DE3674866D1 - Verfahren zur delignifizierung von zellulosematerialien. - Google Patents

Verfahren zur delignifizierung von zellulosematerialien.

Info

Publication number
DE3674866D1
DE3674866D1 DE8686110249T DE3674866T DE3674866D1 DE 3674866 D1 DE3674866 D1 DE 3674866D1 DE 8686110249 T DE8686110249 T DE 8686110249T DE 3674866 T DE3674866 T DE 3674866T DE 3674866 D1 DE3674866 D1 DE 3674866D1
Authority
DE
Germany
Prior art keywords
cellulosic materials
cellulose materials
treated
delignifying cellulose
cellulosic
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
DE8686110249T
Other languages
English (en)
Inventor
Josef S Dr Gratzl
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.)
Solvay Chimie SA
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 DE3674866D1 publication Critical patent/DE3674866D1/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
    • 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)
  • External Artificial Organs (AREA)
  • Materials For Medical Uses (AREA)
  • Dental Preparations (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Organic Insulating Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Ultra Sonic Daignosis Equipment (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)
  • Cleaning Or Drying Semiconductors (AREA)
DE8686110249T 1985-08-05 1986-07-25 Verfahren zur delignifizierung von zellulosematerialien. Expired - Fee Related DE3674866D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76272485A 1985-08-05 1985-08-05

Publications (1)

Publication Number Publication Date
DE3674866D1 true DE3674866D1 (de) 1990-11-15

Family

ID=25065878

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686110249T Expired - Fee Related DE3674866D1 (de) 1985-08-05 1986-07-25 Verfahren zur delignifizierung von zellulosematerialien.

Country Status (14)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0212329B1 (de) * 1985-08-05 1990-10-10 INTEROX Société Anonyme Verfahren zur Delignifizierung von Zellulosematerialien
FI122654B (fi) * 1997-12-08 2012-05-15 Ovivo Luxembourg Sarl Menetelmä paperisellumassan valmistamiseksi
JP5467041B2 (ja) * 2007-05-23 2014-04-09 アルバータ イノヴェイツ−テクノロジー フューチャーズ セルロース繊維の脱ガム方法

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 (de) * 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 (de) * 1985-08-05 1990-10-10 INTEROX Société Anonyme Verfahren zur Delignifizierung von Zellulosematerialien

Also Published As

Publication number Publication date
FI863193A (fi) 1987-02-06
YU45352B (en) 1992-05-28
PT83117A (fr) 1986-09-01
PT83117B (pt) 1988-10-14
CA1282911C (fr) 1991-04-16
JPS6297991A (ja) 1987-05-07
AU591508B2 (en) 1989-12-07
NO168375B (no) 1991-11-04
FI85725C (fi) 1992-05-25
FI85725B (fi) 1992-02-14
NO168375C (no) 1992-02-12
JPH0742669B2 (ja) 1995-05-10
AU6054386A (en) 1987-02-12
YU137086A (en) 1987-10-31
IN167959B (de) 1991-01-12
ES2000831A6 (es) 1988-03-16
NZ217001A (en) 1989-01-27
EP0213376B1 (de) 1990-10-10
NO863132L (no) 1987-02-06
NO863132D0 (no) 1986-08-04
BR8603671A (pt) 1987-03-10
FI863193A0 (fi) 1986-08-05
ATE57401T1 (de) 1990-10-15
EP0213376A1 (de) 1987-03-11

Similar Documents

Publication Publication Date Title
DE69012931D1 (de) Verfahren zum Bleichen und zur Delignifizierung von lignozellulosehaltigen Materialien.
ATE2018T1 (de) Verfahren zur delignifizierung und zum bleichen von chemischen und halbchemischen zellstoffen.
FI884267A0 (fi) Menetelmä paperimassojen käsittelemiseksi otsonilla ja reaktori tämän menetelmän soveltamiseksi
ATE48290T1 (de) Verfahren zur delignifizierung und bleiche von zellstoffen.
DE3672577D1 (de) Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten.
ATA254787A (de) Refiner zum behandeln von faserstoffsuspension zur papierherstellung
DE3674866D1 (de) Verfahren zur delignifizierung von zellulosematerialien.
DE3674859D1 (de) Verfahren zur delignifizierung von zellulosematerialien.
ES8802335A1 (es) Procedimiento para mejorar las propiedades mecanicas de una pasta de papel quimica o semiquimica de bagazo
ATE35433T1 (de) Verfahren zur bereitstellung von chemischen holzpulpen hinsichtlich der bleiche.

Legal Events

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