The V-O-Al catalyst was prepared by hydrothermal-fluid drying synthesis method and was tested in the dehydrogenation of isobutane to isobutene. The catalysts were characterized by means of XRD, ESR, TPR and BET. The V...The V-O-Al catalyst was prepared by hydrothermal-fluid drying synthesis method and was tested in the dehydrogenation of isobutane to isobutene. The catalysts were characterized by means of XRD, ESR, TPR and BET. The V-O-Al catalyst, derived from hydrothermal synthesis and possessing a higher vanadia dispersion in the alumina and larger surface area, especially showed a better catalytic activity and marked stability than the supported vanadium oxide catalyst.展开更多
文摘The V-O-Al catalyst was prepared by hydrothermal-fluid drying synthesis method and was tested in the dehydrogenation of isobutane to isobutene. The catalysts were characterized by means of XRD, ESR, TPR and BET. The V-O-Al catalyst, derived from hydrothermal synthesis and possessing a higher vanadia dispersion in the alumina and larger surface area, especially showed a better catalytic activity and marked stability than the supported vanadium oxide catalyst.
