Hydroconversion of coal tars: effect of the temperature of pyrolysis on the reactivity of the tars
โ Scribed by J.L. Lemberton; M. Touzeyidio; M. Guisnet
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- English
- Weight
- 298 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0378-3820
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## Abstract The Soโcalled coal tar resins are defined and their preparation from vertical retort tar and pitch is described. The resins are divided into resinols, resinoic acids, resinenes, and resinamines, about 99% consisting of resinenes. The importance of dxygen in these compounds is discussed.
## Abstract Further work on resinenes is reported including hydrolysis, bromination, thermal decomposition, dehydrogenation, hydrogenation, and alk line permanganate oxidation. The resinenes give neutral and phenolic products on hydrolysis. Dehydrogenation with selenium gives neutral and phenolic p
Pyrolysis of a lubricating oil waste with or without coal yields important quantities of valuable products such as C 1 ยฑC 3 alkanes, C 2 ยฑC 4 oleยฎns and BTX. However, information on molecular structures of tars obtained is only available in terms of analyses in the GCยฑMS ranges. This range correspon