CA1311093C - Procede pour la delignification de matieres cellulosiques - Google Patents

Procede pour la delignification de matieres cellulosiques

Info

Publication number
CA1311093C
CA1311093C CA000515193A CA515193A CA1311093C CA 1311093 C CA1311093 C CA 1311093C CA 000515193 A CA000515193 A CA 000515193A CA 515193 A CA515193 A CA 515193A CA 1311093 C CA1311093 C CA 1311093C
Authority
CA
Canada
Prior art keywords
cellulosic materials
materials
cooking
carried out
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 - Lifetime
Application number
CA000515193A
Other languages
English (en)
French (fr)
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
Application granted granted Critical
Publication of CA1311093C publication Critical patent/CA1311093C/fr
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
    • 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)
  • Detergent Compositions (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Materials For Medical Uses (AREA)
  • Dental Preparations (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • External Artificial Organs (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
CA000515193A 1985-08-05 1986-08-01 Procede pour la delignification de matieres cellulosiques Expired - Lifetime CA1311093C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US76272685A 1985-08-05 1985-08-05
US762,726 1985-08-05

Publications (1)

Publication Number Publication Date
CA1311093C true CA1311093C (fr) 1992-12-08

Family

ID=25065883

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000515193A Expired - Lifetime CA1311093C (fr) 1985-08-05 1986-08-01 Procede pour la delignification de matieres cellulosiques

Country Status (13)

Country Link
EP (1) EP0212329B1 (de)
JP (1) JPH0742670B2 (de)
AT (1) ATE57400T1 (de)
AU (1) AU591509B2 (de)
BR (1) BR8603672A (de)
CA (1) CA1311093C (de)
DE (1) DE3674859D1 (de)
ES (1) ES2000385A6 (de)
FI (1) FI85726C (de)
NO (1) NO168490C (de)
NZ (1) NZ217002A (de)
PT (1) PT83118B (de)
YU (1) YU45351B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN167959B (de) * 1985-08-05 1991-01-12 Interox

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1474276A (fr) * 1965-03-19 1967-03-24 Electro Chimie Soc D Perfectionnements à la fabrication de pâte à papier
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
SE7612248L (sv) * 1976-11-03 1978-05-04 Mo Och Domsjoe Ab Kokning av lignocellulosahaltiga material
SU821614A1 (ru) * 1979-06-19 1981-04-15 Белорусский Технологический Институт Им.C.M.Кирова Способ получени целлюлозного полу-фАбРиКАТА
IN167959B (de) * 1985-08-05 1991-01-12 Interox

Also Published As

Publication number Publication date
EP0212329A1 (de) 1987-03-04
FI85726B (fi) 1992-02-14
JPH0742670B2 (ja) 1995-05-10
YU45351B (en) 1992-05-28
PT83118B (pt) 1988-10-14
EP0212329B1 (de) 1990-10-10
FI85726C (fi) 1992-05-25
FI863194A0 (fi) 1986-08-05
AU6054486A (en) 1987-02-12
YU136986A (en) 1987-10-31
ATE57400T1 (de) 1990-10-15
FI863194A (fi) 1987-02-06
DE3674859D1 (de) 1990-11-15
AU591509B2 (en) 1989-12-07
NO168490B (no) 1991-11-18
NO863133L (no) 1987-02-06
ES2000385A6 (es) 1988-02-16
BR8603672A (pt) 1987-03-10
NZ217002A (en) 1988-11-29
NO168490C (no) 1992-02-26
NO863133D0 (no) 1986-08-04
JPS6297992A (ja) 1987-05-07
PT83118A (fr) 1986-09-01

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Legal Events

Date Code Title Description
MKLA Lapsed