| abstract |
Disclosed are supported platinum-tin (Pt—Sn) based catalysts and methods of their use in selective light alkane dehydrogenation to corresponding alkenes and preparation. The supported catalysts contain a support of blended zeolite, in particular SAPO-34, zinc aluminate compound, and calcium aluminate, impregnated with Pt and Sn metal and a promoter that includes an alkali metal or compound thereof, an alkaline earth metal or compound thereof, or any combination thereof. |