FR993381A - Process for the preparation of pulp of wood and other fibrous materials, and products thereof - Google Patents

Process for the preparation of pulp of wood and other fibrous materials, and products thereof

Info

Publication number
FR993381A
FR993381A FR993381DA FR993381A FR 993381 A FR993381 A FR 993381A FR 993381D A FR993381D A FR 993381DA FR 993381 A FR993381 A FR 993381A
Authority
FR
France
Prior art keywords
pulp
wood
products
preparation
fibrous materials
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.)
West Virginia Pulp and Paper Co
Original Assignee
West Virginia Pulp and Paper Co
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 West Virginia Pulp and Paper Co filed Critical West Virginia Pulp and Paper Co
Application granted granted Critical
Publication of FR993381A publication Critical patent/FR993381A/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
    • D21C7/00—Digesters
    • D21C7/14—Means for circulating the lye
FR993381D 1948-05-05 1949-08-18 Process for the preparation of pulp of wood and other fibrous materials, and products thereof Expired FR993381A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25226A US2671727A (en) 1948-05-05 1948-05-05 Manufacture of pulp by the alkaline process

Publications (1)

Publication Number Publication Date
FR993381A true FR993381A (en) 1951-10-30

Family

ID=21824781

Family Applications (1)

Application Number Title Priority Date Filing Date
FR993381D Expired FR993381A (en) 1948-05-05 1949-08-18 Process for the preparation of pulp of wood and other fibrous materials, and products thereof

Country Status (4)

Country Link
US (1) US2671727A (en)
FR (1) FR993381A (en)
GB (1) GB669852A (en)
SE (1) SE136674C1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2938825A (en) * 1953-01-30 1960-05-31 Babcock & Wilcox Co Method of resisting digester corrosion
US2849315A (en) * 1953-05-07 1958-08-26 Haglund Gustaf Digestion of wood
DE1082488B (en) * 1955-07-21 1960-05-25 Rosenblads Patenter Ab Method of filling digesters with cooking liquid
DE1121452B (en) * 1956-07-05 1962-01-04 Lars Gerard Vilhelm Pamen Process for the production of semi-pulp from wood
NO122466B (en) * 1966-06-24 1971-06-28 Ass Pulp & Paper Mills
SE381897C (en) * 1973-11-23 1977-05-23 Skogegarnas Ind Ab SET FOR BATCH ALKALINE MASS COOKING IN COMBINATION WITH CONTINUOUS ACID EQUALIZATION
US4578149A (en) * 1981-03-05 1986-03-25 Fagerlund Bertil K E Process for digesting cellulosic material with heat recovery
US5015333A (en) * 1983-07-20 1991-05-14 Beloit Corporation Multi-stage pulp washing within a batch digester
US4849052A (en) * 1983-08-24 1989-07-18 Beloit Corporation Batch digester multi-stage pulping process
US4601787A (en) * 1984-04-11 1986-07-22 Beloit Corporation Method of bringing a digester up to cooking temperature
FI92224C (en) * 1991-06-28 1994-10-10 Sunds Defibrator Rauma Oy Batch process for the production of cogeneration
US6139689A (en) * 1997-06-11 2000-10-31 Beloit Technologies, Inc. Apparatus for digesting pulp in a displacement batch digester that uses displacement liquor having a sufficient hydrostatic head
US5958181A (en) * 1997-08-07 1999-09-28 Ahlstrom Machinery, Inc. Continuous cooking with a two-stage cool impregnation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA441890A (en) * 1947-06-03 The Institute Of Paper Chemistry Pulp manufacture
US882790A (en) * 1906-07-10 1908-03-24 Alvar Muentzing Method and apparatus for producing cellulose.
US1887899A (en) * 1921-03-28 1932-11-15 Bradley Mckeefe Corp Production of pulp
NL41972C (en) * 1927-01-20
US1784849A (en) * 1928-09-18 1930-12-16 Brown Co Pulpmaking and apparatus therefor
US1918459A (en) * 1931-11-20 1933-07-18 Dunbar Thomas Leonidas Method and apparatus for the digestion of fibrous material
US2190193A (en) * 1936-01-31 1940-02-13 Brown Co Chemical wood-pulping process

Also Published As

Publication number Publication date
US2671727A (en) 1954-03-09
SE136674C1 (en) 1952-07-22
GB669852A (en) 1952-04-09

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