Process for the production of styrene

Details Process for the production of styrene Process for the production of styrene

C - Chemistry, Metallurgy

07

C

C07C 15/46 (2006.01) B01J 21/04 (2006.01) B01J 23/62 (2006.01) C07C 5/333 (2006.01) C07C 11/04 (2006.01)

Patent

CA 2246086

Process for the production of styrene which comprises: a) feeding to an alkylation unit a stream of benzene and a stream of recycled product containing ethylene; b) mixing the stream at the outlet of the alkylation unit, containing ethylbenzene, with a stream consisting of ethane; c) feeding the mixture thus obtained to a dehydrogenation unit containing a catalyst capable of contemporaneously dehydrogenating ethane and ethylbenzene; d) feeding the product leaving the dehydrogenation unit to a separation section to produce a stream essentially consisting of styrene and a stream containing ethylene; e) recycling the stream containing ethylene to the alkylation unit.

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