Chemistry of hydrocarbon compounds – Aromatic compound synthesis – By ring formation from nonring moiety – e.g. – aromatization,...
Patent
1984-01-25
1986-01-28
Davis, Curtis R.
Chemistry of hydrocarbon compounds
Aromatic compound synthesis
By ring formation from nonring moiety, e.g., aromatization,...
208138, 585455, C07C 252
Patent
active
045673128
ABSTRACT:
Paraffins having a carbon number in excess of 10 are converted to aromatics, such as n-alkylbenzenes, over a dehydrocyclization catalyst comprising a large-pore zeolite containing at least one Group VIII metal. This process is carried out at a pressure of less than 100 psig. The dehydrocyclization catalyst can contain an alkaline earth metal selected from the group consisting of barium, strontium, and calcium. Preferably, the dehydrocyclization catalyst has from 8 to 10 percent by weight barium and from 0.2 to 1.0 percent by weight platinum, and the large-pore zeolite is a type L zeolite.
REFERENCES:
patent: 3397137 (1968-08-01), Pickert et al.
patent: 3783123 (1974-01-01), Young
patent: 4325808 (1982-04-01), Kim et al.
Miller Stephen J.
Pandey Sue D.
Chevron Research Company
Davis Curtis R.
La Paglia S. R.
Newell D. A.
Schaal E. A.
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