BE638828A - - Google Patents

Info

Publication number
BE638828A
BE638828A BE638828DA BE638828A BE 638828 A BE638828 A BE 638828A BE 638828D A BE638828D A BE 638828DA BE 638828 A BE638828 A BE 638828A
Authority
BE
Belgium
Application number
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.)
Publication of BE638828A publication Critical patent/BE638828A/xx

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
    • D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
BE638828D 1962-10-18 BE638828A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED40085A DE1228136B (de) 1962-10-18 1962-10-18 Verfahren zum reduzierenden Bleichen von Holzschliff und anderen Papierfaserstoffen

Publications (1)

Publication Number Publication Date
BE638828A true BE638828A (ja)

Family

ID=7045166

Family Applications (1)

Application Number Title Priority Date Filing Date
BE638828D BE638828A (ja) 1962-10-18

Country Status (2)

Country Link
BE (1) BE638828A (ja)
DE (1) DE1228136B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027369A1 (en) * 1979-10-12 1981-04-22 Thiokol Corporation Stable precursor solution for the generation of hydrosulfite and use thereof in bleaching wood pulp, brightening kaolin clay and reducing vat dyestuffs to their leuco form
GB9212926D0 (en) * 1992-06-18 1992-07-29 Morton Int Inc Method of bleaching paper pulp

Also Published As

Publication number Publication date
DE1228136B (de) 1966-11-03

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