Process for the production of light olefins from C.sub.5 + hydro

Details Process for the production of light olefins from C.sub.5 + hydro Process for the production of light olefins from C.sub.5 + hydro

1991-01-22

1991-10-22

Pal, Asok

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

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

585407, 585415, 585419, 585651, 585653, C07C 5393, C07C 532

Patent

active

050597353

ABSTRACT:
The C.sub.2 -C.sub.4 olefin yield is unexpectedly increased while coke and heavy aromatics production are decreased by the addition of a propane-rich supplemental feedstream in a process for catalytically upgrading C.sub.5 -C.sub.7 paraffinic feedstreams. Further benefits include increased conversion of the C.sub.5 -C.sub.7 paraffinic feedstream, decreased coke production and prolonged catalyst useful life. Udex raffinate is a particularly preferred feedstream.

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