Abstract
A range of Canadian coals were subjected to variable heating-rate conditions in a variety of atmospheres. Heating rate was found to have little effect on total weight loss of the coal, but a dramatic effect on the actual composition of products. High heating rates substantially increased the yield of light hydrocarbons. Operation in ≈100 KPa (1 atm) H 2 at high heating rate resulted in 5% conversion to light hydrocarbon gas and liquid products. Operation in ≈10 MPa (100 atm) H 2 at a heating rate of 600 Ks −1 gave 10% coal conversion to light liquid products (benzene, xylene, toluene).
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