A catalyst system and process for combined cracking and selective hydrogen
combustion of hydrocarbons are disclosed. The catalyst comprises (1) at
least one solid acid component, (2) at least one metal-based component
comprised of one or more elements from Groups 1 and 2; one or more
elements from Group 3; one or more elements from Groups 4 15 of the
Periodic Table of the Elements; and at least one of oxygen and sulfur and
(3) at least one of at least one support, at least one filler and at
least one binder. The process is such that the yield of hydrogen is less
than the yield of hydrogen when contacting the hydrocarbons with the
solid acid component alone.