The retention of hydrogen sulfide by alumina-supported vanadium oxide at 650-700 °C is studied with flow reactor experiments. The effects of sorbent prereduction and gas-phase composition (H_2 and H_2O content) are discussed. It is found that hydrogen sulfide is chemisorbed reversibly on a nonstoichiometric vanadium oxide. Bulk sulfide is not formed.
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Bagajewicz et al. (1988) studied this question.