Formation of Cobalt Phyllosilicate During Solid State Preparation of Co2+/ZSM5 Catalysts from Cobalt Acetate

Abstract

When CO2+/ZSM5 catalysts are prepared by solid state exchange between H-ZSM5 and cobalt acetate, CO2+ ions form layered cobalt phyllosilicate at the surface of the zeolite grains, bringing about a reassessment of the chemistry involved in the preparation of catalytic systems by solid state exchange.