Patent ID: 8685875
Filing Date: 2014-04-01
Classification: B01J

Abstract:
1. A method of preparing a shaped zeolitic material with enhanced mesoporosity, said method comprising: (a) forming a composite shaped article comprising at least one zeolite and at least one non-zeolitic material, wherein said zeolite comprises faujasite, mordenite, ZSM-5, CHA, or mixtures thereof; and (b) contacting said composite shaped article with at least one pH controlling agent and at least one surfactant under conditions sufficient to increase the pore volume of at least one 10 angstrom subset of mesoporosity in said composite shaped article, thereby forming said shaped zeolitic material with enhanced mesoporosity, wherein said pH controlling agent comprises an acid or a base, wherein increase of at least 0.05 cc/g in said zeolite of said composite shaped article.