ZA776988B - Delignification of lignocellulosic material with a soda pulping liquor containing a diels alder adduct of naphthoquinone in admixture with a nitro aromatic compound - Google Patents
Delignification of lignocellulosic material with a soda pulping liquor containing a diels alder adduct of naphthoquinone in admixture with a nitro aromatic compoundInfo
- Publication number
- ZA776988B ZA776988B ZA00776988A ZA776988A ZA776988B ZA 776988 B ZA776988 B ZA 776988B ZA 00776988 A ZA00776988 A ZA 00776988A ZA 776988 A ZA776988 A ZA 776988A ZA 776988 B ZA776988 B ZA 776988B
- Authority
- ZA
- South Africa
- Prior art keywords
- delignification
- naphthoquinone
- admixture
- aromatic compound
- lignocellulosic material
- Prior art date
Links
- 238000005698 Diels-Alder reaction Methods 0.000 title 1
- 229930192627 Naphthoquinone Natural products 0.000 title 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 title 1
- 239000012978 lignocellulosic material Substances 0.000 title 1
- 150000002791 naphthoquinones Chemical class 0.000 title 1
- -1 nitro aromatic compound Chemical class 0.000 title 1
- 239000003265 pulping liquor Substances 0.000 title 1
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/750,442 US4036680A (en) | 1976-12-14 | 1976-12-14 | 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA776988B true ZA776988B (en) | 1978-09-27 |
Family
ID=25017892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00776988A ZA776988B (en) | 1976-12-14 | 1977-11-23 | Delignification of lignocellulosic material with a soda pulping liquor containing a diels alder adduct of naphthoquinone in admixture with a nitro aromatic compound |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4036680A (https=) |
| JP (1) | JPS5374103A (https=) |
| AU (1) | AU504215B2 (https=) |
| BR (1) | BR7708250A (https=) |
| CA (1) | CA1096111A (https=) |
| DE (1) | DE2755767A1 (https=) |
| ES (1) | ES465040A1 (https=) |
| FI (1) | FI773772A7 (https=) |
| FR (1) | FR2374465A1 (https=) |
| NO (1) | NO774234L (https=) |
| NZ (1) | NZ185751A (https=) |
| SE (1) | SE434856B (https=) |
| ZA (1) | ZA776988B (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CA1132763A (en) * | 1978-10-25 | 1982-10-05 | Harry H. Holton | Use of cyclic keto compounds as additives in vapor phase pulping process |
| DE2925544A1 (de) * | 1979-06-25 | 1981-01-22 | Bayer Ag | Verfahren zur delignifizierung von lignocellulose-materialien |
| DE2950693A1 (de) * | 1979-12-17 | 1981-06-25 | Bayer Ag, 5090 Leverkusen | Dispersionen von dinitroanthrachinonen, verfahren zu deren herstellung und ihre verwendung |
| JP6134445B2 (ja) | 2015-01-26 | 2017-05-24 | 日本製紙株式会社 | キシラン含有物の製造方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2538457A (en) * | 1946-11-02 | 1951-01-16 | Monie S Hudson | Treating wood |
| 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 (https=) * | 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 US05/750,442 patent/US4036680A/en not_active Expired - Lifetime
-
1977
- 1977-11-18 CA CA291,186A patent/CA1096111A/en not_active Expired
- 1977-11-22 NZ NZ185751A patent/NZ185751A/xx unknown
- 1977-11-23 ZA ZA00776988A patent/ZA776988B/xx unknown
- 1977-11-24 AU AU30921/77A patent/AU504215B2/en not_active Expired
- 1977-12-09 NO NO774234A patent/NO774234L/no unknown
- 1977-12-12 BR BR7708250A patent/BR7708250A/pt unknown
- 1977-12-13 FI FI773772A patent/FI773772A7/fi not_active Application Discontinuation
- 1977-12-13 JP JP14894177A patent/JPS5374103A/ja active Granted
- 1977-12-13 SE SE7714130A patent/SE434856B/xx unknown
- 1977-12-14 FR FR7737645A patent/FR2374465A1/fr active Granted
- 1977-12-14 ES ES465040A patent/ES465040A1/es not_active Expired
- 1977-12-14 DE DE19772755767 patent/DE2755767A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| NO774234L (no) | 1978-06-15 |
| SE434856B (sv) | 1984-08-20 |
| NZ185751A (en) | 1980-09-12 |
| SE7714130L (sv) | 1978-06-15 |
| DE2755767A1 (de) | 1978-06-15 |
| FR2374465A1 (fr) | 1978-07-13 |
| CA1096111A (en) | 1981-02-24 |
| AU3092177A (en) | 1979-06-28 |
| US4036680A (en) | 1977-07-19 |
| JPS5345403B2 (https=) | 1978-12-06 |
| ES465040A1 (es) | 1978-12-01 |
| FR2374465B1 (https=) | 1981-03-06 |
| BR7708250A (pt) | 1978-09-05 |
| JPS5374103A (en) | 1978-07-01 |
| AU504215B2 (en) | 1979-10-04 |
| FI773772A7 (fi) | 1978-06-15 |
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