0 96 76 80 81 50oxygen wt 5 46 23 2 3 42sulfur wt 4 03 0 20moisture wt 1 57 0 19 7 47ash wt 13 55 14 94lime cao wt 44 30co sub 2 wt 40 37 14 79co wt 0 28so sub x so sub 2 so sub 3 ppm 1 200 no sub x no no sub 2 ppm 429 hydrocarbons as ch sub 4 393 ppmhcl ppm 42 temperature withinfluidized bed 1560 u00b0 f gas velocityft sup 3 sec ft sup 2 7 4______________________________________ table 2______________________________________ stream sorbent com flue coal catalyst bustion gasanalysis feed a air dry ______________________________________carbon wt 69 90hydrogen wt 4 53nitrogen wt 0 96 76 8 82 46oxygen wt 5 44 23 2 3 04sulfur wt 4 03moisture wt 1 52 8 04ash wt 13 55co sub 2 wt 14 49co wt 0023so sub x so sub 2 so sub 3 ppm 146 no sub x no no sub 2 ppm 18 hydrocarbons as ch sub 4 27 ppmtemperature withinfluidized bed 1587 u00b0 f gas velocity ft sup 3 sec ft sup 2 8 3______________________________________ the coal as described in example 1 was thermally combusted in a fluidized bed combustion chamber with sorbent catalyst b which was produced by co precipitation from solution mixtures of sodium silicate sodium hydroxide sodium aluminate and calcium nitrate the slurry which resulted was filtered washed dried and then heated to 1110 u00b0 c thus forming a material with empirical structure cao 3 s i o 2 al 2 o 3 1 2 this material was then impregnated with a solution mixture of chloroplatinic acid palladium chloride and rhodium chloride such that the total metal loading was 0 2 weight percent of the previously prepared dry powder and the platinum to palladium ratio was.