ES2000831A6 - Un procedimiento para la deslignificacion de materiales celulosicos - Google Patents

Un procedimiento para la deslignificacion de materiales celulosicos

Info

Publication number
ES2000831A6
ES2000831A6 ES868600839A ES8600839A ES2000831A6 ES 2000831 A6 ES2000831 A6 ES 2000831A6 ES 868600839 A ES868600839 A ES 868600839A ES 8600839 A ES8600839 A ES 8600839A ES 2000831 A6 ES2000831 A6 ES 2000831A6
Authority
ES
Spain
Prior art keywords
cellulosic materials
delignification
cellulosic
treated
conditions
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
Application number
ES868600839A
Other languages
English (en)
Spanish (es)
Inventor
Josef S 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
Publication of ES2000831A6 publication Critical patent/ES2000831A6/es
Expired 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)
  • Organic Insulating Materials (AREA)
  • Materials For Medical Uses (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Dental Preparations (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • External Artificial Organs (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Detergent Compositions (AREA)
ES868600839A 1985-08-05 1986-08-04 Un procedimiento para la deslignificacion de materiales celulosicos Expired ES2000831A6 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES2000831A6 true ES2000831A6 (es) 1988-03-16

Family

ID=25065878

Family Applications (1)

Application Number Title Priority Date Filing Date
ES868600839A Expired ES2000831A6 (es) 1985-08-05 1986-08-04 Un procedimiento para la deslignificacion de materiales celulosicos

Country Status (14)

Country Link
EP (1) EP0213376B1 (en, 2012)
JP (1) JPH0742669B2 (en, 2012)
AT (1) ATE57401T1 (en, 2012)
AU (1) AU591508B2 (en, 2012)
BR (1) BR8603671A (en, 2012)
CA (1) CA1282911C (en, 2012)
DE (1) DE3674866D1 (en, 2012)
ES (1) ES2000831A6 (en, 2012)
FI (1) FI85725C (en, 2012)
IN (1) IN167959B (en, 2012)
NO (1) NO168375C (en, 2012)
NZ (1) NZ217001A (en, 2012)
PT (1) PT83117B (en, 2012)
YU (1) YU45352B (en, 2012)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3674859D1 (de) * 1985-08-05 1990-11-15 Interox Sa Verfahren zur delignifizierung von zellulosematerialien.
FI122654B (fi) * 1997-12-08 2012-05-15 Ovivo Luxembourg Sarl Menetelmä paperisellumassan valmistamiseksi
CA2687581C (en) * 2007-05-23 2015-04-21 Alberta Research Council Inc. Method to remove hemicellulose from cellulosic fibres using a solution of ammonia and hydrogen peroxide

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 (en, 2012) * 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
DE3674859D1 (de) * 1985-08-05 1990-11-15 Interox Sa Verfahren zur delignifizierung von zellulosematerialien.

Also Published As

Publication number Publication date
BR8603671A (pt) 1987-03-10
EP0213376A1 (fr) 1987-03-11
ATE57401T1 (de) 1990-10-15
NO168375C (no) 1992-02-12
NO168375B (no) 1991-11-04
NO863132L (no) 1987-02-06
PT83117A (fr) 1986-09-01
FI863193L (fi) 1987-02-06
FI85725B (fi) 1992-02-14
EP0213376B1 (fr) 1990-10-10
NO863132D0 (no) 1986-08-04
JPH0742669B2 (ja) 1995-05-10
PT83117B (pt) 1988-10-14
NZ217001A (en) 1989-01-27
AU6054386A (en) 1987-02-12
FI863193A0 (fi) 1986-08-05
FI85725C (fi) 1992-05-25
IN167959B (en, 2012) 1991-01-12
CA1282911C (fr) 1991-04-16
YU45352B (en) 1992-05-28
YU137086A (en) 1987-10-31
JPS6297991A (ja) 1987-05-07
AU591508B2 (en) 1989-12-07
DE3674866D1 (de) 1990-11-15

Similar Documents

Publication Publication Date Title
DE3360706D1 (en) Process and reactor for the continuous digestion of fibrous plant material
EP0415149A3 (en) Process for bleaching and delignification of lignocellulosic materials
DE3468454D1 (en) Process for the treatment of cellulosic materials with oxidising agents
ZA876920B (en) Process for the bleaching of cellulosic pulps using hydrogen peroxide
SE9302409D0 (sv) Massaframstaellning
DE3672577D1 (de) Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten.
ES2000831A6 (es) Un procedimiento para la deslignificacion de materiales celulosicos
DE3566007D1 (en) Process for treating cellulosic fibrous materials
ES2000385A6 (es) Un procedimiento para deslignificar materiales celulosicos
ES8802335A1 (es) Procedimiento para mejorar las propiedades mecanicas de una pasta de papel quimica o semiquimica de bagazo
ES8606557A1 (es) Procedimiento para preparar pastas papeleras quimicas con vistas a su blanqueo
HRP920962B1 (en) Process for the delignification of cellulosic materials
JPS51125732A (en) A slime controlling agent in paper pulp industry
MY103876A (en) Improved alkaline peroxide treatment of nonwoody lignocellulosic substrates