Process for converting aliphatics to aromatics over a gallium-ac

Details Process for converting aliphatics to aromatics over a gallium-ac Process for converting aliphatics to aromatics over a gallium-ac

1988-09-06

1989-08-29

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By ring formation from nonring moiety, e.g., aromatization,...

585419, C07C 252

Patent

active

048619337

ABSTRACT:
A catalytic process is provided for converting a C.sub.3.sup.+ feedstock containing at least 50 wt. % of C.sub.3 to C.sub.12 aliphatic hydrocarbons to aromatics by contacting the feedstock under conversion conditions of a severity resulting in a conversion of at least about 80 wt. % of said hydrocarbons, with a catalyst prepared by loading with gallium a zeolite having a Constraint Index within the approximate range of 1 to 12 and a silica/alumina molar ratio of about 25:1 to 1000:1, and subsequently calcining the catalyst at a temperature of at least about 700.degree. C.

REFERENCES:
patent: 4180689 (1979-12-01), Davis et al.
patent: 4304686 (1981-12-01), Telford
patent: 4334114 (1982-06-01), Ellis
patent: 4350835 (1982-09-01), Chester et al.
patent: 4487843 (1984-12-01), Telford et al.

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