ES342299A1 - Metodo para la produccion de pulpa de madera. - Google Patents

Metodo para la produccion de pulpa de madera.

Info

Publication number
ES342299A1
ES342299A1 ES342299A ES342299A ES342299A1 ES 342299 A1 ES342299 A1 ES 342299A1 ES 342299 A ES342299 A ES 342299A ES 342299 A ES342299 A ES 342299A ES 342299 A1 ES342299 A1 ES 342299A1
Authority
ES
Spain
Prior art keywords
digester
active chemical
black liquor
liquor
wood chips
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
ES342299A
Other languages
English (en)
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.)
Associated Pulp and Paper Mills Ltd
Original Assignee
Associated Pulp and Paper Mills Ltd
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
Priority claimed from AU7439/66A external-priority patent/AU295860B2/en
Application filed by Associated Pulp and Paper Mills Ltd filed Critical Associated Pulp and Paper Mills Ltd
Publication of ES342299A1 publication Critical patent/ES342299A1/es
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
    • D21C3/228—Automation of the pulping processes

Landscapes

  • Paper (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
ES342299A 1966-06-24 1967-06-24 Metodo para la produccion de pulpa de madera. Expired ES342299A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU7439/66A AU295860B2 (en) 1966-06-04 Improvements in the countercurrent pulping of cellulosic materials

Publications (1)

Publication Number Publication Date
ES342299A1 true ES342299A1 (es) 1968-07-16

Family

ID=3698122

Family Applications (1)

Application Number Title Priority Date Filing Date
ES342299A Expired ES342299A1 (es) 1966-06-24 1967-06-24 Metodo para la produccion de pulpa de madera.

Country Status (6)

Country Link
US (1) US3652384A (es)
BR (1) BR6790820D0 (es)
DE (1) DE1692826A1 (es)
ES (1) ES342299A1 (es)
NO (1) NO122466B (es)
SE (1) SE346131B (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941649A (en) * 1972-07-14 1976-03-02 Mo Och Domsjo Aktiebolag Process for obtaining a predetermined Kappa number in sulfate pulping
US4071399A (en) * 1976-09-01 1978-01-31 Kamyr, Inc. Apparatus and method for the displacement impregnation of cellulosic chips material
FI71176C (fi) * 1983-11-30 1991-12-03 Ekono Oy Foerfarande foer framstaellning av cellulosa med satsvis kokning.
US5207870A (en) * 1988-02-08 1993-05-04 Osmo Aho Process and equipment for pretreatment of cellulosic raw material
SE468053B (sv) * 1988-12-20 1992-10-26 Kamyr Ab Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial
US5192396A (en) * 1988-12-20 1993-03-09 Kamyr Ab Process for the continuous digestion of cellulosic fiber material
FI82079C (fi) * 1989-04-27 1993-05-11 Poeyry Jaakko & Co Oy Foerfarande och anordning foer kontinuerlig kokning av cellulosa
US5650045A (en) * 1994-12-14 1997-07-22 Salminen; Reijo K. Apparatus and method for wood pulp digester
FI112957B (fi) * 1999-07-21 2004-02-13 Metso Paper Pori Oy Menetelmä ja laite massan pesemiseksi
US20020129911A1 (en) * 2000-10-16 2002-09-19 Marcoccia Bruno S. Process and configuration for providing external upflow/internal downflow in a continuous digester

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2466290A (en) * 1944-03-15 1949-04-05 Paper Chemistry Inst Method of digesting pulp by the alkaline process
US2671727A (en) * 1948-05-05 1954-03-09 West Virginia Pulp & Paper Co Manufacture of pulp by the alkaline process
US3243341A (en) * 1961-11-20 1966-03-29 Improved Machinery Inc Continuous pulping apparatus
US3200032A (en) * 1961-12-23 1965-08-10 Kamyr Ab Continuous process for digesting cellulosic material
US3465550A (en) * 1965-12-03 1969-09-09 Systematix Chromatic control of bleaching process

Also Published As

Publication number Publication date
US3652384A (en) 1972-03-28
BR6790820D0 (pt) 1973-05-15
SE346131B (es) 1972-06-26
DE1692826A1 (de) 1971-10-21
NO122466B (es) 1971-06-28

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19840210