Abstract

Studies of the hydrodesulfurization (HDS) reactions of sulfur model compounds over eastern and western oil shale minerals have been conducted to provide a fundamental understanding of the heterogeneous catalytic behavior of minerals in oil shale pyrolysis. The products obtained from the reactions of thiophene over eastern low-temperature ashed (LTA) shales were C 1 −C 4 hydrocarbons, whereas with western LTA shales higher hydrocarbons, such as unsaturated cyclic compounds of C 5 and C 6 , plus a wide variety of alkylbenzenes were detected. The HDS reaction of thiophene over dolomite, siderite, illite, calcite, and a mixture of these minerals was also studied. The HDS activity of combusted spent shales will be discussed

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