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ABSTRACT
The effect of the presence of non-catalytic particles on combustor performance was studied experimentally. A spouted bed was used as the combustor with sand as the heterogeneous medium and propane as the fuel. A surface area (particle size) dependent heterogeneous effect of fuel conversion, hydrocarbon products due to incomplete combustion formation and carbon monoxide generation was observed. A change in bed medium to glass beads resulted in more efficient combustion. Fine particles generated in the bed due to fragmentation appear to make a significant contribution to the emissions from such a heterogeneous combustor.