GB727191A - Improvements in or relating to the production of cellulose pulp from plant materials - Google Patents

Improvements in or relating to the production of cellulose pulp from plant materials

Info

Publication number
GB727191A
GB727191A GB2314/53A GB231453A GB727191A GB 727191 A GB727191 A GB 727191A GB 2314/53 A GB2314/53 A GB 2314/53A GB 231453 A GB231453 A GB 231453A GB 727191 A GB727191 A GB 727191A
Authority
GB
United Kingdom
Prior art keywords
steam
pressure
digester
liquor
valve
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
GB2314/53A
Other languages
English (en)
Inventor
James Hamilton Ross
John Semple Hart
Richard Kevin Strapp
Otto Maas
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.)
PULP PAPER RES INST
Pulp and Paper Research Institute of Canada
Original Assignee
PULP PAPER RES INST
Pulp and Paper Research Institute of Canada
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 to US105162A priority Critical patent/US2640774A/en
Application filed by PULP PAPER RES INST, Pulp and Paper Research Institute of Canada filed Critical PULP PAPER RES INST
Priority to GB2314/53A priority patent/GB727191A/en
Priority to NL175635A priority patent/NL98149C/xx
Priority to FR1078481D priority patent/FR1078481A/fr
Priority to DEP9395A priority patent/DE1031114B/de
Priority to CH315332D priority patent/CH315332A/fr
Publication of GB727191A publication Critical patent/GB727191A/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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/10—Physical methods for facilitating impregnation

Landscapes

  • Paper (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
GB2314/53A 1953-01-27 1953-01-27 Improvements in or relating to the production of cellulose pulp from plant materials Expired GB727191A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US105162A US2640774A (en) 1953-01-27 1949-07-16 Production of cellulose pulp
GB2314/53A GB727191A (en) 1953-01-27 1953-01-27 Improvements in or relating to the production of cellulose pulp from plant materials
NL175635A NL98149C (de) 1953-01-27 1953-01-29
FR1078481D FR1078481A (fr) 1953-01-27 1953-03-05 Perfectionnements apportés aux procédés pour fabriquer de la pâte de cellulose à partir de plantes
DEP9395A DE1031114B (de) 1953-01-27 1953-03-17 Verfahren zur Herstellung von Zellstoff aus pflanzlichen Stoffen
CH315332D CH315332A (fr) 1953-01-27 1953-03-19 Procédé de production de pâte de cellulose à partir de matières végétales

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2314/53A GB727191A (en) 1953-01-27 1953-01-27 Improvements in or relating to the production of cellulose pulp from plant materials

Publications (1)

Publication Number Publication Date
GB727191A true GB727191A (en) 1955-03-30

Family

ID=9737364

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2314/53A Expired GB727191A (en) 1953-01-27 1953-01-27 Improvements in or relating to the production of cellulose pulp from plant materials

Country Status (6)

Country Link
US (1) US2640774A (de)
CH (1) CH315332A (de)
DE (1) DE1031114B (de)
FR (1) FR1078481A (de)
GB (1) GB727191A (de)
NL (1) NL98149C (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2749240A (en) * 1953-01-17 1956-06-05 Pulp Paper Res Inst Production of cellulose pulp
US3013933A (en) * 1953-01-28 1961-12-19 Rayonier Inc Method for preparation of wood cellulose
US2932600A (en) * 1953-02-25 1960-04-12 Brown And Root Inc Process for the production of pulp from bagasse
US2799579A (en) * 1953-06-22 1957-07-16 Hjalmar S Messing Apparatus for presoaking lignocellulose material
US3016088A (en) * 1954-09-07 1962-01-09 Bauer Bros Co Rapid cycle digester
DE1052796B (de) * 1956-01-18 1959-03-12 Pulp Paper Res Inst Verfahren zur kontinuierlichen oder diskontinuierlichen Gewinnung von Zellstoff aus Holz
DE1063450B (de) * 1956-05-11 1959-08-13 Bauer Bros Company Verfahren und Vorrichtung zur Vorbereitung von Holzschnitzeln oder aehnlichen zellulosehaltigen Rohstoffen zwecks Gewinnung von Halbzellstoff oder Zellstoff
US2985236A (en) * 1957-03-27 1961-05-23 Celleco Ab Impregnation of wood chips
GB885605A (en) * 1958-09-11 1961-12-28 Stora Kopparbergs Bergslags Ab Improved method for the production of neutral sulfite pulp
US3067086A (en) * 1959-09-15 1962-12-04 Columbia Cellulose Company Ltd Pulping process
US3215587A (en) * 1963-01-21 1965-11-02 Lummus Co Continuous process and apparatus for delignification of cellulosic material
US3294625A (en) * 1963-03-28 1966-12-27 Lummus Co Method for impregnating cellulosic material
US4634499A (en) * 1983-05-02 1987-01-06 The Procter & Gamble Company Sulfite process for making pulp having a tactile softness from hardwood chips
US4734162A (en) * 1985-08-14 1988-03-29 The Procter & Gamble Company Hardwood pulp having a tactile sense of softness, and tissue paper webs thereof
US6129816A (en) * 1997-10-24 2000-10-10 Andritz-Ahlstrom Inc. Tapered screen assembly for a cellulose pulp digester
EP3859079A1 (de) * 2020-02-03 2021-08-04 Sekab E-Technology AB Anordnung und verfahren zur vorbehandlung von biomasse
CN113355935B (zh) * 2021-06-22 2023-06-02 中国联合装备集团安阳机械有限公司 一种造纸行业用外置式装锅器、蒸煮锅及其使用方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE282050C (de) *
DE288018C (de) *
US369836A (en) * 1887-09-13 blackman
US530635A (en) * 1894-12-11 blackman
US480334A (en) * 1892-08-09 Hermann xdelbert alfred
US1138907A (en) * 1914-01-21 1915-05-11 John Herman Thickens Process of preparing wood fiber.
DE304214C (de) * 1916-10-19
US1887899A (en) * 1921-03-28 1932-11-15 Bradley Mckeefe Corp Production of pulp
DE413268C (de) * 1924-06-01 1925-05-05 Hubert Braeunlich Verfahren zur Vorbehandlung von Holz oder aehnlichen Stoffen zum Zwecke der papier-Pappe-Herstellung o. dgl.
US1771598A (en) * 1925-07-11 1930-07-29 Sidney D Wells Process for digesting fibrous material
US2007341A (en) * 1929-02-13 1935-07-09 Cellulose Res Corp Process of treating cellulose fibers
US1979341A (en) * 1929-04-11 1934-11-06 Cellulose Res Corp Process for preparing cellulose
US1996797A (en) * 1930-11-26 1935-04-09 Dreyfus Henry Production of cellulosic products
US2229886A (en) * 1934-12-19 1941-01-28 Chemipulp Process Inc Method of digesting fibrous materials
BE496841A (de) * 1949-07-12
CH291830A (de) * 1951-01-18 1953-07-15 Aktiebolag Wikmanshytte Bruks Verfahren zur Vorbehandlung von Holzschnitzeln zwecks Herstellung von Zellstoff.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
NL98149C (de) 1961-06-15
DE1031114B (de) 1958-05-29
US2640774A (en) 1953-06-02
FR1078481A (fr) 1954-11-18
CH315332A (fr) 1956-08-15

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