CA1106557A - Process for production of pulp - Google Patents
Process for production of pulpInfo
- Publication number
- CA1106557A CA1106557A CA292,069A CA292069A CA1106557A CA 1106557 A CA1106557 A CA 1106557A CA 292069 A CA292069 A CA 292069A CA 1106557 A CA1106557 A CA 1106557A
- Authority
- CA
- Canada
- Prior art keywords
- cooking
- sodium salt
- dihydroxyanthracene
- aid
- cooking aid
- 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)
- Materials For Medical Uses (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP148492/1976 | 1976-12-10 | ||
JP14849276A JPS5374101A (en) | 1976-12-10 | 1976-12-10 | Pulp making method |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1106557A true CA1106557A (en) | 1981-08-11 |
Family
ID=15453954
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA292,069A Expired CA1106557A (en) | 1976-12-10 | 1977-11-30 | Process for production of pulp |
Country Status (11)
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51112903A (en) * | 1975-03-26 | 1976-10-05 | Honshu Paper Co Ltd | Process for digesting lignocellulose material with sulphites |
US4036680A (en) * | 1976-12-14 | 1977-07-19 | Canadian Industries, Ltd. | Delignification of lignocellulosic material with a soda pulping liquor containing a Diels Alder adduct of benzoquinone or naphthoquinone in admixture with a nitro aromatic compound |
US4036681A (en) * | 1976-12-14 | 1977-07-19 | Canadian Industries, Ltd. | Delignification of lignocellulosic material with an alkaline pulping liquor containing a Diels Alder adduct of benzoquinone or naphthoquinone |
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 |
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 |
JPS5512806A (en) * | 1978-07-04 | 1980-01-29 | Oji Paper Co | Alkali pulp producing method |
FR2442912A1 (fr) * | 1978-07-27 | 1980-06-27 | Ugine Kuhlmann | Procede de cuisson de materiaux lignocellulosiques en vue de la production de pate a papier |
JPS55128091A (en) * | 1979-03-23 | 1980-10-03 | Oji Paper Co | Pulping of lignocellulose material |
JPS58125737U (ja) * | 1982-02-18 | 1983-08-26 | 株式会社シマノ | キヤリパ−ブレ−キ |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE326705C (de) * | 1919-10-17 | 1920-09-30 | Richard Hartmuth Dr | Verfahren zur Behandlung von Holz oder zellulosehaltigen Stoffen zwecks Gewinnung von Zellulose und kuenstlichem Harz, Lack, Asphalt u. dgl. |
US1658213A (en) * | 1924-09-30 | 1928-02-07 | Otto C Strecker | Process for the production of cellulose by decomposition of vegetable fibers |
US1705424A (en) * | 1924-09-30 | 1929-03-12 | Strecker Otto Carl | Process for the production of cellulose by decomposition of vegetable fibers |
DE486533C (de) * | 1926-12-24 | 1929-11-19 | Otto C Strecker Fa Dr | Verfahren zum Gewinnen von Zellstoff |
US1890040A (en) * | 1928-05-07 | 1932-12-06 | Gen Aniline Works Inc | Production of anthraquinone and derivatives thereof |
NL35585C (enrdf_load_stackoverflow) * | 1929-06-07 | |||
DE569853C (de) * | 1929-08-07 | 1933-02-09 | E H Willi Schacht Dr Ing | Verfahren zur Herstellung eines Halbzellstoffes aus Stroh und Graesern |
US2883826A (en) * | 1953-01-07 | 1959-04-28 | Univ Minnesota | Process for conditioning plant fibers for spinning |
FR72957E (enrdf_load_stackoverflow) * | 1956-11-05 | |||
CA986662A (en) * | 1973-05-01 | 1976-04-06 | David L. Mccandless | Pretreatment of lignocellulosic material with anthraquinone salts in alkaline pulping |
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 |
JPS51109303A (ja) * | 1975-03-24 | 1976-09-28 | Honshu Paper Co Ltd | Arukariisansoshorinyoru rigunoseruroosubutsushitsuno datsuriguninho |
CA1073161A (en) * | 1975-09-05 | 1980-03-11 | Canadian Industries Limited | Delignification process |
ZA773044B (en) * | 1976-06-02 | 1978-04-26 | Australian Paper Manufacturers | Improvements in pulping processes |
US4036681A (en) * | 1976-12-14 | 1977-07-19 | Canadian Industries, Ltd. | Delignification of lignocellulosic material with an alkaline pulping liquor containing a Diels Alder adduct of benzoquinone or naphthoquinone |
-
1976
- 1976-12-10 JP JP14849276A patent/JPS5374101A/ja active Granted
-
1977
- 1977-11-21 NZ NZ185734A patent/NZ185734A/xx unknown
- 1977-11-23 AU AU30870/77A patent/AU513517B2/en not_active Expired
- 1977-11-23 SE SE7713266A patent/SE437171B/xx not_active IP Right Cessation
- 1977-11-28 NO NO774067A patent/NO150087C/no unknown
- 1977-11-30 CA CA292,069A patent/CA1106557A/en not_active Expired
- 1977-12-02 FI FI773661A patent/FI68868C/fi not_active IP Right Cessation
- 1977-12-09 BR BR7708218A patent/BR7708218A/pt unknown
- 1977-12-09 FR FR7737226A patent/FR2373637A1/fr active Granted
- 1977-12-09 DE DE2754991A patent/DE2754991C3/de not_active Expired
-
1981
- 1981-02-12 US US06/233,962 patent/USRE32943E/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BR7708218A (pt) | 1978-09-05 |
NO774067L (no) | 1978-06-13 |
FI68868C (fi) | 1985-11-11 |
SE7713266L (sv) | 1978-06-11 |
DE2754991B2 (de) | 1979-01-18 |
DE2754991C3 (de) | 1987-06-19 |
AU3087077A (en) | 1979-05-31 |
JPS5374101A (en) | 1978-07-01 |
DE2754991A1 (de) | 1978-06-15 |
FR2373637B1 (enrdf_load_stackoverflow) | 1979-04-27 |
NO150087B (no) | 1984-05-07 |
FI773661A7 (fi) | 1978-06-11 |
NZ185734A (en) | 1980-11-28 |
FR2373637A1 (fr) | 1978-07-07 |
USRE32943E (en) | 1989-06-06 |
JPS5719239B2 (enrdf_load_stackoverflow) | 1982-04-21 |
NO150087C (no) | 1984-08-15 |
AU513517B2 (en) | 1980-12-04 |
FI68868B (fi) | 1985-07-31 |
SE437171B (sv) | 1985-02-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |