SE136674C1 - Sätt att framställa halvkemisk massa - Google Patents

Sätt att framställa halvkemisk massa

Info

Publication number
SE136674C1
SE136674C1 SE733649A SE733649A SE136674C1 SE 136674 C1 SE136674 C1 SE 136674C1 SE 733649 A SE733649 A SE 733649A SE 733649 A SE733649 A SE 733649A SE 136674 C1 SE136674 C1 SE 136674C1
Authority
SE
Sweden
Prior art keywords
liquor
digester
digesters
cooking
pipe
Prior art date
Application number
SE733649A
Other languages
English (en)
Inventor
D B Westcott
H L Field
Original Assignee
West Virginia Pulp & 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 & Paper Co filed Critical West Virginia Pulp & Paper Co
Publication of SE136674C1 publication Critical patent/SE136674C1/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
    • D21C7/00—Digesters
    • D21C7/14—Means for circulating the lye

Landscapes

  • Paper (AREA)
SE733649A 1948-05-05 1949-08-23 Sätt att framställa halvkemisk massa SE136674C1 (sv)

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
SE136674C1 true SE136674C1 (sv) 1952-07-22

Family

ID=21824781

Family Applications (1)

Application Number Title Priority Date Filing Date
SE733649A SE136674C1 (sv) 1948-05-05 1949-08-23 Sätt att framställa halvkemisk massa

Country Status (4)

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

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 (de) * 1955-07-21 1960-05-25 Rosenblads Patenter Ab Verfahren zum Fuellen von Zellstoffkochern mit Kochfluessigkeit
DE1121452B (de) * 1956-07-05 1962-01-04 Lars Gerard Vilhelm Pamen Verfahren zur Herstellung von Halbzellstoff aus Holz
NO122466B (sv) * 1966-06-24 1971-06-28 Ass Pulp & Paper Mills
SE381897C (sv) * 1973-11-23 1977-05-23 Skogegarnas Ind Ab Sett for satsvis alkalisk massakokning i kombination med kontinuerlig syredelignifiering
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 (sv) * 1991-06-28 1994-10-10 Sunds Defibrator Rauma Oy Satsprocess för framställning av kraftmassa
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 (sv) * 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
GB669852A (en) 1952-04-09
US2671727A (en) 1954-03-09
FR993381A (fr) 1951-10-30

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