FR951863A - Bleaching process for pulp of defibrated wood - Google Patents

Bleaching process for pulp of defibrated wood

Info

Publication number
FR951863A
FR951863A FR951863DA FR951863A FR 951863 A FR951863 A FR 951863A FR 951863D A FR951863D A FR 951863DA FR 951863 A FR951863 A FR 951863A
Authority
FR
France
Prior art keywords
pulp
bleaching process
defibrated wood
defibrated
wood
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
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.)
Buffalo Electro-Chemical Co Inc
Original Assignee
Buffalo Electro-Chemical Co Inc
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-Chemical Co Inc filed Critical Buffalo Electro-Chemical Co Inc
Application granted granted Critical
Publication of FR951863A publication Critical patent/FR951863A/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
    • 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)
FR951863D 1946-09-20 1947-08-09 Bleaching process for pulp of defibrated wood Expired FR951863A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US698402A US2510595A (en) 1946-09-20 1946-09-20 Method of bleaching groundwood

Publications (1)

Publication Number Publication Date
FR951863A true FR951863A (en) 1949-11-04

Family

ID=24805088

Family Applications (1)

Application Number Title Priority Date Filing Date
FR951863D Expired FR951863A (en) 1946-09-20 1947-08-09 Bleaching process for pulp of defibrated wood

Country Status (4)

Country Link
US (1) US2510595A (en)
CH (1) CH265855A (en)
FR (1) FR951863A (en)
GB (1) GB626794A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2613579A (en) * 1947-08-27 1952-10-14 Buffalo Electro Chem Co Sizing and bleaching a wet web
US2692181A (en) * 1950-03-08 1954-10-19 Buffalo Electro Chem Co Treatment of unbleached sulfite pulp
US2661261A (en) * 1950-06-30 1953-12-01 Buffalo Electro Chem Co Method of superbleaching chemical pulp
US2687942A (en) * 1951-03-19 1954-08-31 Du Pont Bleaching of groundwood-sulfite pulp mixtures
US2723179A (en) * 1951-03-31 1955-11-08 Cons Water Power & Paper Co Bleaching a mixture of sulfite and semi-chemical pulps
US2872280A (en) * 1953-05-27 1959-02-03 Fmc Corp Process of bleaching cellulose pulps by absorbing alkali in the pulp and then applying hydrogen peroxide
NL202075A (en) * 1954-11-19 Fmc Corp
US2960382A (en) * 1955-05-13 1960-11-15 Armstrong Cork Co Method of bleaching linoleum using hydrogen peroxide bleach
US2860945A (en) * 1955-07-28 1958-11-18 Du Pont Bleaching cyanoethylated cotton fibers with hydrogen peroxidephosphate solution and optionally with water-soluble sulfoxylate solution
US3423283A (en) * 1965-09-02 1969-01-21 Dow Chemical Co Process of bleaching a sheet of groundwood pulp
US3507744A (en) * 1966-04-01 1970-04-21 Kimberly Clark Co Wood pulp bleaching process utilizing peroxide pyrophosphate high concentration compositions
US4014737A (en) * 1975-05-19 1977-03-29 Brennan Robert M Method of molding preform having 600% by weight water
NZ298222A (en) * 1994-12-28 1999-07-29 Mineral Technologies Inc Bleaching filled paper with hydrogen peroxide, sodium borohydride, and/or sodium hydrosulphite

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1409799A (en) * 1921-06-17 1922-03-14 George M Trostel Method of bleaching pulp
US2107297A (en) * 1934-03-08 1938-02-08 Buffalo Electro Chem Co Bleaching fiber
US2125634A (en) * 1937-03-29 1938-08-02 Oxford Paper Co Method of bleaching pulp or paper webs
US2150926A (en) * 1937-07-03 1939-03-21 Buffalo Electro Chem Co Process of making and bleaching paper
US2191431A (en) * 1938-04-13 1940-02-20 Buffalo Electro Chem Co Wood bleaching
US2435566A (en) * 1944-10-16 1948-02-10 West Virginia Pulp & Paper Co Peroxide bleaching of ground wood

Also Published As

Publication number Publication date
GB626794A (en) 1949-07-21
CH265855A (en) 1949-12-31
US2510595A (en) 1950-06-06

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