Process for the preparation of an aromatic hydrocarbon mixture

Details Process for the preparation of an aromatic hydrocarbon mixture Process for the preparation of an aromatic hydrocarbon mixture

1984-08-08

1986-04-01

Doll, John

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

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

585407, 502 61, 502 71, C07C 200

Patent

active

045799881

ABSTRACT:
A process is disclosed for converting C.sub.2 -C.sub.4 paraffins into aromatic gasoline over a crystalline gallium silicate having a SiO.sub.2 /Ga.sub.2 O.sub.3 molar ratio between 25 and 250, which silicate has been subjected once or several times to a two-stage treatment comprising reduction at a temperature of 400.degree.-650.degree. C. and oxidation at a temperature of 350.degree.-700.degree. C. Optionally the gallium silicate is subjected to precalcining at a temperature of 600.degree.-1000.degree. C., the number of times of the two-stage treatment being determined by the fact whether or not said gallium silicates have been subjected to such precalcination.

REFERENCES:
patent: 3760024 (1973-09-01), Cattanach
patent: 3843741 (1974-10-01), Yan
patent: 3845150 (1974-10-01), Yan et al.
patent: 4180689 (1979-12-01), Davies et al.

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