CH293130A - Process for bleaching wood pulp. - Google Patents

Process for bleaching wood pulp.

Info

Publication number
CH293130A
CH293130A CH293130DA CH293130A CH 293130 A CH293130 A CH 293130A CH 293130D A CH293130D A CH 293130DA CH 293130 A CH293130 A CH 293130A
Authority
CH
Switzerland
Prior art keywords
wood pulp
bleaching wood
bleaching
pulp
wood
Prior art date
Application number
Other languages
French (fr)
Inventor
Inc Buffalo Electro-Ch Company
Original Assignee
Buffalo Electro Chem Co
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 Buffalo Electro Chem Co filed Critical Buffalo Electro Chem Co
Publication of CH293130A publication Critical patent/CH293130A/en

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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
CH293130D 1950-03-08 1951-03-05 Process for bleaching wood pulp. CH293130A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US148312A US2692181A (en) 1950-03-08 1950-03-08 Treatment of unbleached sulfite pulp

Publications (1)

Publication Number Publication Date
CH293130A true CH293130A (en) 1953-09-15

Family

ID=22525223

Family Applications (1)

Application Number Title Priority Date Filing Date
CH293130D CH293130A (en) 1950-03-08 1951-03-05 Process for bleaching wood pulp.

Country Status (4)

Country Link
US (1) US2692181A (en)
CH (1) CH293130A (en)
FR (1) FR1036726A (en)
GB (1) GB681661A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL202075A (en) * 1954-11-19 Fmc Corp
DE102007036376A1 (en) * 2007-07-31 2009-02-05 Voith Patent Gmbh Bleached pulp
ES2806475T3 (en) 2016-04-15 2021-02-17 Marinko MIKULIC A continuous process for the production of cellulose pulp
HRP20190259A2 (en) 2019-02-07 2020-08-21 Marinko Mikulić A continuous process for production of cellulose pulp from grassy raw materials

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE573341C (en) * 1927-02-27 1933-03-31 Max Steinschneider Dipl Ing Process for the production of cellulose, in particular for the manufacture of rayon
US2107297A (en) * 1934-03-08 1938-02-08 Buffalo Electro Chem Co Bleaching fiber
US2150926A (en) * 1937-07-03 1939-03-21 Buffalo Electro Chem Co Process of making and bleaching paper
US2189378A (en) * 1938-02-05 1940-02-06 Buffalo Electro Chem Co Bleaching fibers and a composition therefor
US2465738A (en) * 1945-12-22 1949-03-29 Buffalo Electro Chem Co Method of bleaching mechanical wood fibers
US2492047A (en) * 1946-03-30 1949-12-20 Du Pont Bleaching wood pulp
US2513344A (en) * 1946-09-19 1950-07-04 Buffalo Electro Chem Co Method of bleaching high-density pulp
US2510595A (en) * 1946-09-20 1950-06-06 Buffalo Electro Chem Co Method of bleaching groundwood
US2514503A (en) * 1947-07-30 1950-07-11 Buffalo Electro Chem Co Method of bleaching moist felted groundwood pulp
US2466633A (en) * 1948-05-26 1949-04-05 James M Daily Method of bleaching cellulosic pulp

Also Published As

Publication number Publication date
GB681661A (en) 1952-10-29
FR1036726A (en) 1953-09-10
US2692181A (en) 1954-10-19

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