
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.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain SA
Manufactures des Glaces et Produits Chimiques de Saint Gobain SA
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 Compagnie de Saint Gobain SA, Manufactures des Glaces et Produits Chimiques de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Application granted granted Critical
Publication of FR1145782A publication Critical patent/FR1145782A/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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes
FR1145782D 1956-02-18 1956-02-18 Improvements to the cellulose pulp manufacturing process by cooking Expired FR1145782A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1063893X 1956-02-18

Publications (1)

Publication Number Publication Date
FR1145782A true FR1145782A (en) 1957-10-29

Family

ID=9601401

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1145782D Expired FR1145782A (en) 1956-02-18 1956-02-18 Improvements to the cellulose pulp manufacturing process by cooking

Country Status (3)

Country Link
US (1) US2947657A (en)
DE (1) DE1063893B (en)
FR (1) FR1145782A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3088861A (en) * 1960-08-03 1963-05-07 Weyerhaeuser Co Method of manufacturing chemical pulp from lignocellulose material
NL137644C (en) * 1963-11-29
US3448003A (en) * 1966-01-03 1969-06-03 Dow Chemical Co On-stream cleaning of wood chip digesters using chelating agents
US4135967A (en) * 1969-09-26 1979-01-23 Societe Generale De Brevets Industriels Et Ohimiques Process for producing cellulose pulp by solid phase digestion
DE3518005A1 (en) * 1985-05-18 1986-11-20 Kraftanlagen Ag, 6900 Heidelberg SULFITE DIGESTIVE METHOD FOR PRODUCING CELLULAR FROM LIGNOCELLULOSE-CONTAINING MATERIALS WITH RECOVERY OF THE DIGESTIVE CHEMICALS

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1451125A (en) * 1922-04-21 1923-04-10 Bertrand S Summers Process for the production of paper pulp and the like
DE595826C (en) * 1927-03-17 1934-04-20 Yrjoe Kylander Process for pre-cooking wood prior to pulping
GB416416A (en) * 1933-03-07 1934-09-07 Henry Dreyfus Improvements in the manufacture of cellulose from ligno-cellulosic materials
DE742617C (en) * 1941-03-28 1943-12-14 Chem Fab Joh A Benckiser G M B Process for preventing resin precipitations in paper manufacture
US2656244A (en) * 1950-07-15 1953-10-20 Rayonier Inc Process of recovering chemicals from smelts obtained in pulping operation
AT175782B (en) * 1951-02-28 1953-08-10 Waldhof Zellstoff Fab Process for the production of semi-pulp
DE912169C (en) * 1952-02-22 1954-05-24 Georg Jayme Dr Ing Process for the alkaline digestion of plant substances
US2707145A (en) * 1952-09-11 1955-04-26 Scott Paper Co Method of bleaching mechanically disintegrated wood pulp
DE942553C (en) * 1954-03-11 1956-05-03 Basf Ag Process for the production of cellulose from plant material

Also Published As

Publication number Publication date
DE1063893B (en) 1959-08-20
US2947657A (en) 1960-08-02

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