Reforming catalyst with chelated promoter

Details Reforming catalyst with chelated promoter Reforming catalyst with chelated promoter

C - Chemistry, Metallurgy

10

G

C10G 35/06 (2006.01) B01J 23/56 (2006.01)

Patent

CA 2594803

A process for preparing a naphtha reforming catalyst has been developed. The process involves the use of a chelating ligand such as ethylenediaminetetraacetic acid (EDTA). The aqueous solution of the chelating ligand and a tin compound is used to impregnate a support, e.g., alumina extrudates. A platinum-group metal is also an essential component of the catalyst. Rhenium may also be a component. A reforming process using the catalyst has enhanced yield, activity, and stability for conversion of naphtha into valuable gasoline and aromatic products.

L'invention concerne un procédé de préparation d'un catalyseur de reformage de naphte consistant à utiliser un ligand chélateur, tel que l'acide éthylènediaminetétraacétique (EDTA). La solution aqueuse du ligand chélateur et un composé d'étain sont utilisés pour imprégner un support, par exemple, des extrudats d'alumine. Un métal du groupe du platine est également un composant essentiel du catalyseur. Le rhénium peut également être un composant. L'invention concerne également un procédé de reformage mettant en oeuvre le catalyseur et possédant un rendement, une activité et une stabilité améliorés pour la conversion de naphte en essence et produits aromatiques de valeur.

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