Effect of impregnation of activated carbon with chloroplatinic acid solution in acetone and subsequent heat treatment on the carbon pore structure

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Abstract
The effect of saturation of support with acetone and of subsequent heat treatment on the pore structure was studied for two types of activated carbon and platinum hydrogenation catalysts prepared from them. The observed distribution of the pore volumes with respect to the pore radii was compared with the initial pore structure of the untreated carbon. Changes in the pore distribution were found even in mild preparation conditions (calcination and reduction at 100 to 300 °C). These changes are particularly pronounced in the region of bulkier macropores and depend on the carrier nature. Coating of support with platinum does not affect the support pore structure in the preparation conditions applied.

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