Olefin hydration process

Details Olefin hydration process Olefin hydration process

C - Chemistry, Metallurgy

07

C

C07C 31/02 (2006.01) B01J 21/16 (2006.01) B01J 27/188 (2006.01) C07C 29/04 (2006.01)

Patent

CA 2163415

This invention relates to a process for hydrating olefins to the corresponding alcohols in the vapour phase in the presence of a catalyst system comprising a heteropolyacid catalyst supported on a clay support, the clay support being a hot acid treated clay. The hot acid treated clay is prepared by progressively leaching a commercial bentonite type clay with hot acid to enable the cations in the clay to be exchanged for hydrogen ions leading to a clay support of surface area greater than 50 m2/g. By using the specific acid treated clays as support, it is possible not only to increase the space-time-yield of the process but also to prolong the life of the support thereby reducing the frequency with which the support is changed or replaced on a plant.

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