SE8602065D0 - PROCEDURE FOR PEROXIDE BLACKING OF CELLULOSE-CONTAINING Masses - Google Patents

PROCEDURE FOR PEROXIDE BLACKING OF CELLULOSE-CONTAINING Masses

Info

Publication number
SE8602065D0
SE8602065D0 SE8602065A SE8602065A SE8602065D0 SE 8602065 D0 SE8602065 D0 SE 8602065D0 SE 8602065 A SE8602065 A SE 8602065A SE 8602065 A SE8602065 A SE 8602065A SE 8602065 D0 SE8602065 D0 SE 8602065D0
Authority
SE
Sweden
Prior art keywords
peroxide
blacking
cellulose
procedure
containing masses
Prior art date
Application number
SE8602065A
Other languages
Swedish (sv)
Other versions
SE8602065L (en
Inventor
A N Soteland
F A Abadie-Maumert
I K Lode
H Fleischer
Original Assignee
Papirind Forskningsinst
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 Papirind Forskningsinst filed Critical Papirind Forskningsinst
Publication of SE8602065D0 publication Critical patent/SE8602065D0/en
Publication of SE8602065L publication Critical patent/SE8602065L/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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

Lignocellulosic pulps of high efficiency, higher than 70 %, optionally pretreated or having a chelating agent added to them, are bleached with peroxide in the presence of magnesium oxide as the only base and/or of a magnesium oxide precursor.
SE8602065A 1985-06-10 1986-05-06 PROCEDURES FOR PEROXID WHEATING OF CELLULOSA-MADE MASS SE8602065L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO852330A NO852330L (en) 1985-06-10 1985-06-10 PROCEDURES FOR PEROXIDE BLACKING OF CELLULOSE-CONTAINING Masses.

Publications (2)

Publication Number Publication Date
SE8602065D0 true SE8602065D0 (en) 1986-05-06
SE8602065L SE8602065L (en) 1986-12-11

Family

ID=19888331

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8602065A SE8602065L (en) 1985-06-10 1986-05-06 PROCEDURES FOR PEROXID WHEATING OF CELLULOSA-MADE MASS

Country Status (5)

Country Link
DE (1) DE3617942A1 (en)
FI (1) FI862437A (en)
FR (1) FR2583078A1 (en)
NO (1) NO852330L (en)
SE (1) SE8602065L (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4400954B4 (en) * 1994-01-14 2007-03-01 Stefan Kürzeder Process for increasing the brightness of bleaching wood pulp with hydrogen peroxide
AUPN352095A0 (en) * 1995-06-13 1995-07-06 Ici Australia Operations Proprietary Limited Peroxide bleaching of pulp
AU2001256024A1 (en) * 2000-05-04 2001-11-12 University Of New Brunswick Peroxide bleaching of wood pulp

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5545806A (en) * 1978-09-21 1980-03-31 Oji Paper Co Peroxide bleaching method of wood pulp
JPS5922832B2 (en) * 1978-12-09 1984-05-29 王子製紙株式会社 Method for producing peroxide bleached pulp
DE3428352A1 (en) * 1984-08-01 1986-02-13 Degussa Ag, 6000 Frankfurt METHOD FOR DELIGNIFICATION AND BLEACHING OF CELLULAS

Also Published As

Publication number Publication date
FR2583078A1 (en) 1986-12-12
FI862437A (en) 1986-12-11
DE3617942A1 (en) 1986-12-11
SE8602065L (en) 1986-12-11
NO852330L (en) 1986-12-11
FI862437A0 (en) 1986-06-06

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