One-step liquid phase process for dimethyl ether synthesis

Details One-step liquid phase process for dimethyl ether synthesis One-step liquid phase process for dimethyl ether synthesis

C - Chemistry, Metallurgy

07

C

322/37, 260/638,

C07C 41/01 (2006.01) C07C 29/152 (2006.01) C07C 31/04 (2006.01) C07C 41/09 (2006.01) C07C 43/04 (2006.01) H02P 9/04 (2006.01)

Patent

CA 2020929

ABSTRACT A one-step process is disclosed for the production of dimethyl ether, with varying amounts of co-product methanol, from synthesis gas. In the process, synthesis gas with a wide range of compositions of H2, CO, CO2, and other species is contacted with a catalyst or mixture of catalysts suspended in an inert liquid in a three phase reactor system. In situations where the feed gas is relatively rich in CO and poor in H2, H2O may be co-fed to enhance productivity. The catalyst, which comprises both a methanol synthesis component and a dehydration (ether forming) component, can be in the form of pellets or powder, depending or the mode of operation for the reactor.

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