Catalytic olefin hydration for ether production

Details Catalytic olefin hydration for ether production Catalytic olefin hydration for ether production

C - Chemistry, Metallurgy

07

C

C07C 43/04 (2006.01) C07C 41/05 (2006.01)

Patent

CA 2087276

2087276 9201660 PCTABS00010 An improved process for the production of dialkyl ether in which a lower alkylene feedstock and water are contacted in a catalytic reaction zone with a porous solid acidic olefin hydration catalyst under olefins hydration and etherification conditions. The improvement comprises: recovering a first fluid effluent stream from the fixed bed reaction zone; splitting the first fluid effluent stream into a liquid product recovery stream and a fluid recycle stream; and passing the fluid recycle stream comprising olefin, alcohol and ether in effluent stream proportions for feeding to the reaction zone along with fresh olefinic feedstock and water, wherein the amount of fluid recycle stream is sufficient to maintain a homogeneous single fluid reaction phase in the reaction zone for further conversion with propene. The preferred solid catalyst comprises an acidic zeolite, such as zeolite Beta.

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