Abstract
This work describes the development of a fundamental engineering understanding of the kinetics of coal liquefaction using a semiempirical kinetic model for SRC-II coal liquefaction, and experimental data for liquefaction of several bituminous, subbituminous, and lignite coals in the presence of iron pyrite catalysts. The study establishes the applicability of one kinetic model to the liquefaction of widely different coals catalyzed by iron-sulfur catalysts in the coal minerals and/or iron pyrite catalysts. The source of the iron-sulfur catalyst has no effect, whereas H/sub 2/S has a strong inhibitive effect on the rate of hydrogenation reactions.
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