SE8602065L - PROCEDURES FOR PEROXID WHEATING OF CELLULOSA-MADE MASS - Google Patents

PROCEDURES FOR PEROXID WHEATING OF CELLULOSA-MADE MASS

Info

Publication number
SE8602065L
SE8602065L SE8602065A SE8602065A SE8602065L SE 8602065 L SE8602065 L SE 8602065L SE 8602065 A SE8602065 A SE 8602065A SE 8602065 A SE8602065 A SE 8602065A SE 8602065 L SE8602065 L SE 8602065L
Authority
SE
Sweden
Prior art keywords
wheating
cellulosa
peroxid
procedures
made mass
Prior art date
Application number
SE8602065A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE8602065D0 (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 SE8602065D0 (en) 1986-05-06
SE8602065L true 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
WO2001083881A2 (en) * 2000-05-04 2001-11-08 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
FI862437A0 (en) 1986-06-06
FI862437A (en) 1986-12-11
DE3617942A1 (en) 1986-12-11
SE8602065D0 (en) 1986-05-06
FR2583078A1 (en) 1986-12-12
NO852330L (en) 1986-12-11

Similar Documents

Publication Publication Date Title
DE68917776D1 (en) Enzymatic detergent and bleaching composition.
PH23697A (en) Detergent bleach composition,bleaching compositions and bleach activators
DE3468454D1 (en) Process for the treatment of cellulosic materials with oxidising agents
NO883581D0 (en) BLEACHING AND DETERGENT MIXING INCLUDING THE WHITE BLEACHING MIXTURE.
DE69020107D1 (en) MANUFACTURE OF PEROXIDE CONTAINING PERFLUORPOLYETHERS.
DE3786879D1 (en) Bleaching agent compositions, persacuate-glycolate esters and precursors.
AU8222287A (en) Enzymatic detergent and bleaching composition
BR8903577A (en) COMPOSITION OF STABILIZED HYDROGEN PEROXIDE AND PROCESS TO STABILIZE A HYDROGEN PEROXIDE SOLUTION
IE801178L (en) 4-substituted-3-hydroxy-3-pyrroline-2,5-diones.
BR8602168A (en) PEROXIDE COMPOSITION, RESISTANT TO BURN RESISTANT COMPOSITION AND PROCESS TO AVOID THE BURN OF A RETICULABLE COMPOSITION
UY24036A1 (en) IMPROVEMENTS IN (OR RELATED TO) ANTI-PROTOZOAL AGENTS
JPS524035A (en) Dc stabilizing power source
BR8406209A (en) WHITE, DETERGENT, BODY AND ALKALINE COMPOSITION
JPS5511573A (en) Novel naphthoquinones*their manufacture and medical composition containing them
AU1202283A (en) Silicate-free bleaching and laundering composition
GB8728275D0 (en) Cleansing compositions
DE3468212D1 (en) Monohydroxy-benzoyl peroxide and compositions for treating acne
SE8602065L (en) PROCEDURES FOR PEROXID WHEATING OF CELLULOSA-MADE MASS
TR23892A (en) Peroxyacid bleach composition and its use in bleach detergent compositions
GR3005481T3 (en)
DE69108740D1 (en) PRODUCTION OF PEROXIDE COMPOSITIONS.
GB2206903B (en) Concentrated compositions and their use as stabilizers for peroxide-containing alkaline liquors
FI882769A (en) STYRNING AV PEROXIDBLEKNING AV OLIKA TRAEMASSOR.
PH19697A (en) Improved peroxide bleach and compositions comprising said bleach
DE3676490D1 (en) PULP PRE-TREATMENT PROCESS WITH STABILIZING AGENTS AND PEROXIDE BEFORE MECHANICAL REFINING.

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8602065-8

Effective date: 19880317

Format of ref document f/p: F