Selectivity, Activity, and Metal-Support Interactions of Rh Bimetallic Catalysts. Progress Report, 15 November 1981-15 August 1982

摘要

We report on a detailed investigation of the effect of TiO sub 2 support on Rh-Ag interaction as exhibited in catalytic activity. The temporal evolution of activity over Rh-Ag/TiO sub 2 for ethane hydrogenolysis and hydrogen chemisorption as a function of temperature, Ag to Rh ratio, the Rh particle size, Rh loading, and ambient gas were studied. Preliminary extended x-ray absorption fine structure (EXAFS) analysis of Rh/TiO sub 2 catalysts indicate that 100% exposed (dispersed) catalyst prepared by ion exchange may be atomically dispersed after low temperature reduction. 7 figures, 1 table. (ERA citation 07:063305)