SEARCH Articles Figures Tables Chemical Dealumination and Silicon Enrichment of Zeolites Chemical Dealumination of Y-Zeolites Dealumination Dealumination and the Preparation of Ultrastable Zeolite Dealumination of HY zeolites Dealumination of Y zeolites Dealumination of faujasite Dealumination of zeolites Degree of dealumination Effect of Dealumination on Acidic Properties Hydrothermal Dealumination of Y-Zeolites Of dealuminated faujasite Of dealuminated mordenite Of dealuminated zeolites