Oxidative Dehydrogenation of Hydrogen Sulfide over Polyarylene Quinone

The reaction of hydrogen sulfide to polyarylene quinone f (PAQ) and that of oxygen to polyarylene hydroquinone (PAHQ) were studied by static method. The, dormer reaction proceeded at room temperature, the conversion of PAQ being 95.8% at 185° C for 3 hours. The latter reaction occured scarcely at lower than 100° C and the conversion of PAHQ became 85.2% at 200° C for 3 hours. The oxidative dehydrogenation of hydrogen sulfide with oxygen over PAQ catalyst was studied at atmospheric pressure using a flow type reactor. The reaction order was 0.6 with respect to. hydrogen sulfide and was 0.4 with respect to oxygen. The activation energy was 10.4 kcal/mol in the temperature range of 180-220° C.