m bayat - Department of Chemical Engineering, School of Chemical and Petroleum Engineering,Shiraz University, Shiraz ۷۱۳۴۵, Iran
f rahmani - Department of Chemical Engineering, School of Chemical and Petroleum Engineering,Shiraz University, Shiraz ۷۱۳۴۵, Iran
t ghiyami
m.r Rahimpour - Department of Chemical Engineering, School of Chemical and Petroleum Engineering,Shiraz University, Shiraz ۷۱۳۴۵, Iran

In this work, a novel combination of fixed bed reactor and slurry bubble column reactors for methanol synthesis has been proposed. In the first catalyst bed (Fixed bed reactor), the synthesis gas is partially converted to methanol in a water-cooled reactor. In the second rector (Slurrybubble column reactor) which is a gas-cooled reactor, the reaction heat is used to preheat the feed gas to the first bed. in this work, Carbon monoxide injection to second reactor (slurry bubblecolumn reactor) was considered. On the other hand proficiency of two types of industrial dual typemethanol reactor (IDMR) and fluidized-bed membrane dual-type methanol reactor (FBMDMR) are used as a basis for comparison in terms of methanol production, CO and H2 conversions in the same condition. Simulation results show 13.3% and 7.92% enhancement in the yield of methanolproduction in comparison with IDMR and FBMDMR respectively while 10% CO was injected to the slurry bubble column reactor.

Methanol synthesis; Slurry Bubble column reactor; Dual type reactor; Carbon monoxide injection