CA1094264A - Delignification de materiel lignocellulosique par une liqueur a la soude contenant un compose cyclique du type ceto- et un compose nitroaromatique - Google Patents

Delignification de materiel lignocellulosique par une liqueur a la soude contenant un compose cyclique du type ceto- et un compose nitroaromatique

Info

Publication number
CA1094264A
CA1094264A CA291,265A CA291265A CA1094264A CA 1094264 A CA1094264 A CA 1094264A CA 291265 A CA291265 A CA 291265A CA 1094264 A CA1094264 A CA 1094264A
Authority
CA
Canada
Prior art keywords
lignocellulosic material
anthraquinone
weight
cyclic keto
compound
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
CA291,265A
Other languages
English (en)
Inventor
Harry H. Holton
Gordon H. Segall
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.)
PPG Architectural Coatings Canada Inc
Original Assignee
Canadian Industries Ltd
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 Canadian Industries Ltd filed Critical Canadian Industries Ltd
Application granted granted Critical
Publication of CA1094264A publication Critical patent/CA1094264A/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
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes

Landscapes

  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
CA291,265A 1976-12-14 1977-11-18 Delignification de materiel lignocellulosique par une liqueur a la soude contenant un compose cyclique du type ceto- et un compose nitroaromatique Expired CA1094264A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75044176A 1976-12-14 1976-12-14
US750,441 1985-07-01

Publications (1)

Publication Number Publication Date
CA1094264A true CA1094264A (fr) 1981-01-27

Family

ID=25017887

Family Applications (1)

Application Number Title Priority Date Filing Date
CA291,265A Expired CA1094264A (fr) 1976-12-14 1977-11-18 Delignification de materiel lignocellulosique par une liqueur a la soude contenant un compose cyclique du type ceto- et un compose nitroaromatique

Country Status (12)

Country Link
JP (1) JPS5374102A (fr)
AU (1) AU504177B2 (fr)
BR (1) BR7708249A (fr)
CA (1) CA1094264A (fr)
DE (1) DE2755769A1 (fr)
ES (1) ES465038A1 (fr)
FI (1) FI773771A (fr)
FR (1) FR2374464A1 (fr)
NO (1) NO774265L (fr)
NZ (1) NZ185812A (fr)
SE (1) SE7714129L (fr)
ZA (1) ZA777226B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2925544A1 (de) * 1979-06-25 1981-01-22 Bayer Ag Verfahren zur delignifizierung von lignocellulose-materialien
DE2941385A1 (de) * 1979-10-12 1981-04-23 Bayer Ag, 5090 Leverkusen Dispersionen von nitroanthrachinonen, verfahren zu deren herstellung und ihre verwendung
WO1999063149A1 (fr) * 1998-06-02 1999-12-09 The United States Of America, Represented By The Secretary Of Agriculture Procede de delignification de substances ligno-cellulosiques

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD98549A1 (fr) * 1970-07-23 1973-06-20
JPS5143403A (en) * 1974-10-09 1976-04-14 Honshu Paper Co Ltd Arukariparupuno seizohoho
JPS51112903A (en) * 1975-03-26 1976-10-05 Honshu Paper Co Ltd Process for digesting lignocellulose material with sulphites
FI51833C (fr) * 1975-03-18 1978-01-24 Ahlstroem Oy

Also Published As

Publication number Publication date
NZ185812A (en) 1980-10-08
FR2374464A1 (fr) 1978-07-13
NO774265L (no) 1978-06-15
ES465038A1 (es) 1978-12-01
AU3087577A (en) 1979-07-05
BR7708249A (pt) 1978-09-05
JPS5345402B2 (fr) 1978-12-06
JPS5374102A (en) 1978-07-01
DE2755769A1 (de) 1978-06-15
FI773771A (fi) 1978-06-15
FR2374464B1 (fr) 1981-02-27
SE7714129L (sv) 1978-06-15
ZA777226B (en) 1978-09-27
AU504177B2 (en) 1979-10-04

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Legal Events

Date Code Title Description
MKEX Expiry