Abstract

Due to high concentrations of sulfur and carbonates in Jordan oil shale, it was anticipated that the deposits would be a suitable burning fuel in an atmospheric fluidized bed system. The SO 2, capture by calcium oxide and calcined dolomite in spent shale prompted this experimental program to verify spent shale reactivity and SO 2 retention. Concentrations of SO 2, in effluents were analyzed vs. time in a fluidized bed material of silica sand, pure limestone rock (99.6% carbonates) and spent shale. The SO 2, release was studied in batch tests for each bed material. The effect of particle size in spent shale FBC was tested. Some model sulfur containing compounds were impregnated on limestone carrier solids and combusted to give time-release data. A sample of pyrite was charged to the bed of limestone sand in order to study its sulfur release and compare the data. A component balance was attempted to trace sulfur in the various bed materials.

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