ATE57401T1 - Verfahren zur delignifizierung von zellulosematerialien. - Google Patents

Verfahren zur delignifizierung von zellulosematerialien.

Info

Publication number
ATE57401T1
ATE57401T1 AT86110249T AT86110249T ATE57401T1 AT E57401 T1 ATE57401 T1 AT E57401T1 AT 86110249 T AT86110249 T AT 86110249T AT 86110249 T AT86110249 T AT 86110249T AT E57401 T1 ATE57401 T1 AT E57401T1
Authority
AT
Austria
Prior art keywords
cellulosic materials
delignification
processes
cellulosic
treated
Prior art date
Application number
AT86110249T
Other languages
German (de)
English (en)
Inventor
Josef S Dr Gratzl
Original Assignee
Interox Sa
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 Interox Sa filed Critical Interox Sa
Application granted granted Critical
Publication of ATE57401T1 publication Critical patent/ATE57401T1/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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes

Landscapes

  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Paper (AREA)
  • Materials For Medical Uses (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Dental Preparations (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Organic Insulating Materials (AREA)
  • External Artificial Organs (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Detergent Compositions (AREA)
AT86110249T 1985-08-05 1986-07-25 Verfahren zur delignifizierung von zellulosematerialien. ATE57401T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US76272485A 1985-08-05 1985-08-05
EP86110249A EP0213376B1 (fr) 1985-08-05 1986-07-25 Procédé pour la délignification de matières cellulosiques

Publications (1)

Publication Number Publication Date
ATE57401T1 true ATE57401T1 (de) 1990-10-15

Family

ID=25065878

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86110249T ATE57401T1 (de) 1985-08-05 1986-07-25 Verfahren zur delignifizierung von zellulosematerialien.

Country Status (14)

Country Link
EP (1) EP0213376B1 (no)
JP (1) JPH0742669B2 (no)
AT (1) ATE57401T1 (no)
AU (1) AU591508B2 (no)
BR (1) BR8603671A (no)
CA (1) CA1282911C (no)
DE (1) DE3674866D1 (no)
ES (1) ES2000831A6 (no)
FI (1) FI85725C (no)
IN (1) IN167959B (no)
NO (1) NO168375C (no)
NZ (1) NZ217001A (no)
PT (1) PT83117B (no)
YU (1) YU45352B (no)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0212329B1 (fr) * 1985-08-05 1990-10-10 INTEROX Société Anonyme Procédé pour la délignification de matières cellulosiques
FI122654B (fi) * 1997-12-08 2012-05-15 Ovivo Luxembourg Sarl Menetelmä paperisellumassan valmistamiseksi
BRPI0810975B1 (pt) * 2007-05-23 2018-12-26 Alberta Res Council método para a remoção da hemicelutose das fibras celutósicas usando uma solução de amônia e peróxido de hidrogênio

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE873649C (de) * 1944-08-25 1953-04-16 Degussa Verfahren zur Herstellung von ungebleichten Zellstoffen mit hohem Weissgehalt
SE373896B (no) * 1972-07-05 1975-02-17 Mo Och Domsjoe Ab
SE380298B (sv) * 1974-03-14 1975-11-03 Mo Forfarande for delignifiering genom syrgas-alkalibehandling av lignocelluosahaltigt material
US4486267A (en) * 1983-11-14 1984-12-04 Mead Corporation Chemithermomechanical pulping process employing separate alkali and sulfite treatments
EP0212329B1 (fr) * 1985-08-05 1990-10-10 INTEROX Société Anonyme Procédé pour la délignification de matières cellulosiques

Also Published As

Publication number Publication date
DE3674866D1 (de) 1990-11-15
YU137086A (en) 1987-10-31
JPH0742669B2 (ja) 1995-05-10
NO863132L (no) 1987-02-06
ES2000831A6 (es) 1988-03-16
NO863132D0 (no) 1986-08-04
PT83117A (fr) 1986-09-01
FI85725C (fi) 1992-05-25
EP0213376B1 (fr) 1990-10-10
NO168375B (no) 1991-11-04
PT83117B (pt) 1988-10-14
FI863193A (fi) 1987-02-06
BR8603671A (pt) 1987-03-10
CA1282911C (fr) 1991-04-16
EP0213376A1 (fr) 1987-03-11
IN167959B (no) 1991-01-12
AU591508B2 (en) 1989-12-07
FI863193A0 (fi) 1986-08-05
JPS6297991A (ja) 1987-05-07
AU6054386A (en) 1987-02-12
NO168375C (no) 1992-02-12
YU45352B (en) 1992-05-28
NZ217001A (en) 1989-01-27
FI85725B (fi) 1992-02-14

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee