An unreactive hvC bituminous coal has been hydrogenated in a batch-stirred reactor using pyrite, hydrogen sulphide, and pyrite+ hydrogen sulphide as catalysts. The data indicate that H,S is an active homogeneous catalyst for coal liquefaction, and suggest that pyrite may be acting indirectly as a ca
Coal liquefaction by colloidal iron sulphide catalyst
โ Scribed by Yukimichi Nakao; Shinichi Yokoyama; Yosuke Maekawa; Kyoji Kaeriyama
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- English
- Weight
- 232 KB
- Volume
- 63
- Category
- Article
- ISSN
- 0016-2361
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The purpose of this work was to determine the effects of surface area variations of iron sulphides on coal liquefaction. Several iron sulphides were synthesized including pyrites (Fe!&) with 46.6 wt% Fe, pyrrhotites (Fe,.,S) with -60 wt% Fe and irortsulphur compounds of unknown composition. Surface
The hydrogenation and dehydrogenation kinetics of pyrene and hydropyrenes were studied in batch microreactors, both with and without catalyst, as a function of time, temperature, pressure and catalyst concentration. Under catalytic conditions at 648 K and-dihydropyrene and pyrene reached equilibriu