ES2070388T3 - Procedimiento para blanquear y deslignificar celulosa con poco cloro. - Google Patents

Procedimiento para blanquear y deslignificar celulosa con poco cloro.

Info

Publication number
ES2070388T3
ES2070388T3 ES91116992T ES91116992T ES2070388T3 ES 2070388 T3 ES2070388 T3 ES 2070388T3 ES 91116992 T ES91116992 T ES 91116992T ES 91116992 T ES91116992 T ES 91116992T ES 2070388 T3 ES2070388 T3 ES 2070388T3
Authority
ES
Spain
Prior art keywords
cellulose
procedure
lignificing
whitening
little chlorine
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 - Lifetime
Application number
ES91116992T
Other languages
English (en)
Spanish (es)
Inventor
Werner Dr Sturm
Ludwig Eibl
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.)
Evonik Operations GmbH
Original Assignee
SKW Trostberg AG
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 SKW Trostberg AG filed Critical SKW Trostberg AG
Application granted granted Critical
Publication of ES2070388T3 publication Critical patent/ES2070388T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
    • 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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • 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)
  • General Preparation And Processing Of Foods (AREA)
  • Cereal-Derived Products (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Detergent Compositions (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
ES91116992T 1990-10-05 1991-10-04 Procedimiento para blanquear y deslignificar celulosa con poco cloro. Expired - Lifetime ES2070388T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4031597A DE4031597A1 (de) 1990-10-05 1990-10-05 Verfahren zur chlorarmen bleiche und delignifizierung von zellstoff

Publications (1)

Publication Number Publication Date
ES2070388T3 true ES2070388T3 (es) 1995-06-01

Family

ID=6415688

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91116992T Expired - Lifetime ES2070388T3 (es) 1990-10-05 1991-10-04 Procedimiento para blanquear y deslignificar celulosa con poco cloro.

Country Status (7)

Country Link
EP (1) EP0479319B1 (de)
AT (1) ATE120815T1 (de)
CA (1) CA2052758A1 (de)
DE (2) DE4031597A1 (de)
ES (1) ES2070388T3 (de)
FI (1) FI914694A7 (de)
NO (1) NO913848L (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009045628A1 (de) 2009-10-13 2011-04-14 Henkel Ag & Co. Kgaa Bleichaktivatoren für Verfahren zum Bleichen von cellulosischen Faserstoffen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE664257C (de) * 1929-09-11 1938-08-25 Degussa Verfahren zum Veredeln von Zellstoffen
AT167849B (de) * 1945-01-10 1951-03-10 Buffalo Electro Chem Co Verfahren zum Bleichen von Holzschliff
AT183646B (de) * 1950-06-30 1955-10-25 Buffalo Electro Chem Co Verfahren zum Bleichen von Sulfat- oder Sulfitzellstoff
DE2742262C2 (de) * 1977-09-20 1982-06-09 Degussa Ag, 6000 Frankfurt Verfahren zur Herstellung eines mittel- bis hochviskosen Nadelholz-Sulfitzellstoffs
US4568420B1 (en) * 1984-12-03 1999-03-02 Int Paper Co Multi-stage bleaching process including an enhanced oxidative extraction stage
FR2589494B1 (fr) * 1985-10-30 1988-07-29 Atochem Procede de blanchiment de pates papetieres chimiques
DE3544398A1 (de) * 1985-12-16 1987-06-19 Sueddeutsche Kalkstickstoff Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten
DE4004364A1 (de) * 1990-02-13 1991-08-14 Sueddeutsche Kalkstickstoff Verfahren zur chlorfreien bleiche und delignifizierung von zellstoff

Also Published As

Publication number Publication date
DE59105105D1 (de) 1995-05-11
CA2052758A1 (en) 1992-04-06
NO913848L (no) 1992-04-06
NO913848D0 (no) 1991-10-01
EP0479319B1 (de) 1995-04-05
ATE120815T1 (de) 1995-04-15
FI914694L (fi) 1992-04-06
FI914694A7 (fi) 1992-04-06
EP0479319A1 (de) 1992-04-08
DE4031597A1 (de) 1992-04-09
FI914694A0 (fi) 1991-10-04

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