BE630337A - - Google Patents

Info

Publication number
BE630337A
BE630337A BE630337DA BE630337A BE 630337 A BE630337 A BE 630337A BE 630337D A BE630337D A BE 630337DA BE 630337 A BE630337 A BE 630337A
Authority
BE
Belgium
Application number
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.)
Publication of BE630337A publication Critical patent/BE630337A/xx

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
    • D21C3/26—Multistage processes
BE630337D 1962-03-30 BE630337A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US183785A US3313677A (en) 1962-03-30 1962-03-30 Two-stage continuous digestion with removal of liquor in first stage and recirculation of liquor in second stage

Publications (1)

Publication Number Publication Date
BE630337A true BE630337A (it)

Family

ID=22674275

Family Applications (1)

Application Number Title Priority Date Filing Date
BE630337D BE630337A (it) 1962-03-30

Country Status (2)

Country Link
US (1) US3313677A (it)
BE (1) BE630337A (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4190490A (en) * 1974-04-03 1980-02-26 Domtar Inc. Impregnation and digestion of wood chips
US4248662A (en) * 1979-01-22 1981-02-03 The Black Clawson Company Oxygen pulping with recycled liquor
US4435249A (en) 1979-09-05 1984-03-06 The Black Clawson Co. Process for the oxygen delignification of pulp mill rejects
US4363697A (en) * 1979-12-03 1982-12-14 The Black Clawson Company Method for medium consistency oxygen delignification of pulp
US4699691A (en) * 1980-11-24 1987-10-13 W. R. Grace & Co. Thermomechanical digestion process
US4431480A (en) * 1981-10-27 1984-02-14 The Black Clawson Company Method and apparatus for controlled addition of alkaline chemicals to an oxygen delignification reaction
SE452482B (sv) * 1982-04-28 1987-11-30 Sunds Defibrator Forfarande for satsvis framstellning av sulfatmassa med hog delignifieringsgrad
US4849052A (en) * 1983-08-24 1989-07-18 Beloit Corporation Batch digester multi-stage pulping process
NO872836L (no) * 1987-02-12 1988-08-15 Sigurd Fongen Trykksatt avvanningspresse for fibersuspensjoner.
NO882815L (no) * 1988-06-24 1989-12-27 Sigurd Fongen Fremgangsmaate for fremstilling av cellulosemasse, samt delignifisering, bleking, de-inking og vasking av cellulosefibre og anordning for utfoerelse av fremgangsmaaten.

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2474862A (en) * 1942-10-15 1949-07-05 Kamyr Ab Process and apparatus for continuous digestion of fibrous materials
US2599572A (en) * 1946-02-01 1952-06-10 Watervliet Paper Company Alkaline pulping of preimpregnated deciduous wood
US2675311A (en) * 1948-08-09 1954-04-13 John W Natwick Paper pulp process and apparatus
US2920697A (en) * 1953-03-28 1960-01-12 Braunschweigische Maschb Ansta Apparatus for the production of cellulose
US2905240A (en) * 1954-12-10 1959-09-22 Waldorf Paper Prod Co Apparatus for impregnating wood chips
US2963086A (en) * 1955-09-22 1960-12-06 Pandia Inc Paper machinery
US2962412A (en) * 1957-10-22 1960-11-29 Meade Corp Process of manufacturing wood pulp
US2996422A (en) * 1958-04-23 1961-08-15 Ed Jones Corp Digestion of cellulosic material
DE1262116B (de) * 1958-07-09 1968-02-29 Kamyr Ab Verfahren und Vorrichtung zum Vorwaschen des Zellstoffbreis in einem stehenden Zellstoffkocher
US3034576A (en) * 1958-10-16 1962-05-15 Nat Bank Of Commerce Of Seattl Continuous cooker
GB945957A (en) * 1960-02-08 1964-01-08 Ass Pulp & Paper Mills Continuous pulping process

Also Published As

Publication number Publication date
US3313677A (en) 1967-04-11

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