Process for producing styrene

Details Process for producing styrene Process for producing styrene

1981-03-20

1982-08-31

Shaver, Paul F.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

Having alkenyl moiety, e.g., styrene, etc.

C07C 1510

Patent

active

043473962

ABSTRACT:
A process for producing styrene by dehydrogenation of ethylbenzene comprising feeding steam and ethylbenzene to three or more dehydrogenation reactors connected in series, an intermediate heater for heating the reaction mixture through heat exchange with steam being provided between each of said dehydrogenation reactors, said steam being first used as a medium to heat the respective intermediate heaters, and then mixed with ethylbenzene supplied as the feed to the first of said series of reactors, wherein 3 to 10 mols of steam are mixed with one mol of ethylbenzene and the temperature and pressure at the inlet of the final dehydrogenation reactor are 600.degree.-680.degree. C. and 0.4-0.8 Kg/cm.sup.2 (abs.), respectively, is disclosed.

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patent: 3868428 (1975-02-01), Cox

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