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2004
Catalysts
H 2000
44- 021
Preparation and Characterization of Bimetallic PdMo/Y-Zeolite: Catalytic Properties in Methane Combustion. — Mo is introduced in Pd exchanged zeolites NaY
and HY under vacuum using Mo(CO)6 vapor at ambient temperature. The samples are
characterized by EPR and 29Si-MAS NMR spectroscopy, and TEM. The catalytic activity of PdHY increases with time during a relatively long period compared to the other
samples. PdHY and PdMoNaY are less active than PdNaY at 500 °C. The catalytic activity of monometallic samples increases with time, whereas it decreases for bimetallic
ones. — (ZINA*, M. S.; GHORBEL, A.; Solid State Sci. 6 (2004) 9, 973-980; Lab.
Chim. Mater. Catal., Fac. Sci. Tunis, Univ. El-Manar, 2092 El Manar, Tunis, Tunisia;
Eng.) — W. Pewestorf
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