Abstract
The purpose of contract No. E(49-18)2368 (EX-76-S-01-2368) was to develop a means for measuring coal reactivities at practical gasification conditions, to make measurements of coal reactivities on several coal chars, and to develop correlations relating coal gasification rates to measurable parameters. These goals have been achieved. A novel Hanging Reactor Thermobalance was developed under the present contract. This unique instrument provides a completely new method for measurement of gas/solid reaction rate data at practical process conditions of temperature, pressure, gas phase composition and fluid mechanical regime. In addition to coal gasification studies the new device will be useful in other energy related studies, i.e., shale oil pyrolysis and hot stack gas cleanup. The instrument was used to study the CO/sub 2/ gasification of Montana Rosebud char and Illinois No. 6 coal. A careful modelling study was made. The observed reaction rate vs. time (and conversion) data were correlated with a physically realistic model using only measurable parameters.
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