Process for converting oxygenates into liquid hydrocarbons

Details Process for converting oxygenates into liquid hydrocarbons Process for converting oxygenates into liquid hydrocarbons

C - Chemistry, Metallurgy

07

C

260/688.7, 260/7

C07C 1/20 (2006.01) C07C 11/02 (2006.01) C07C 15/02 (2006.01) C10G 3/00 (2006.01) C10G 50/00 (2006.01)

Patent

CA 1261885

PROCESS FOR CONVERTING OXYGENATES INTO LIQUID HYDROCARBONS ABSTRACT In a process for converting oxygenated feedstock, such as methanol and dimethyl ether into liquid hydrocarbons, in which the feedstock is first contacted with a zeolite catalyst to produce C2-C4 olefins and C5+ hydrocarbons, and in which C3+ olefins are then contacted with oligomerization catalyst comprising medium-pore, shape-selective acidic zeolite at increased pressure to produce gasoline and/or distillate liquids, lower alkenes in the form of ethene and/or olefinic gasoline are recycled to the first catalyst stage.

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