Catalysts for para-ethyltoluene dehydrogenation

Details Catalysts for para-ethyltoluene dehydrogenation Catalysts for para-ethyltoluene dehydrogenation

1982-12-15

1985-03-12

Shine, W. J.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Inorganic carbon containing

502243, 502311, 502330, 585444, 585445, B01J 2378, B01J 2384, B01J 2386

Patent

active

045045941

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, and a bismuth compound, e.g., bismuth trioxide. Utilization of particular amounts of bismuth compound in dehydrogenation catalyst compositions of this type will provide a catalyst especially suitable for promoting the selective dehydrogenation of para-ethyltoluene to form para-methylstyrene in improved yields.

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