Abstract
The removal from the coal fed to direct liquefaction processes of those macerals normally classed as inertinites is potentially attractive for two reasons. First, inertinites are less reactive than other macerals and tend to remain unconverted during processing. Second, inertinites are of low hydrogen content relative to the coal as a whole. Even where it is possible to convert them to liquids, the result is an increased hydrogen consumption per unit of product. This is undesirable as the cost of hydrogen is a major element of total liquefaction costs. This chapter presents and discusses the results from maceral analyses and extraction tests on the separator products.
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More From: 1991 International Conference on Coal Science Proceedings
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