The Effect of Support Nature and the Temperature of Preliminary Calcination on the Atomic Catalytic Activity of Supported Palladium Catalysts for the Complete Oxidation of Hydrocarbons |
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| Authors: | Chzhu D. P. Tsyrul'nikov P. G. Kryukova G. N. Borbat V. F. Kudrya E. N. Smolikov M. D. Bubnov A. V. |
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| Affiliation: | (1) Omsk Branch, Boreskov Institute of Catalysis (, Omsk, 644053, Russia;(2) Siberian Division, Russian Academy of Sciences, Boreskov Institute of Catalysis, Novosibirsk, 630090, Russia;(3) Omsk State University, Omsk, 644077, Russia |
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| Abstract: | It is shown that for palladium catalysts supported on various supports, there is no effect of thermal activation consisting of an increase in the turnover number (TON) of palladium with an increase in the temperature of sample calcination from 500 to 700°C, as was observed in the case of similar supported platinum catalysts; for two palladium–alumina catalysts calcined at 500°C and differing in the concentration of palladium and dispersity, the TON of low-dispersity palladium is substantially higher than the TON of high-dispersity palladium; all other conditions being the same, the TON of supported palladium is determined by the support nature. |
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