SYNTHESIS OF NANO Ag CATALYST EMBEDED VANADIUM PHOSPHORUS OXIDE FOR OXIDATION OF STYRENE TO BENZALDEHYDE BY HYDROGEN PEROXIDE

Thien Thanh Co, Khanh Kim Nguyen, Hoang Van Nguyen

Abstract


In this work, nano silver catalyst loaded on vanadium phosphorus oxide (Ag/VPO) for oxidation of styrene to benzaldehyde was synthesized by impregnating method including impregnating of VPO substrate with colloid solution of nano silvers. VPO substrate was prepared by microwave-assisted reaction of vanadium and phosphorus precursors. Meanwhile, nano Ag/PVP was prepared in solution using NaBH4 as reducing agent and polyvinylpyrrolidone (PVP) as protecting agent and spherical-shaped nano particles with mean diameter of about 7.5 nm determined by transmission electron microscopy (TEM) was obtained. 


Keywords


Benzaldehyde, impregnant, nano silver particles, styrene oxidation, VPO catalyst.

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DOI: https://doi.org/10.15625/2525-2518/58/6/15119 Display counter: Abstract : 132 views. PDF : 47 views.

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