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A series of AlPO4-V2O5 (APV) systems with various vanadia amounts 130mol% were prepared by the impregnation method and calcinated at 400 and 600C for 4h. The catalysts were characterized by TG/DTG, DSC, IR spectroscopy, XRD, N2 adsorption, and electrical conductivity measurements. The surface acidity and basicity of the catalysts were studied by the dehydration-dehydrogenation of isopropyl alcohol...
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