Diisopropyl ether/mtbe cogeneration from crude by-product...

Details Diisopropyl ether/mtbe cogeneration from crude by-product... Diisopropyl ether/mtbe cogeneration from crude by-product...

C - Chemistry, Metallurgy

07

C

C07C 43/04 (2006.01) C07C 29/145 (2006.01) C07C 31/10 (2006.01) C07C 41/01 (2006.01) C07C 41/09 (2006.01)

Patent

CA 2135244

DIISOPROPYL ETHER/METHYL TERTIARY BUTYL BUTYL ETHER COGENERATION FROM ACETONE (D#81,273 -F) Disclosed is a two-step process for the generation of diisopropyl ether from a crude by-product acetone stream which comprises: a) Hydrogenating said crude acetone over a bulk-metal, nickel rich catalyst to give an isopropanol-rich effluent; b) Dehydrating said isopropanol-rich intermediate in the presence of a strong acid zeolite catalyst from the group consisting of .beta.-zeolite, optionally modified with one or more metals from Group IB, VB, VIB, VIIB and VIII of the Periodic Table, and a dealuminized Y-zeolite, wherein the dehydration temperature is from about 80°C to 200°C.

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