Catalytic gasification of coals — Features and possibilities
✍ Scribed by Yoshiyuki Nishiyama
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 689 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0378-3820
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Nickel-catalysed steam gasification was examined for two Japanese and three German coals which had been pretreated with liquid ammonia. Reaction temperatures range from 923 to 1123 K. The greatest enhancement in reactivity by ammonia treatment and 1 wt % nickel loading was observed for Leopold coal.
unique rate increase with time in catalytic gasification of carbons by hydrogen was examined as to its dependence on reaction conditions, catalyst species, carbon substrates and so on, to clarify the reason of the phenomenon. It was marked with a porous substrate at relatively low temperature when