Hydrogen Diffusion through a PdRu Membrane in the Course
of Methanol Dehydrogenation to Methyl Formate
on a Copper-containing Catalyst

S. V. Gorshkov*, G. I. Lin*, A. Ya. Rozovskii*, Yu. M. Serov**, and S. J. Uhm***

* Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, 117912 Russia
** Russian University of People’s Friendship, Moscow, 117198 Russia
*** Korea Institute of Science and Technology, Seoul, Korea

Received December 30, 1997

Abstract—The diffusion of hydrogen through a Pd–Ru membrane placed inside a reactor was studied in the
dehydrogenation of methanol to methyl formate on a copper-containing catalyst and when the reaction does not
occur. Under the conditions of the catalytic reaction, the membrane was not poisoned with carbon monoxide
even at its high concentration, whereas CO rapidly deactivated the membrane when the reaction did not occur.
Possible mechanisms of membrane protection are considered.

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