FR1287891A - Procédé de réduction en pulpe par sulfite - Google Patents

Procédé de réduction en pulpe par sulfite

Info

Publication number
FR1287891A
FR1287891A FR41508A FR69041508A FR1287891A FR 1287891 A FR1287891 A FR 1287891A FR 41508 A FR41508 A FR 41508A FR 69041508 A FR69041508 A FR 69041508A FR 1287891 A FR1287891 A FR 1287891A
Authority
FR
France
Prior art keywords
pulping process
sulphite pulping
sulphite
pulping
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
FR41508A
Other languages
English (en)
French (fr)
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.)
SMITH PAPER MILLS Ltd HOWARD
Original Assignee
SMITH PAPER MILLS Ltd HOWARD
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 SMITH PAPER MILLS Ltd HOWARD filed Critical SMITH PAPER MILLS Ltd HOWARD
Application granted granted Critical
Publication of FR1287891A publication Critical patent/FR1287891A/fr
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
    • D21C3/26—Multistage processes
    • D21C3/266—Multistage processes the same pulping agent being used in all stages
FR41508A 1960-04-27 1961-04-27 Procédé de réduction en pulpe par sulfite Expired FR1287891A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24927A US3092535A (en) 1960-04-27 1960-04-27 Sulphite pulping process

Publications (1)

Publication Number Publication Date
FR1287891A true FR1287891A (fr) 1962-03-16

Family

ID=21823076

Family Applications (1)

Application Number Title Priority Date Filing Date
FR41508A Expired FR1287891A (fr) 1960-04-27 1961-04-27 Procédé de réduction en pulpe par sulfite

Country Status (6)

Country Link
US (1) US3092535A (nl)
AT (1) AT249496B (nl)
DE (1) DE1300822C2 (nl)
FI (1) FI40850B (nl)
FR (1) FR1287891A (nl)
GB (1) GB987612A (nl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3844879A (en) * 1972-10-30 1974-10-29 Babcock & Wilcox Co System for removing sodium chloride contaminants from a magnesium base pulping process
FI75615C (fi) * 1985-11-29 1991-08-26 Ahlstroem Oy Foerfarande foer saenkning av svartlutens viskositet.
US4963231A (en) * 1988-06-13 1990-10-16 Ahlstromforetagen Svenska Ab Method for evaporation of liquids
CN114851332B (zh) * 2022-05-31 2023-02-17 东北林业大学 一种具有磁各向异性的木质机器人制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1864620A (en) * 1931-02-18 1932-06-28 Brown Co Process of liberating pulp from raw cellulosic materials
GB400974A (en) * 1932-03-04 1933-11-06 Henry Dreyfus Improvements in or relating to the production of cellulosic materials or cellulose
GB459531A (en) * 1935-07-10 1937-01-11 Henry Dreyfus Improvements in or relating to the manufacture of cellulose
US2385955A (en) * 1941-04-08 1945-10-02 George H Tomlinson Manufacture of sulphite pulp
BE496841A (nl) * 1949-07-12
US2730445A (en) * 1952-03-21 1956-01-10 Sivola George Integrated lignocellulose digestion and recovery process
US3046182A (en) * 1956-01-13 1962-07-24 Smith Paper Mills Ltd Howard Sulphite pulping process

Also Published As

Publication number Publication date
DE1300822C2 (de) 1975-01-09
GB987612A (en) 1965-03-31
FI40850B (nl) 1969-02-28
DE1300822B (de) 1975-01-09
AT249496B (de) 1966-09-26
US3092535A (en) 1963-06-04

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