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
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 (xx) |
| JP (1) | JPS5374103A (xx) |
| AU (1) | AU504215B2 (xx) |
| BR (1) | BR7708250A (xx) |
| CA (1) | CA1096111A (xx) |
| DE (1) | DE2755767A1 (xx) |
| ES (1) | ES465040A1 (xx) |
| FI (1) | FI773772A (xx) |
| FR (1) | FR2374465A1 (xx) |
| NO (1) | NO774234L (xx) |
| NZ (1) | NZ185751A (xx) |
| SE (1) | SE434856B (xx) |
| ZA (1) | ZA776988B (xx) |
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 (xx) * | 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 JP JP14894177A patent/JPS5374103A/ja active Granted
- 1977-12-13 FI FI773772A patent/FI773772A/fi not_active Application Discontinuation
- 1977-12-13 SE SE7714130A patent/SE434856B/xx unknown
- 1977-12-14 DE DE19772755767 patent/DE2755767A1/de not_active Withdrawn
- 1977-12-14 ES ES465040A patent/ES465040A1/es not_active Expired
- 1977-12-14 FR FR7737645A patent/FR2374465A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| AU3092177A (en) | 1979-06-28 |
| US4036680A (en) | 1977-07-19 |
| DE2755767A1 (de) | 1978-06-15 |
| CA1096111A (en) | 1981-02-24 |
| BR7708250A (pt) | 1978-09-05 |
| FR2374465B1 (xx) | 1981-03-06 |
| SE7714130L (sv) | 1978-06-15 |
| SE434856B (sv) | 1984-08-20 |
| AU504215B2 (en) | 1979-10-04 |
| NZ185751A (en) | 1980-09-12 |
| JPS5374103A (en) | 1978-07-01 |
| JPS5345403B2 (xx) | 1978-12-06 |
| ES465040A1 (es) | 1978-12-01 |
| FI773772A (fi) | 1978-06-15 |
| NO774234L (no) | 1978-06-15 |
| FR2374465A1 (fr) | 1978-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ZA772545B (en) | Delignification and bleaching of a lignocellulosic pulp slurry with ozone | |
| ZA741287B (en) | Delignification and bleaching of wood pulp with oxygen | |
| SE7706247L (sv) | Massakokningsforfarande | |
| NZ185937A (en) | Delignification of lignocellulosic material with amine based liquor containing quinones or hydroqinones | |
| ZA752583B (en) | Delignification and bleaching of wood pulp with oxygen | |
| ZA776988B (en) | Delignification of lignocellulosic material with a soda pulping liquor containing a diels alder adduct of naphthoquinone in admixture with a nitro aromatic compound | |
| ZA776987B (en) | Delignification of lignocellulosic material with an alkaline liquor in the presence of a diels alder adduct of benzoquinone or naphthoquinone | |
| JPS5653235A (en) | Loom equipped with rotary type shuttle forming drum and beating mechanism therefor | |
| CA920753A (en) | Delignification and bleaching of chemical and semi-chemical cellulosic pulp | |
| ES420507A1 (es) | Procedimiento para estabilizar un material de fibra con hi-dratos de carbono en un tratamiento oxidante alcalino. | |
| ZA777226B (en) | Delignification of lignocellulosic material with a soda liquor containing a cyclic keto compound and a nitro aromatic compound | |
| AU2465177A (en) | Delignification and bleaching of a lignocellulosic pulp slurry with ozone | |
| JPS52114785A (en) | Dyestuff preparation for cellulosic and cellulose containing fiber material | |
| AU536250B2 (en) | Pulping lignocellulosic material | |
| AR218962Q (es) | Deslignificacion de material lignocelulosico con un licor alcalino en presencia de un compuesto ciclico cetonico | |
| NZ190271A (en) | Adhesive product containing spent acid sulphite pulping liquor and urea formaldehyde resin | |
| AU528368B2 (en) | Chemical delignification of lignocellulosic material | |
| NZ184212A (en) | Delignification of lignocellulosic material; addition of quinones or hydroquinones or their derivatives or tautomers to pulping liquor | |
| ES8702552A1 (es) | Un procedimiento para la deslignificacion oxidante de pasta quimica de madera | |
| USD202366S (en) | Inked ribbon spool | |
| AU5932980A (en) | Delignification of pulp | |
| DE3161711D1 (en) | Process for the delignification of lignocellulosic material | |
| AU524359B2 (en) | Pulping liquor reutilization | |
| JPS5482494A (en) | Quality improving resin composition of cellulosic fiber fabric | |
| AU529777B2 (en) | Pulping lignocellulosic material |