FR1443743A - Procédé de blanchiment des pâtes cellulosiques - Google Patents

Procédé de blanchiment des pâtes cellulosiques

Info

Publication number
FR1443743A
FR1443743A FR28014A FR28014A FR1443743A FR 1443743 A FR1443743 A FR 1443743A FR 28014 A FR28014 A FR 28014A FR 28014 A FR28014 A FR 28014A FR 1443743 A FR1443743 A FR 1443743A
Authority
FR
France
Prior art keywords
cellulose pulp
bleaching process
pulp bleaching
cellulose
pulp
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
FR28014A
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.)
Electric Reduction Company of Canada Ltd
Original Assignee
Electric Reduction Company of Canada 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 Electric Reduction Company of Canada Ltd filed Critical Electric Reduction Company of Canada Ltd
Application granted granted Critical
Publication of FR1443743A publication Critical patent/FR1443743A/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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1031—Pulse, dynamic, displacement processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FR28014A 1964-08-13 1965-08-11 Procédé de blanchiment des pâtes cellulosiques Expired FR1443743A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3308964A GB1100724A (en) 1964-08-13 1964-08-13 Improvements in the bleaching of pulp

Publications (1)

Publication Number Publication Date
FR1443743A true FR1443743A (fr) 1966-06-24

Family

ID=10348429

Family Applications (1)

Application Number Title Priority Date Filing Date
FR28014A Expired FR1443743A (fr) 1964-08-13 1965-08-11 Procédé de blanchiment des pâtes cellulosiques

Country Status (9)

Country Link
JP (1) JPS4830963B1 (fr)
BE (1) BE667857A (fr)
CA (1) CA783483A (fr)
DE (1) DE1546246B2 (fr)
FI (1) FI44325C (fr)
FR (1) FR1443743A (fr)
GB (1) GB1100724A (fr)
NO (1) NO122218B (fr)
SE (1) SE306877B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2286234A1 (fr) * 1974-09-27 1976-04-23 Erco Envirotech Ltd Fabrication de pate de cellulose blanchie
FR2524025A1 (fr) * 1982-03-29 1983-09-30 Kamyr Ab Methode de traitement de pulpe par deplacement de liquides par d'autres liquides
FR2541330A1 (fr) * 1983-02-17 1984-08-24 Larox Ag Procede pour le traitement de la cellulose issue d'un procede de lessivage de cellulose

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE400997B (sv) * 1972-12-15 1978-04-17 Erco Envirotech Ltd Sett for avlegsnande av natriumklorid ur regenererad vitlut
JPS5036368U (fr) * 1973-07-25 1975-04-16
JPS5038966U (fr) * 1973-08-02 1975-04-22
US4915785A (en) * 1988-12-23 1990-04-10 C-I-L Inc. Single stage process for bleaching of pulp with an aqueous hydrogen peroxide bleaching composition containing magnesium sulphate and sodium silicate
FI85513C (fi) * 1989-04-07 1992-04-27 Salomans Oy Foerfarande foer behandling av fibermassa med kemikalieloesning.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2286234A1 (fr) * 1974-09-27 1976-04-23 Erco Envirotech Ltd Fabrication de pate de cellulose blanchie
FR2524025A1 (fr) * 1982-03-29 1983-09-30 Kamyr Ab Methode de traitement de pulpe par deplacement de liquides par d'autres liquides
FR2541330A1 (fr) * 1983-02-17 1984-08-24 Larox Ag Procede pour le traitement de la cellulose issue d'un procede de lessivage de cellulose

Also Published As

Publication number Publication date
FI44325C (fi) 1971-10-11
NO122218B (fr) 1971-06-01
DE1546246A1 (de) 1969-07-17
JPS4830963B1 (fr) 1973-09-26
BE667857A (fr) 1965-12-01
FI44325B (fr) 1971-06-30
SE306877B (fr) 1968-12-09
DE1546246B2 (de) 1976-10-07
CA783483A (en) 1968-04-23
GB1100724A (en) 1968-01-24

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