Abstract: A process for obtaining light olefins by the dehydrogenation of corresponding paraffins, by reacting the paraffins with a catalytic system containing chromium oxide, tin oxide, at least one alkali metal oxide, and an alumina-silica carrier, and then regenerating the catalytic system in a regenerator by burning coke deposited on its surface at a temperature higher than the average temperature of the reactor.
Type:
Grant
Filed:
July 23, 1998
Date of Patent:
March 26, 2002
Assignees:
Siamprogetti S.p.A., Oao Nil Yarsintez
Inventors:
Rodolfo Iezzi, Andrea Bartolini, Franco Buonomo, Gueorgui Kotelnikov, Vladimir Bespalov