Chemistry of hydrocarbon compounds – Aromatic compound synthesis – By ring formation from nonring moiety – e.g. – aromatization,...
Patent
1986-03-17
1988-08-23
Davis, Curtis R.
Chemistry of hydrocarbon compounds
Aromatic compound synthesis
By ring formation from nonring moiety, e.g., aromatization,...
585415, 585417, 585418, C07C 1200
Patent
active
047662646
ABSTRACT:
This invention relates to a process for converting a C.sub.2 -C.sub.6 paraffin feedstock to aromatics over a gallium loaded zeolite catalyst. The feature of the invention is to bring the ethane in the feed with a fresh or freshly regenerated catalyst first and thereafter to bring the residual catalyst from this step into contact with the remainder of the C.sub.3 -C.sub.6 feedstock. The present process has the advantage of maximizing the yields of aromatics from a mixed feedstock using a single reactor and a single charge of catalyst.
REFERENCES:
patent: 4056575 (1977-11-01), Gregory et al.
patent: 4260839 (1981-04-01), Chen et al.
patent: 4490569 (1984-12-01), Chu et al.
Bennett Ian C.
Hall Antony H. P.
Davis Curtis R.
The British Petroleum Company
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