CA938820A - Method of continuous cellulose digestion and digester adapted for performing the method - Google Patents

Method of continuous cellulose digestion and digester adapted for performing the method

Info

Publication number
CA938820A
CA938820A CA116793A CA116793A CA938820A CA 938820 A CA938820 A CA 938820A CA 116793 A CA116793 A CA 116793A CA 116793 A CA116793 A CA 116793A CA 938820 A CA938820 A CA 938820A
Authority
CA
Canada
Prior art keywords
continuous cellulose
cellulose digestion
digester
digester adapted
digestion
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
CA116793A
Other languages
English (en)
Other versions
CA116793S (en
Inventor
S. E. Ostberg Bengt
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.)
Metso Fiber Karlstad AB
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 CA938820A publication Critical patent/CA938820A/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
    • D21C3/24—Continuous processes
    • 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
CA116793A 1970-06-29 1971-06-28 Method of continuous cellulose digestion and digester adapted for performing the method Expired CA938820A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9004/70A SE343344B (h) 1970-06-29 1970-06-29

Publications (1)

Publication Number Publication Date
CA938820A true CA938820A (en) 1973-12-25

Family

ID=20275585

Family Applications (1)

Application Number Title Priority Date Filing Date
CA116793A Expired CA938820A (en) 1970-06-29 1971-06-28 Method of continuous cellulose digestion and digester adapted for performing the method

Country Status (8)

Country Link
US (1) US3811994A (h)
JP (1) JPS5034641B1 (h)
CA (1) CA938820A (h)
DE (1) DE2132116C3 (h)
FI (1) FI52366C (h)
FR (1) FR2100030A5 (h)
NO (1) NO130733C (h)
SE (1) SE343344B (h)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5788812A (en) * 1985-11-05 1998-08-04 Agar; Richard C. Method of recovering furfural from organic pulping liquor

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE431662B (sv) * 1974-07-05 1984-02-20 Kamyr Ab Sett vid kontinuerlig kokning av fibermaterial
US3941650A (en) * 1974-08-09 1976-03-02 Schnyder Auxilius P Continuous digester
US4071399A (en) * 1976-09-01 1978-01-31 Kamyr, Inc. Apparatus and method for the displacement impregnation of cellulosic chips material
US4547264A (en) * 1979-02-12 1985-10-15 Kamyr, Inc. Method of withdrawing liquid from a pair of vertically spaced annular screens
US4221632A (en) * 1979-04-03 1980-09-09 Weyerhaeuser Company Method and apparatus for determining the location of the chip level in a pulping digester
FI63610C (fi) * 1981-12-31 1983-07-11 Ekono Oy Foerfarande foer kontinuerlig uppslutning av finfoerdelat material
FI66215C (fi) * 1982-12-14 1984-09-10 Ekono Oy Saett vid kontinuerlig uppslutning av finfoerdelat cellulosahaltigt material
US4568419A (en) * 1984-02-27 1986-02-04 Laakso Oliver A Method of treating comminuted cellulosic fibrous material in a vertical vessel
US4693785A (en) * 1984-02-27 1987-09-15 Laakso Oliver A Digester having plural screens and means for controlling the liquid withdrawal
US5236554A (en) * 1991-08-16 1993-08-17 Kamyr, Inc. Digester having plural screens with means for controlling liquid injection and withdrawal
SE500455C2 (sv) * 1992-11-18 1994-06-27 Kamyr Ab Förfarande vid kontinuerlig kokning under förhöjt tryck och temperatur av fibermateral i en vertikal kokare
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5788812A (en) * 1985-11-05 1998-08-04 Agar; Richard C. Method of recovering furfural from organic pulping liquor

Also Published As

Publication number Publication date
US3811994A (en) 1974-05-21
DE2132116C3 (de) 1973-12-13
FR2100030A5 (h) 1972-03-17
JPS5034641B1 (h) 1975-11-10
DE2132116A1 (de) 1972-01-05
DE2132116B2 (de) 1973-05-10
SE343344B (h) 1972-03-06
FI52366C (fi) 1977-08-10
NO130733B (h) 1974-10-21
FI52366B (h) 1977-05-02
NO130733C (h) 1975-01-29

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