DE59704964D1 - Verfahren zur Herstellung von gebleichten Spezialzellstoffen - Google Patents

Verfahren zur Herstellung von gebleichten Spezialzellstoffen

Info

Publication number
DE59704964D1
DE59704964D1 DE59704964T DE59704964T DE59704964D1 DE 59704964 D1 DE59704964 D1 DE 59704964D1 DE 59704964 T DE59704964 T DE 59704964T DE 59704964 T DE59704964 T DE 59704964T DE 59704964 D1 DE59704964 D1 DE 59704964D1
Authority
DE
Germany
Prior art keywords
bleached
production
special
special pulps
pulps
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
DE59704964T
Other languages
German (de)
English (en)
Inventor
Jiri Voronecky
Joerg Kuehn
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.)
Schoeller und Hoesch GmbH
Glatfelter Gernsbach GmbH and Co KG
Original Assignee
Papierfabrik Schoeller and Hoesch GmbH and Co KG
Schoeller und Hoesch GmbH
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 Papierfabrik Schoeller and Hoesch GmbH and Co KG, Schoeller und Hoesch GmbH filed Critical Papierfabrik Schoeller and Hoesch GmbH and Co KG
Application granted granted Critical
Publication of DE59704964D1 publication Critical patent/DE59704964D1/de
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
    • 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)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
DE59704964T 1997-05-30 1997-05-30 Verfahren zur Herstellung von gebleichten Spezialzellstoffen Expired - Lifetime DE59704964D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97108710A EP0881326B1 (fr) 1997-05-30 1997-05-30 Procédé de fabrication de pâtes spéciales de cellulose blanchie

Publications (1)

Publication Number Publication Date
DE59704964D1 true DE59704964D1 (de) 2001-11-22

Family

ID=8226853

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59704964T Expired - Lifetime DE59704964D1 (de) 1997-05-30 1997-05-30 Verfahren zur Herstellung von gebleichten Spezialzellstoffen

Country Status (6)

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

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 (fr) * 1994-06-02 1995-12-14 Macmillan Bloedel Limited Blanchiment par l'ozone
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 (fr) 2001-10-17
ATE207153T1 (de) 2001-11-15
EP0881326A1 (fr) 1998-12-02
PT881326E (pt) 2002-04-29
ES2164279T3 (es) 2002-02-16
DK0881326T3 (da) 2002-02-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition