FR1372871A - Improvements in the production of pulp from cellulosic materials - Google Patents

Improvements in the production of pulp from cellulosic materials

Info

Publication number
FR1372871A
FR1372871A FR951131A FR951131A FR1372871A FR 1372871 A FR1372871 A FR 1372871A FR 951131 A FR951131 A FR 951131A FR 951131 A FR951131 A FR 951131A FR 1372871 A FR1372871 A FR 1372871A
Authority
FR
France
Prior art keywords
pulp
production
cellulosic materials
cellulosic
materials
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
FR951131A
Other languages
French (fr)
Inventor
George Herbert Tomlinson Ii
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.)
Domtar Inc
Original Assignee
Domtar Inc
Dominion Tar and Chemical Co 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
Application filed by Domtar Inc, Dominion Tar and Chemical Co Ltd filed Critical Domtar Inc
Application granted granted Critical
Publication of FR1372871A publication Critical patent/FR1372871A/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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/10—Physical methods for facilitating impregnation
FR951131A 1962-10-20 1963-10-18 Improvements in the production of pulp from cellulosic materials Expired FR1372871A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA860584 1962-10-20

Publications (1)

Publication Number Publication Date
FR1372871A true FR1372871A (en) 1964-09-18

Family

ID=4141584

Family Applications (1)

Application Number Title Priority Date Filing Date
FR951131A Expired FR1372871A (en) 1962-10-20 1963-10-18 Improvements in the production of pulp from cellulosic materials

Country Status (5)

Country Link
US (1) US3258390A (en)
DE (1) DE1246384B (en)
FI (1) FI46087C (en)
FR (1) FR1372871A (en)
GB (1) GB1035456A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE330819B (en) * 1966-09-12 1970-11-30 Kamyr Ab
US3549483A (en) * 1967-08-04 1970-12-22 Lummus Co Impregnation and digestion of cellulosic material in a single vessel
DE2627333A1 (en) * 1976-06-18 1977-12-29 Bayer Ag DISPLACEMENT OF A LIQUID A BY A LIQUID B IN A SUSPENSION
SE7802408L (en) * 1978-03-02 1979-09-03 Gloeersen Stig WAY TO TRANSFER WITH LIQUID TRANSPORTABLE MATERIALS AS FIBER MATERIALS
US4322184A (en) * 1979-12-05 1982-03-30 Kamyr, Inc. Apparatus for continuously feeding solid particles into a pressurized container having an improved lifting mechanism
SE510706C2 (en) * 1997-10-16 1999-06-14 Kvaerner Pulping Tech Process system and process for impregnating and basing chips before pulping
SE518993E (en) * 2002-01-24 2013-04-23 Metso Paper Sweden Ab Preparation of cellulose pulp by boiling with a boiling liquid containing evaporated black liquor
FI120547B (en) * 2004-10-04 2009-11-30 Metso Paper Inc Alkaline cooking process and pulp making plant
FI122841B (en) * 2004-10-04 2012-07-31 Metso Paper Inc Method and apparatus for making cellulosic pulp
FI126802B (en) * 2014-09-12 2017-05-31 Andritz Oy Process and continuous hydraulic boiler system for chemical pulp production
FI20165470A (en) 2016-06-06 2017-12-07 Andritz Oy A process for producing chemical pulp at a pulp mill digester
CN113299253B (en) * 2021-05-25 2024-05-07 李成兵 Preparation method of anti-cracking flute

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2205374A (en) * 1936-07-02 1940-06-18 Chemipulp Process Inc Digesting process and apparatus
US2858211A (en) * 1956-02-13 1958-10-28 Condi Engineering Corp Apparatus for wood chip digestion
US2809111A (en) * 1956-02-13 1957-10-08 Condi Engineering Corp Apparatus for wood chip digestion

Also Published As

Publication number Publication date
GB1035456A (en) 1966-07-06
DE1246384B (en) 1967-08-03
FI46087C (en) 1972-12-11
FI46087B (en) 1972-08-31
US3258390A (en) 1966-06-28

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