A process for the preparation of a catalystconsisting in introducing at least one metal from group VIII of the periodic classification of the elements, at least one alkali or alkaline-earth matal, at least one halogen or halogenated compound, at least one additional metaaaal M selected from the group constituted by germanium, tin, lead, iron, titanium and chromium into a calcined and activated catalytic mass comprising at least one support and termeda precatalyst.
Material para suporte de catalisador, e,processos para a preparação de material parasuporte de catalisador catalisador, e para afabricação de 1,2-epoxibutano (bo)
Preparation of alumina-supported platinum catalyst at ambient temperature for selective synthesis of cinnamyl alcohol by liquid-phase cinnamaldehyde hydrogenation