Development of Zeolite Catalyst Which has High Selectivity by Mechanochemical Treatment

Abstract

A new method for the surface deactivation of zeolite catalyst was tested via a mechanochemical approach using powder composer. Post-synthetic mechanochemical treatment of ZSM-5 zeolite causes a selective deactivation of catalytically active sites only existing on the external surface, giving a unique ZSM-5 zeolite catalyst without acid sites on the external surface, as a potentially useful catalyst for highly selective production of p-xylene.