Iron oxide catalysts containing copper and zinc compounds and pr

Details Iron oxide catalysts containing copper and zinc compounds and pr Iron oxide catalysts containing copper and zinc compounds and pr

1984-12-14

1986-01-21

Doll, John

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

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

585444, 585440, 585443, C07C 266, C07C 412, C07C 532, C07C 5327

Patent

active

045658994

ABSTRACT:
Para-ethyltoluene dehydrogenation catalyst compositions and processes for using such catalysts are provided. The catalyst compositions comprise a catalytically active iron compound, e.g., iron oxide; a potassium catalyst promoter, e.g., potassium carbonate; an optional chromium compound stabilizer, e.g., chromic oxide, a copper compound, e.g., copper chromite, and a zinc compound, e.g., zinc ferrate. Utilization of particular amounts of zinc ferrate and copper chromite in dehydrogenation catalyst compositions of this type will provide a catalyst especially suitable for promoting the highly selective dehydrogenation of para-ethyltoluene to form para-methylstyrene with excellent conversion.

REFERENCES:
patent: 3360597 (1967-12-01), Jones et al.
patent: 3364277 (1968-01-01), Siem
patent: 4134858 (1979-01-01), Courty
patent: 4152300 (1979-05-01), Riesser
patent: 4433186 (1984-02-01), Chu
patent: 4496662 (1985-01-01), Chu

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