Integrated process for enhancing high octane ether...

Details Integrated process for enhancing high octane ether... Integrated process for enhancing high octane ether...

C - Chemistry, Metallurgy

07

C

44/21, 23/400, 2

C07C 41/05 (2006.01) C07C 1/20 (2006.01) C07C 41/06 (2006.01) C10G 3/00 (2006.01) C10L 1/02 (2006.01) C10L 1/18 (2006.01)

Patent

CA 2030797

F-5324 INTEGRATED PROCESS FOR ENHANCING HIGH OCTANE ETHER PRODUCTION AND OLEFIN CONVERSION IN GASOLINE ABSTRACT An integrated process is disclosed for converting C3+ and/or C4+ olefins to high octane ethers, alcohols and gasoline boiling range hydrocarbons. The invention incorporates C4+ tertiary olefin etherification with lower alkanol to produce lower alkyl tertiary alkyl ether in a first etherification step under mild conditions and linear olefins hydration and etherification using acidic catalyst in a second sequential step to produce additional high octane oxygenates. Unreacted olefins are passed to an olefins conversion zone in contact with zeolite catalyst for conversion to gasoline, distillate or aromatics. The invention particularly comprises an integrated process for the conversion of hydrocarbon feedstock comprising C3-C4 olefins containing isobutylene to high octane alcohol and ethers, including MTBE and TAME.

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