Collect. Czech. Chem. Commun. 1990, 55, 1708-1720

Kinetically induced multiple steady states during acetylene hydrogenation

Pavel Čapek and Karel Klusáček

Institute of Chemical Process Fundamentals, Czechoslovak Academy of Sciences, 165 02 Prague 6-Suchdol


An isothermal reaction model of acetylene hydrogenation on palladium catalyst is described. Steady-state solutions of the mass balances in a CSTR display regions of multiplicity caused by the very distinct rate and strength of adsorption and desorption of acetylene and hydrogen, respectively. Uniqueness and local stability of this model are investigated numerically; oscillatory behaviour is predicted to be absent for typical conditions.