Abstract:The MCM-41 was synthesized from freshwater sponge (Metania kiliani) by the hydrothermal process. Aqueous impregnation of commercial 12-tungstophosphoric acid (H3PW12O40; HPW) in 5, 10, 15, 20 and 30 %, respectively, in MCM-41 led to the formation of new catalysts preserving hexagonal mesoporous characteristics and dispersed homogeneously on the surface and in the interior of the MCM-41 structure. The characterization of the catalysts was done by the analytical techniques: XRD, FTIR and SEM. For the study purpo… Show more
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