Síntese e caracterização de catalisadores baseados em cinza de casca de arroz modificado com pentóxido de vanádio

Resumo

Vanadium pentoxide supported on rice husk ash was prepared by urea combustion method and characterized by XRD and FTIR technique. Solid prepared using RHA, obtained by basic lixiviation, showed a good dispersion of vanadium species. In transesterification reaction, V₂O₅/RHA catalyst, containing 10 mass % of V₂O_5, was more active at 200°C.