Hydroisomerization and hydrocracking activity enhancement of a hierarchical ZSM-5 zeolite catalyst via atomic layer deposition of aluminium KU Leuven Ghent University
© 2016 The Royal Society of Chemistry. Desilication of a ZSM-5 zeolite in basic medium creates intracrystalline mesoporosity advantageous for catalysis, but a decrease in acidity often limits the gain by improved accessibility of sites. Atomic layer deposition of aluminium (Al-ALD) using cycles of reaction and hydrolysis of trimethylaluminum was applied to desilicated ZSM-5 samples to enhance acidity. Framework as well as extra-framework ...