CH321535A - Procédé de blanchiment de pâtes cellulosiques - Google Patents

Procédé de blanchiment de pâtes cellulosiques

Info

Publication number
CH321535A
CH321535A CH321535DA CH321535A CH 321535 A CH321535 A CH 321535A CH 321535D A CH321535D A CH 321535DA CH 321535 A CH321535 A CH 321535A
Authority
CH
Switzerland
Prior art keywords
cellulose pulp
bleaching process
pulp bleaching
cellulose
pulp
Prior art date
Application number
Other languages
English (en)
Inventor
Richard Kindron Robert
Original Assignee
Fmc Corp
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 Fmc Corp filed Critical Fmc Corp
Publication of CH321535A publication Critical patent/CH321535A/fr

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)
CH321535D 1953-05-27 1954-05-26 Procédé de blanchiment de pâtes cellulosiques CH321535A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US357889A US2872280A (en) 1953-05-27 1953-05-27 Process of bleaching cellulose pulps by absorbing alkali in the pulp and then applying hydrogen peroxide

Publications (1)

Publication Number Publication Date
CH321535A true CH321535A (fr) 1957-05-15

Family

ID=23407435

Family Applications (1)

Application Number Title Priority Date Filing Date
CH321535D CH321535A (fr) 1953-05-27 1954-05-26 Procédé de blanchiment de pâtes cellulosiques

Country Status (5)

Country Link
US (1) US2872280A (fr)
CH (1) CH321535A (fr)
DE (1) DE1046467B (fr)
FR (1) FR1105941A (fr)
GB (1) GB753769A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3382149A (en) * 1964-10-29 1968-05-07 Du Pont Bleaching of hardwood sulfite pulp with hydrogen peroxide, including pretreatment with alkali
CA1227304A (fr) * 1984-08-01 1987-09-29 Raymond C. Francis Defibrage de la pate a papier
US5562740A (en) * 1995-06-15 1996-10-08 The Procter & Gamble Company Process for preparing reduced odor and improved brightness individualized, polycarboxylic acid crosslinked fibers
US7001484B2 (en) * 2000-05-04 2006-02-21 University Of New Brunswick Peroxide bleaching of wood pulp using stabilizers and sodium hydrosulfide reducing agent

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE573341C (de) * 1927-02-27 1933-03-31 Max Steinschneider Dipl Ing Verfahren zur Herstellung von Zellstoff, insbesondere fuer die Kunstseidefabrikation
US2037119A (en) * 1933-07-31 1936-04-14 R H Comey Brooklyn Company Inc Continuous bleaching process
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
US2433370A (en) * 1940-04-24 1947-12-30 Buffalo Electro Chem Co Method of scouring cellulosic materials
US2465738A (en) * 1945-12-22 1949-03-29 Buffalo Electro Chem Co Method of bleaching mechanical wood fibers
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
US2613579A (en) * 1947-08-27 1952-10-14 Buffalo Electro Chem Co Sizing and bleaching a wet web
US2598580A (en) * 1947-10-08 1952-05-27 Buffalo Electro Chem Co Bleaching or brightening a web of mixed fibers

Also Published As

Publication number Publication date
DE1046467B (de) 1958-12-11
FR1105941A (fr) 1955-12-09
US2872280A (en) 1959-02-03
GB753769A (en) 1956-08-01

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