FR739910A - Procédé de blanchiment de la cellulose - Google Patents

Procédé de blanchiment de la cellulose

Info

Publication number
FR739910A
FR739910A FR739910DA FR739910A FR 739910 A FR739910 A FR 739910A FR 739910D A FR739910D A FR 739910DA FR 739910 A FR739910 A FR 739910A
Authority
FR
France
Prior art keywords
bleaching process
cellulose bleaching
cellulose
bleaching
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
Other languages
English (en)
Inventor
Carl Busch Thorne
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 filed Critical
Application granted granted Critical
Publication of FR739910A publication Critical patent/FR739910A/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
    • D21C3/18—Pulping cellulose-containing materials with halogens or halogen-generating compounds
    • 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
    • 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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatment Of Fiber Materials (AREA)
FR739910D 1932-05-03 1932-07-12 Procédé de blanchiment de la cellulose Expired FR739910A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA393106X 1932-05-03
US609732A US1989571A (en) 1932-05-03 1932-05-06 Method of and apparatus for bleaching and refining pulp
IT415224X 1932-06-10

Publications (1)

Publication Number Publication Date
FR739910A true FR739910A (fr) 1933-01-19

Family

ID=31949999

Family Applications (2)

Application Number Title Priority Date Filing Date
FR739910D Expired FR739910A (fr) 1932-05-03 1932-07-12 Procédé de blanchiment de la cellulose
FR756626D Expired FR756626A (fr) 1932-05-03 1933-06-07 Perfectionnements au procédé de traitement continu des végétaux par la soude et le chlore gazeux pour la fabrication industrielle de la cellulose

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR756626D Expired FR756626A (fr) 1932-05-03 1933-06-07 Perfectionnements au procédé de traitement continu des végétaux par la soude et le chlore gazeux pour la fabrication industrielle de la cellulose

Country Status (5)

Country Link
US (2) US1989571A (fr)
BE (1) BE396596A (fr)
DE (1) DE602156C (fr)
FR (2) FR739910A (fr)
GB (2) GB393106A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL64793C (fr) * 1942-09-09
DE868434C (de) * 1949-08-07 1953-02-26 Henkel & Cie Gmbh Verfahren zur Herstellung von celluloseglycolsauren Salzen
NL93061C (fr) * 1950-05-11
US2730426A (en) * 1951-06-20 1956-01-10 Cellulose Dev Corp Ltd Treating vegetable fibrous material with chlorine gas
DE971953C (de) * 1951-11-13 1959-04-23 A Hering Ag Verfahren und Einrichtung zum Aufschliessen von Pflanzenfaserstoffen
US2731208A (en) * 1952-01-28 1956-01-17 Hospital Sanitation Equipment Apparatus for disposing of contaminated waste
AT387995B (de) * 1987-06-12 1989-04-10 Andritz Ag Maschf Austragvorrichtung
AT394738B (de) * 1990-09-03 1992-06-10 Andritz Ag Maschf Verfahren und vorrichtung zum austragen eines mediums aus einem behaelter

Also Published As

Publication number Publication date
FR756626A (fr) 1933-12-13
BE396596A (fr) 1933-06-30
US1970148A (en) 1934-08-14
GB393106A (en) 1933-06-01
GB415224A (en) 1934-08-23
US1989571A (en) 1935-01-29
DE602156C (de) 1934-09-04

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