CA1188686A - Methode de production de celluloses a faible teneur de lignine - Google Patents

Methode de production de celluloses a faible teneur de lignine

Info

Publication number
CA1188686A
CA1188686A CA000408504A CA408504A CA1188686A CA 1188686 A CA1188686 A CA 1188686A CA 000408504 A CA000408504 A CA 000408504A CA 408504 A CA408504 A CA 408504A CA 1188686 A CA1188686 A CA 1188686A
Authority
CA
Canada
Prior art keywords
cellulose
extraction step
lignin
extraction
set forth
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
CA000408504A
Other languages
English (en)
Inventor
Jurgen Lenz
Walter Peter
Hans Krassig
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.)
Lenzing AG
Original Assignee
Chemiefaser Lenzing AG
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 Chemiefaser Lenzing AG filed Critical Chemiefaser Lenzing AG
Application granted granted Critical
Publication of CA1188686A publication Critical patent/CA1188686A/fr
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
    • D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment
    • 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
    • D21C3/003—Pulping cellulose-containing materials with organic compounds

Landscapes

  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Compounds Of Unknown Constitution (AREA)
CA000408504A 1981-08-06 1982-07-30 Methode de production de celluloses a faible teneur de lignine Expired CA1188686A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT346581A AT373303B (de) 1981-08-06 1981-08-06 Verfahren zur herstellung von zellstoffen mit niedrigem ligningehalt
ATA3465/81 1981-08-06

Publications (1)

Publication Number Publication Date
CA1188686A true CA1188686A (fr) 1985-06-11

Family

ID=3550902

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000408504A Expired CA1188686A (fr) 1981-08-06 1982-07-30 Methode de production de celluloses a faible teneur de lignine

Country Status (6)

Country Link
JP (1) JPS5836289A (fr)
AT (1) AT373303B (fr)
CA (1) CA1188686A (fr)
DE (1) DE3227843A1 (fr)
SE (1) SE8204379L (fr)
SU (1) SU1296014A3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60107726U (ja) * 1983-12-27 1985-07-22 株式会社　金門製作所 単箱式水道メ−タ
JPS62223385A (ja) * 1986-03-18 1987-10-01 株式会社日本紙パルプ研究所 パルプの製造法
CA2053035C (fr) * 1990-10-12 1997-09-30 Repap Enterprises Inc. Pates de bois sans chlore, et procede de fabrication
US5252183A (en) * 1991-09-13 1993-10-12 Abb Lummus Crest Inc. Process of pulping and bleaching fibrous plant material with tert-butyl alcohol and tert-butyl peroxide
FI103588B1 (fi) * 1996-01-19 1999-07-30 Esa Rousu Consulting Oy Menetelmä tekokuitujen ja muiden kuitujen raaka-aineen valmistamiseksi ruohovartisista kasveista
BR0005444A (pt) * 1999-11-19 2001-07-03 Praxair Technology Inc Processo para alvejamento de materiais lignocelulósicos

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA238294A (fr) * 1924-03-04 William Waggett Frederick Mecanisme de piano
US3585104A (en) * 1968-07-29 1971-06-15 Theodor N Kleinert Organosolv pulping and recovery process
DE2644155C2 (de) * 1976-09-30 1978-07-27 Theodor N. Dr. Pointe Claire Quebec Kleinert (Kanada) Kontinuierliches Aufschluß- und Ruckgewinnungsverfahren für pflanzliche Faserrohstoffe zur Herstellung von Zellstoff im organischen Lösungsmittel
DE2803465A1 (de) * 1978-01-27 1979-08-02 Hans Dipl Ing Knauth Verfahren zur erzeugung von zellstoff aus pflanzlichen faserrohstoffen unter verwendung organischer loesungsmittel - hydrosolvverfahren
DE2855052A1 (de) * 1978-12-20 1980-06-26 Nicolaus Md Papier Verfahren und vorrichtung zum kontinuierlichen aufschliessen von pflanzenfasermaterial

Also Published As

Publication number Publication date
SE8204379D0 (sv) 1982-07-19
DE3227843A1 (de) 1983-02-24
SU1296014A3 (ru) 1987-03-07
AT373303B (de) 1984-01-10
ATA346581A (de) 1983-05-15
SE8204379L (sv) 1983-02-07
DE3227843C2 (fr) 1989-10-05
JPS5836289A (ja) 1983-03-03

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry