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 nitroaromatiqueInfo
- 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
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)
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)
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)
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 |
-
1977
- 1977-11-18 CA CA291,265A patent/CA1094264A/fr not_active Expired
- 1977-11-23 AU AU30875/77A patent/AU504177B2/en not_active Expired
- 1977-11-29 NZ NZ185812A patent/NZ185812A/xx unknown
- 1977-12-05 ZA ZA00777226A patent/ZA777226B/xx unknown
- 1977-12-09 JP JP14733177A patent/JPS5374102A/ja active Granted
- 1977-12-12 NO NO774265A patent/NO774265L/no unknown
- 1977-12-12 BR BR7708249A patent/BR7708249A/pt unknown
- 1977-12-13 FI FI773771A patent/FI773771A/fi not_active Application Discontinuation
- 1977-12-13 SE SE7714129A patent/SE7714129L/xx unknown
- 1977-12-14 FR FR7737644A patent/FR2374464A1/fr active Granted
- 1977-12-14 DE DE19772755769 patent/DE2755769A1/de not_active Withdrawn
- 1977-12-14 ES ES465038A patent/ES465038A1/es not_active Expired
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 |