FI44081B - - Google Patents

Info

Publication number
FI44081B
FI44081B FI0389/63A FI38963A FI44081B FI 44081 B FI44081 B FI 44081B FI 0389/63 A FI0389/63 A FI 0389/63A FI 38963 A FI38963 A FI 38963A FI 44081 B FI44081 B FI 44081B
Authority
FI
Finland
Application number
FI0389/63A
Inventor
O Laakso
Original Assignee
Kamyr 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 Kamyr Ab filed Critical Kamyr Ab
Application granted granted Critical
Publication of FI44081B publication Critical patent/FI44081B/fi

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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)
FI0389/63A 1962-03-03 1963-02-28 FI44081B (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE235762 1962-03-03

Publications (1)

Publication Number Publication Date
FI44081B true FI44081B (fi) 1971-04-30

Family

ID=20259818

Family Applications (1)

Application Number Title Priority Date Filing Date
FI0389/63A FI44081B (fi) 1962-03-03 1963-02-28

Country Status (5)

Country Link
US (1) US3298899A (fi)
DE (1) DE1517144A1 (fi)
FI (1) FI44081B (fi)
FR (1) FR1348964A (fi)
NO (1) NO115278B (fi)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3380883A (en) * 1963-09-27 1968-04-30 Kamyr Ab Method and apparatus for performing prehydrolysis in a continuous counterflow digester
FI44514B (fi) * 1963-12-13 1971-08-02 Kamyr Ab
US3445328A (en) * 1964-01-25 1969-05-20 Kamyr Ab Method for continuous cellulose digestion utilizing two temperature zones
US3441475A (en) * 1965-07-09 1969-04-29 Domtar Ltd Continuous pulping apparatus
US3434920A (en) * 1965-10-07 1969-03-25 Frank B K Green Apparatus for continuous digesting
US3530034A (en) * 1969-05-16 1970-09-22 Itt Rayonier Inc Continuous aqueous prehydrolysis of wood chips
US3627629A (en) * 1970-05-06 1971-12-14 Bauer Bros Co Refining system and process
US4061193A (en) * 1975-09-15 1977-12-06 Kamyr, Inc. Method and apparatus for digesting cellulose material without screening digesting liquid withdrawn through the digester top
CH602963A5 (fi) * 1975-11-19 1978-08-15 Sulzer Ag
US4193839A (en) * 1976-05-11 1980-03-18 Kamyr, Inc. Flow control method and apparatus for continuous wood chip digester screenless liquor extractor
US4212705A (en) * 1978-05-22 1980-07-15 Babington William M Jr Apparatus for recovering high pressure steam from a blow tank
US4274913A (en) * 1978-05-23 1981-06-23 Toyo Pulp Co., Ltd. Process for producing alkali pulp
PT71072A (en) * 1979-04-11 1980-05-01 Rosenblads Patenter Ab Method for secondary heat recovery in batchwise cellulose digesting
US4385172A (en) * 1980-03-24 1983-05-24 International Paper Company Prevention of hornification of dissolving pulp
US4597832A (en) * 1981-10-01 1986-07-01 The United States Of America As Represented By The United States Department Of Energy Apparatus for converting biomass to a pumpable slurry
US5788812A (en) * 1985-11-05 1998-08-04 Agar; Richard C. Method of recovering furfural from organic pulping liquor
US5766413A (en) * 1993-04-23 1998-06-16 Kvaerner Pulping Ab Process for isothermal cooking pulp in a continuous digester
SE506458C2 (sv) * 1996-02-09 1997-12-15 Kvaerner Pulping Tech Kontinuerlig kokning av cellulosahaltigt material med värmeväxling mellan kokaravdrag och cirkulerande kokvätska
US5766418A (en) * 1996-09-13 1998-06-16 Ahlstrom Machinery Inc. Handling fibrous material used to produce cellulose pulp
US5795438A (en) * 1996-11-04 1998-08-18 Ahlstrom Machinery Inc. Method and apparatus for feeding multiple digesters
US5985096A (en) * 1997-09-23 1999-11-16 Ahlstrom Machinery Inc. Vertical pulping digester having substantially constant diameter
US6123808A (en) * 1997-12-09 2000-09-26 Ahlstrom Machinery Inc. Distribution of dilution liquor to the discharge of a cellulose pulp digester
SE519555C2 (sv) * 2002-05-21 2003-03-11 Kvaerner Pulping Tech Metod för kontinuerlig kokning av vedrådvara till cellulosamassa
FI120505B (fi) * 2002-07-12 2009-11-13 Stora Enso Oyj Jatkuvatoiminen menetelmä selluloosapohjaisen massan keittämiseksi sekä menetelmään soveltuva massankeitin
US8986504B1 (en) 2013-10-25 2015-03-24 International Paper Company Digester apparatus
WO2015155642A1 (en) * 2014-04-07 2015-10-15 Stora Enso Oyj A method of digesting cellulose fibrous material in a continuous digester
US11162218B1 (en) 2020-09-30 2021-11-02 Robert Clayton Biomass pulp digester

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1548477A (en) * 1924-07-02 1925-08-04 Morterud Knut Kristoffer Circulation system for pulp digesters
US1633734A (en) * 1925-07-14 1927-06-28 Jr Frederick K Fish Process and apparatus for digesting or cooking fibrous material
GB684222A (en) * 1950-07-08 1952-12-10 Kamyr Ab Cellulose digester
DE1034968B (de) * 1956-01-11 1958-07-24 Hans Werner Meyer Kontinuierliches Verfahren zum chemischen Aufschluss von zellulosehaltigen Faserstoffen zu Zellstoff oder Halbzellstoff und Vorrichtung zu dessen Durchfuehrung
US3035963A (en) * 1958-02-19 1962-05-22 Lummus Co Process for the continuous digestion of cellulosic materials
FR1229425A (fr) * 1958-07-09 1960-09-07 Kamyr Ab Procédé et installation pour la cuisson continue de la cellulose

Also Published As

Publication number Publication date
DE1517144A1 (de) 1969-03-13
FR1348964A (fr) 1964-01-10
NO115278B (fi) 1968-09-09
US3298899A (en) 1967-01-17

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