Influence of the preparation method on the pore spectrum of Pt?Cr/Al2O3 and Pt?Sn/Al2O3 catalysts |
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| Authors: | D Damyanov and L Vlaev |
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| Institution: | (1) Higher Institute of Chemical Technology, 8010 Bourgas, Bulgaria |
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| Abstract: | It is shown that, in contrast to classical impregnation methods, in bimetallic catalyst production the texture of the carrier is stabilized by introducing the promoting ion on the surface of Pt/Al2O3 with vapors of CrO2Cl2 or SnCl4. This is shown by a relatively slower decrease of the specific area and the volume of the pores upon calcination.
      ,                     Pt/Al2O3- CrO2Cl2 SnCl4 .     .
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