Steam Reforming of Methanol on Ni/Al_2O_3 Catalyst in a Pd-membrane Reactor

摘要

The application of the membrane reactor to steam reforming of methanol was studied as a hydrogen producing reaction.The activities,stabilities and selectivities of Cu/ZnO,Ni/Al_2O_3 and Ru/Al_2O_3 catalysts were tested using a conventional fixed-bed flow reactor.Ni/Al_2O_3 catalyst shown the most stable activity at 723 K but relatively low hydrogen yield because of methanation.However,the hydrogen-permeable membrane reactor suppressed methanation and hydrogen yield was enhanced compared with the conventional reactor.The membrane reactor was more effective at higher temperatures and higher W/F.