Catalytic combustion of chlorobenzene over V2O5/TiO2 catalysts prepared by the precipitation-deposition method |
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Authors: | Sung Woo Moon Gun-Dae Lee Seong Soo Park and Seong-Soo Hong |
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Institution: | (1) Division of Applied Chemical Engineering, Pukyong National University San, 100 Yongdang-dong, Nam-ku, Pusan, 608-739, Korea |
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Abstract: | Catalytic combustion of chlorobenzene over supported vanadium oxides has been investigated. TiO2 was prepared by the sol-gel method from titanium isopropoxide. The supported vanadium oxide catalysts have been prepared
by precipitation-deposition and impregnation method and characterized by XRD, FT-Raman and TPR. In the VOx/TiO2catalysts prepared using the impregnation method, when vanadium loading reaches 3 wt.%, the activity shows a maximum. However,
in the VOx/TiO2catalysts prepared by precipitation-deposition, when vanadium loading reaches 7 wt.%, the activity shows a maximum. This result
suggests that the precipitation-deposition can yield a higher metal loading on the support and a high dispersion compared
to the impregnation method.
This revised version was published online in August 2006 with corrections to the Cover Date. |
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Keywords: | Catalytic combustion of chlorobenzene precipitation-deposition method VOx/TiO2 catalyst |
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