Suporte para facricação de catalisador de acetato de vinila processos para fabricação de suporte inerte para catalisador de acetato de vinila para feito fluido para fabricação de catalisador de acetato de vinila para leito fluido catalisador de acetato de vinila para leito fluido e processo para produção de acetato de vinila

摘要

A process for the preparation of a fluid bed vinyl acetate (VAM) catalyst comprising impregnating a support comprising a mixture of substantially inert microspheroidal particles with a solution comprising a halide-free metal salt of Pd and M, wherein M comprises Ba, Au, La, Nb, Ce, Zn, Pb, Ca, Sr, Sb or mixtures thereof, reducing the metal salts to form a deposit of Pd and M on the support surface and impregnating the support with at least one halide-free alkali metal salt. At least 50% of the particles used for the microspheroidal support have a particle size below 100 microns, preferably below 60 microns. The pore volume of these particles is from 0.2 to 0.7cm<3>/g and the surface area is from 100 to 200 m<2>/g.