DK0881326T3 - Fremgangsmåde til fremstilling af blegede specialcellulosemasser - Google Patents

Fremgangsmåde til fremstilling af blegede specialcellulosemasser

Info

Publication number
DK0881326T3
DK0881326T3 DK97108710T DK97108710T DK0881326T3 DK 0881326 T3 DK0881326 T3 DK 0881326T3 DK 97108710 T DK97108710 T DK 97108710T DK 97108710 T DK97108710 T DK 97108710T DK 0881326 T3 DK0881326 T3 DK 0881326T3
Authority
DK
Denmark
Prior art keywords
cellulose pulp
producing bleached
special cellulose
bleached
special
Prior art date
Application number
DK97108710T
Other languages
English (en)
Inventor
Jiri Voronecky
Joerg Kuehn
Original Assignee
Schoeller & Hoesch Papierfab
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 Schoeller & Hoesch Papierfab filed Critical Schoeller & Hoesch Papierfab
Application granted granted Critical
Publication of DK0881326T3 publication Critical patent/DK0881326T3/da

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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
DK97108710T 1997-05-30 1997-05-30 Fremgangsmåde til fremstilling af blegede specialcellulosemasser DK0881326T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97108710A EP0881326B1 (de) 1997-05-30 1997-05-30 Verfahren zur Herstellung von gebleichten Spezialzellstoffen

Publications (1)

Publication Number Publication Date
DK0881326T3 true DK0881326T3 (da) 2002-02-11

Family

ID=8226853

Family Applications (1)

Application Number Title Priority Date Filing Date
DK97108710T DK0881326T3 (da) 1997-05-30 1997-05-30 Fremgangsmåde til fremstilling af blegede specialcellulosemasser

Country Status (6)

Country Link
EP (1) EP0881326B1 (da)
AT (1) ATE207153T1 (da)
DE (1) DE59704964D1 (da)
DK (1) DK0881326T3 (da)
ES (1) ES2164279T3 (da)
PT (1) PT881326E (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR088787A1 (es) * 2011-08-30 2014-07-10 Cargill Inc Composicion de pulpa

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2367771A (en) * 1941-10-08 1945-01-23 Mathieson Alkali Works Inc Bleaching cellulosic materials
US2478379A (en) * 1948-07-30 1949-08-09 Hercules Powder Co Ltd Cellulose bleaching
US4248663A (en) * 1978-07-05 1981-02-03 Pulp And Paper Research Institute Of Canada Pulping with an alkaline liquor containing a cyclic keto compound and an amino compound
SE434284B (sv) * 1980-05-07 1984-07-16 Mo Och Domsjoe Ab Forfarande vid syrgasdelignifiering av kemiskt uppsluten cellulosamassa varvid aromatiska diaminer tillfores
US4298428A (en) * 1980-08-07 1981-11-03 Nalco Chemical Company Use of additives in pulp bleaching processes to preserve pulp strength
US4295928A (en) * 1980-08-07 1981-10-20 Nalco Chemical Company Phenolic compounds as viscosity preservatives during hypochlorite pulp bleaching
US4487656A (en) * 1983-09-30 1984-12-11 Melamine Chemicals, Inc. Process for bleaching paper pulp using melamine as a viscosity stabilizer
JPS6112992A (ja) * 1984-06-26 1986-01-21 新王子製紙株式会社 リグノセルロ−ス物質の漂白方法
DE4137761A1 (de) * 1991-05-17 1992-11-19 Call Hans Peter Verfahren zur delignifizierung von lignocellulosehaltigem material, bleiche und behandlung von abwaessern mittels laccasen mit erweiteter wirksamkeit
WO1995033884A1 (en) * 1994-06-02 1995-12-14 Macmillan Bloedel Limited Ozone bleaching
US5529662A (en) * 1994-07-06 1996-06-25 Macmillan Bloedel Limited Method of bleaching cellulosic pulps with ozone and a protective amount of an N-alkylated urea

Also Published As

Publication number Publication date
EP0881326B1 (de) 2001-10-17
ES2164279T3 (es) 2002-02-16
ATE207153T1 (de) 2001-11-15
PT881326E (pt) 2002-04-29
EP0881326A1 (de) 1998-12-02
DE59704964D1 (de) 2001-11-22

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