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This work is devoted to understand the effect of K-doping (from K 2 CO 3 ) on the reducibility, sintering, and surface properties of Pd metal nanoparticles deposited on a peculiar high surface area SiO 2 –Al 2 O 3 (SA) support. The effect of K-doping on the Pd/SA catalyst is systematically investigated by means of several complementary techniques (TPR, TEM,...
The effect of exposure to C 2 H 4 of different CuCl 2 /Al 2 O 3 catalysts characterized by a wide copper content (0.25<Cu wt%<9.0) has been discussed. X-ray absorption near edge spectroscopy, electron spin resonance, and near infrared diffuse reflectance spectroscopy (NIR DRS) techniques and IR spectroscopy of adsorbed NO and CO, have been used to demonstrate...
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