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Alumina-supported vanadium oxide catalysts (V 2 O 5 ∼ 10wt.%) with and without SnO 2 were tested in the dehydrogenation of isobutane at 590°C under atmospheric pressure and were characterized by BET, XPS, TPR, XRD and RAMAN. It is found that the electron interaction exists between V and Sn oxide species on the surface of support. The doping of appropriate amount of SnO ...
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