FI69128C - Foerfarande foer delignifiering av lignocellulosamaterial - Google Patents
Foerfarande foer delignifiering av lignocellulosamaterial Download PDFInfo
- Publication number
- FI69128C FI69128C FI773773A FI773773A FI69128C FI 69128 C FI69128 C FI 69128C FI 773773 A FI773773 A FI 773773A FI 773773 A FI773773 A FI 773773A FI 69128 C FI69128 C FI 69128C
- Authority
- FI
- Finland
- Prior art keywords
- solution
- cooking
- lignocellulosic material
- diketoanthracene
- process according
- Prior art date
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
- D21C3/003—Pulping cellulose-containing materials with organic compounds
Landscapes
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/750,448 US4036681A (en) | 1976-12-14 | 1976-12-14 | Delignification of lignocellulosic material with an alkaline pulping liquor containing a Diels Alder adduct of benzoquinone or naphthoquinone |
US75044876 | 1976-12-14 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI773773A FI773773A (fi) | 1978-06-15 |
FI69128B FI69128B (fi) | 1985-08-30 |
FI69128C true FI69128C (fi) | 1985-12-10 |
Family
ID=25017917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI773773A FI69128C (fi) | 1976-12-14 | 1977-12-13 | Foerfarande foer delignifiering av lignocellulosamaterial |
Country Status (14)
Country | Link |
---|---|
US (1) | US4036681A (pt) |
JP (1) | JPS5374104A (pt) |
AU (1) | AU507893B2 (pt) |
BR (1) | BR7708251A (pt) |
CA (1) | CA1096112A (pt) |
DE (1) | DE2755768A1 (pt) |
ES (1) | ES465039A1 (pt) |
FI (1) | FI69128C (pt) |
FR (1) | FR2374466A1 (pt) |
NO (1) | NO152342C (pt) |
NZ (1) | NZ185750A (pt) |
SE (1) | SE434857B (pt) |
SU (1) | SU890985A3 (pt) |
ZA (1) | ZA776987B (pt) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4181565A (en) * | 1976-12-10 | 1980-01-01 | Honshu Seishi Kabushiki Kaisha | Process for cooking lignocellulosic material in the presence of hydroxyanthracenes and derivatives thereof |
JPS5374101A (en) * | 1976-12-10 | 1978-07-01 | Honshu Paper Co Ltd | Pulp making method |
US4216054A (en) * | 1977-09-26 | 1980-08-05 | Weyerhaeuser Company | Low-consistency ozone delignification |
JPS6059356B2 (ja) * | 1977-12-05 | 1985-12-24 | 川崎化成工業株式会社 | パルプの製造方法 |
JPS54106601A (en) * | 1978-02-10 | 1979-08-21 | Oji Paper Co | Alkali sulfide pulping method |
FR2435457A1 (fr) * | 1978-06-29 | 1980-04-04 | Ugine Kuhlmann | Hexahydro-1,2,3,4,4a, 9a anthracene-dione-9,10, sa preparation et son application a la delignification des materiaux lignocellulosiques |
US4405784A (en) * | 1981-06-29 | 1983-09-20 | Air Products And Chemicals, Inc. | Method of making triethylenediamine |
RU2479619C2 (ru) * | 2009-11-17 | 2013-04-20 | Феликс Фердинандович Аухадеев | Пульсационное устройство для делигнификации целлюлозосодержащего растительного сырья и способ его работы |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1890040A (en) * | 1928-05-07 | 1932-12-06 | Gen Aniline Works Inc | Production of anthraquinone and derivatives thereof |
JPS51112903A (en) * | 1975-03-26 | 1976-10-05 | Honshu Paper Co Ltd | Process for digesting lignocellulose material with sulphites |
JPS5143403A (en) * | 1974-10-09 | 1976-04-14 | Honshu Paper Co Ltd | Arukariparupuno seizohoho |
FI51833C (pt) * | 1975-03-18 | 1978-01-24 | Ahlstroem Oy | |
CA1073161A (en) * | 1975-09-05 | 1980-03-11 | Canadian Industries Limited | Delignification process |
JPS5374101A (en) * | 1976-12-10 | 1978-07-01 | Honshu Paper Co Ltd | Pulp making method |
-
1976
- 1976-12-14 US US05/750,448 patent/US4036681A/en not_active Expired - Lifetime
-
1977
- 1977-11-18 CA CA291,210A patent/CA1096112A/en not_active Expired
- 1977-11-22 NZ NZ185750A patent/NZ185750A/xx unknown
- 1977-11-23 ZA ZA00776987A patent/ZA776987B/xx unknown
- 1977-11-23 AU AU30868/77A patent/AU507893B2/en not_active Expired
- 1977-12-07 JP JP14620577A patent/JPS5374104A/ja active Granted
- 1977-12-12 BR BR7708251A patent/BR7708251A/pt unknown
- 1977-12-12 NO NO774266A patent/NO152342C/no unknown
- 1977-12-13 SE SE7714131A patent/SE434857B/sv not_active IP Right Cessation
- 1977-12-13 FI FI773773A patent/FI69128C/fi not_active IP Right Cessation
- 1977-12-14 DE DE19772755768 patent/DE2755768A1/de not_active Withdrawn
- 1977-12-14 ES ES465039A patent/ES465039A1/es not_active Expired
- 1977-12-14 SU SU772553800A patent/SU890985A3/ru active
- 1977-12-14 FR FR7737737A patent/FR2374466A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
NO774266L (no) | 1978-06-15 |
JPS5345404B2 (pt) | 1978-12-06 |
CA1096112A (en) | 1981-02-24 |
AU507893B2 (en) | 1980-02-28 |
SE434857B (sv) | 1984-08-20 |
JPS5374104A (en) | 1978-07-01 |
ZA776987B (en) | 1978-09-27 |
ES465039A1 (es) | 1978-12-01 |
AU3086877A (en) | 1979-05-31 |
NZ185750A (en) | 1980-08-26 |
BR7708251A (pt) | 1978-09-05 |
NO152342C (no) | 1988-04-06 |
FI69128B (fi) | 1985-08-30 |
US4036681A (en) | 1977-07-19 |
DE2755768A1 (de) | 1978-06-15 |
FR2374466B1 (pt) | 1982-07-09 |
SE7714131L (sv) | 1978-06-15 |
SU890985A3 (ru) | 1981-12-15 |
FI773773A (fi) | 1978-06-15 |
NO152342B (no) | 1985-06-03 |
FR2374466A1 (fr) | 1978-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: CANADIAN INDUSTRIES LTD |