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- W70849869 abstract "For gasification of lignite chars in hydrogen, sodium was more efficient as a catalyst than calcium. The gasification rate of lignite chars containing sodium or calcium remains essentially constant with the increase of total pressure in steam-hydrogen and synthesis gas mixtures. Both calcium and sodium enhance the rate of gasification of lignite chars in steam-hydrogen mixtures, and the effect is proportional to the concentration (g-atom/g-atom carbon) of sodium and/or calcium present. The catalytic effect of sodium or calcium depends on the nature of char on which the catalyst is dispersed; that is, the same concentration of sodium does not produce the same quantitative effect on rate for chars obtained from lignites having similar elemental composition. The catalysts tend to selectively enhance the rate of the steam-carbon reaction, preferring the carbon-hydrogen reaction when gasification is conducted in steam-hydrogen mixtures." @default.
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- W70849869 date "1979-01-01" @default.
- W70849869 modified "2023-09-24" @default.
- W70849869 title "Catalytic gasification of lignite chars" @default.
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