ATE284994T1 - 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
ATE284994T1
ATE284994T1 AT98912491T AT98912491T ATE284994T1 AT E284994 T1 ATE284994 T1 AT E284994T1 AT 98912491 T AT98912491 T AT 98912491T AT 98912491 T AT98912491 T AT 98912491T AT E284994 T1 ATE284994 T1 AT E284994T1
Authority
AT
Austria
Prior art keywords
bleaching
solution
acid
caroate
carosic
Prior art date
Application number
AT98912491T
Other languages
English (en)
Inventor
Maximilian Dorn
Michael Gnann
Sven Gutewort
Werner Sebb
Original Assignee
Degussa Initiators Gmbh & Co K
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
Priority claimed from DE19803001A external-priority patent/DE19803001A1/de
Application filed by Degussa Initiators Gmbh & Co K filed Critical Degussa Initiators Gmbh & Co K
Application granted granted Critical
Publication of ATE284994T1 publication Critical patent/ATE284994T1/de

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)
  • Detergent Compositions (AREA)
AT98912491T 1997-03-21 1998-03-19 Bleichen und delignifizierung von zellstoff durch caroate/carosche säure und herstellung derselben ATE284994T1 (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
ATE284994T1 true ATE284994T1 (de) 2005-01-15

Family

ID=26035106

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98912491T ATE284994T1 (de) 1997-03-21 1998-03-19 Bleichen und delignifizierung von zellstoff durch caroate/carosche säure und herstellung derselben

Country Status (6)

Country Link
EP (1) EP0968328B1 (de)
JP (1) JP2001518153A (de)
AT (1) ATE284994T1 (de)
CA (1) CA2284520A1 (de)
NO (1) NO994554L (de)
WO (1) WO1998042911A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4956991B2 (ja) * 2005-12-22 2012-06-20 三菱瓦斯化学株式会社 化学パルプの製造方法
JP4967451B2 (ja) * 2006-05-17 2012-07-04 三菱瓦斯化学株式会社 漂白パルプの製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4049786A (en) * 1976-09-13 1977-09-20 Fmc Corporation Process of preparing peroxymonosulfate
US4144144A (en) * 1976-12-23 1979-03-13 Fmc Corporation Electrolytic production of sodium persulfate
US4756800A (en) * 1986-09-03 1988-07-12 The United States Of America As Represented By The Secretary Of Agriculture Method for producing salts of monoperoxysulfuric acid and simultaneously bleaching pulp
US5091054A (en) * 1989-08-18 1992-02-25 Degussa Corporation Process for bleaching and delignification of lignocellulosic
EP0571433B1 (de) * 1991-02-12 1995-04-19 Pulp and Paper Research Institute of Canada Bleichen von lignocellulosischen Materialien mit aktiviertem Sauerstoff
CA2080026A1 (en) * 1992-09-09 1994-03-10 Alfred Wong Novel method of bleaching of lignocelulosic pulp using persulphate

Also Published As

Publication number Publication date
JP2001518153A (ja) 2001-10-09
NO994554D0 (no) 1999-09-20
CA2284520A1 (en) 1998-10-01
EP0968328B1 (de) 2004-12-15
EP0968328A1 (de) 2000-01-05
WO1998042911A1 (de) 1998-10-01
NO994554L (no) 1999-09-20

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Legal Events

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