DE59812386D1 - Bleichen und delignifizierung von zellstoff durch caroate/carosche säure und herstellung derselben - Google Patents

Bleichen und delignifizierung von zellstoff durch caroate/carosche säure und herstellung derselben

Info

Publication number
DE59812386D1
DE59812386D1 DE59812386T DE59812386T DE59812386D1 DE 59812386 D1 DE59812386 D1 DE 59812386D1 DE 59812386 T DE59812386 T DE 59812386T DE 59812386 T DE59812386 T DE 59812386T DE 59812386 D1 DE59812386 D1 DE 59812386D1
Authority
DE
Germany
Prior art keywords
carosche
caroate
delignification
bleaching
acidity
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 - Fee Related
Application number
DE59812386T
Other languages
English (en)
Inventor
Maximilian Dorn
Michael Gnann
Sven Gutewort
Werner Sebb
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.)
United Initiators GmbH and Co KG
United Initiators Inc
Original Assignee
United Initiators GmbH and Co KG
United Initiators Inc
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 United Initiators GmbH and Co KG, United Initiators Inc filed Critical United Initiators GmbH and Co KG
Priority claimed from PCT/EP1998/001622 external-priority patent/WO1998042911A1/de
Application granted granted Critical
Publication of DE59812386D1 publication Critical patent/DE59812386D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
DE59812386T 1997-03-21 1998-03-19 Bleichen und delignifizierung von zellstoff durch caroate/carosche säure und herstellung derselben Expired - Fee Related DE59812386D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19711929 1997-03-21
DE19803001A DE19803001A1 (de) 1997-03-21 1998-01-27 Bleichen und Delignifizierung von Zellstoff durch Caroate/Carosche Säure und Herstellung derselben aus Persulfaten/Perschwefelsäure, die elektrochemisch hergestellt wird
PCT/EP1998/001622 WO1998042911A1 (de) 1997-03-21 1998-03-19 Bleichen und delignifizierung von zellstoff durch caroate/carosche säure und herstellung derselben

Publications (1)

Publication Number Publication Date
DE59812386D1 true DE59812386D1 (de) 2005-01-20

Family

ID=7824200

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19803001A Withdrawn DE19803001A1 (de) 1997-03-21 1998-01-27 Bleichen und Delignifizierung von Zellstoff durch Caroate/Carosche Säure und Herstellung derselben aus Persulfaten/Perschwefelsäure, die elektrochemisch hergestellt wird
DE59812386T Expired - Fee Related DE59812386D1 (de) 1997-03-21 1998-03-19 Bleichen und delignifizierung von zellstoff durch caroate/carosche säure und herstellung derselben

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19803001A Withdrawn DE19803001A1 (de) 1997-03-21 1998-01-27 Bleichen und Delignifizierung von Zellstoff durch Caroate/Carosche Säure und Herstellung derselben aus Persulfaten/Perschwefelsäure, die elektrochemisch hergestellt wird

Country Status (1)

Country Link
DE (2) DE19803001A1 (de)

Also Published As

Publication number Publication date
DE19803001A1 (de) 1998-09-24

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee
8364 No opposition during term of opposition