Patent ID: 8536385
Filing Date: 2013-09-17
Classification: C01B,C07C

Abstract:
1. A process for preparing dimethyl ether comprising passing a raw gas containing carbon monoxide and hydrogen through a catalyst slurry containing a mixture comprising (a) a medium oil comprising, as a main component, a branched, saturated aliphatic hydrocarbon having 16 to 50 carbon atoms, 1 to 7 tertiary carbon atoms, 0 quaternary carbon atom, and 1 to 16 carbon atoms in the branched chains bonded to the tertiary carbon atoms; and at least one of the tertiary carbon atoms being bonded to hydrocarbon chains with a chain length having 4 or more of carbon atoms in three directions; (b) a methanol synthesis catalyst; (c) a methanol dehydration catalyst; and (d) a methanol shift catalyst or a methanol dehydration/shift catalyst.