CATALYSTS FOR THE DEHYDROGENATION OF C3-C20 PARAFFINS AND THEIR PREPARATION

摘要

the invention relates to a catalyst comprising a support containing at least one metal of the group viii of the periodic classification of the elements, such as platinum, palladium, ruthenium,rhodium, nickel, osmium and iridium, and at least one metal selected from the group consisting of additional groups iib, iiia, iva, ivb, vb,.viib and viii and at least one metal selected from the group consisting of the alkali and alkaline earth metals.characterized in that the alkali or an alkaline earth metal is at least partially included in the support in the form of an aluminate; the invention also relates to the preparation and use of dudparaffin dehydrogenation catalyst in the c3 to c20.