Process for making styrene using mircochannel process...

Chemistry of hydrocarbon compounds – Plural serial diverse syntheses – To produce aromatic

Reexamination Certificate

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C585S440000, C585S444000, C585S446000, C585S921000

Reexamination Certificate

active

07847138

ABSTRACT:
The disclosed invention relates to a process for converting ethylbenzene to styrene, comprising: flowing a feed composition comprising ethylbenzene in at least one process microchannel in contact with at least one catalyst to dehydrogenate the ethylbenzene and form a product comprising styrene; exchanging heat between the process microchannel and at least one heat exchange channel in thermal contact with the process microchannel; and removing product from the process microchannel. Also disclosed is an apparatus comprising a process microchannel, a heat exchange channel, and a heat transfer wall positioned between the process microchannel and heat exchange channel wherein the heat transfer wall comprises a thermal resistance layer.

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