Preparation of hierarchical HZSM-5 zeolites with combined desilication with NaAlO2/tetrapropylammonium hydroxide and acid modification for converting methanol to propylene
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DOI: 10.1039/c8ra08624a
Abstract: In the present work, mesoporosity is introduced into highly siliceous HZSM-5 zeolites (SiO2/Al2O3 = 400) by a two-step path including desilication using NaAlO2 and TPAOH (tetrapropylammonium hydroxide) mixtures, followed by acid washing treatment. The physicochemical… read more here.
Keywords: hzsm zeolites; acid washing; desilication; hzsm ... See more keywords