B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 23/83 (2006.01) B01J 23/85 (2006.01) B01J 23/887 (2006.01) B01J 37/08 (2006.01) C07C 5/333 (2006.01) C07C 15/067 (2006.01)
Patent
CA 2474607
A catalyst which is based upon an iron oxide and a compound of a lanthanide, of which iron oxide at least a portion is made by a process which involves heat decomposition of an iron halide, the lanthanide being in a quantity in the range of from 0.07 to 0.15 mole per mole iron oxide present in the catalyst, calculated as Fe2O3; a process for the preparation of the catalyst; a process for the dehydrogenation of an alkylaromatic compound which process involves contacting a feed containing the alkylaromatic compound with the catalyst; and a method of using an alkenylaromatic compound for making polymers or copolymers, in which method the alkenylaromatic compound has been prepared by the dehydrogenation process.
Catalyseur à base d'oxyde de fer et d'un composant de lanthanide, dont au moins une partie de l'oxyde de fer est obtenue au moyen d'un procédé consistant à effectuer la décomposition thermique d'un halogénure de fer, lanthanide étant présent en quantité de 0,07 à 0,15 molaire par mole d'oxyde de fer, calculé en tant que Fe¿2?O¿3?. Procédé servant à préparer ce catalyseur. Procédé servant à déshydrogéner un composé alkylaromatique et consistant à mettre en contact une charge contenant ce composé alkylaromatique avec le catalyseur. Procédé servant à mettre en application un composé alkénylaromatique afin de préparer des polymères ou des copolymères, ce composé alkénylaromatique ayant été préparé au moyen du procédé de déshydrogénation.
Culp Robert Dielman
Theobald Eugene Harry
Weaver Sarah Louise
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Shell Internationale Research Maatschappij B.v.
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