Micro/macroporous system: MFI-type zeolite crystals with embedded macropores.

Machoke, Albert G; Beltrán, Ana M; Inayat, Alexandra; Winter, Benjamin; Weissenberger, Tobias; Kruse, Nadine; Güttel, Robert; Spiecker, Erdmann et al. · Adv Mater · 2015

basic_science · Level V

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Abstract

Zeolite crystals with an embedded and interconnected macropore system are prepared by using mesoporous silica particles as a silica source and as a sacrificial macroporogen. These novel hierarchical zeolite crystals are expected to reduce diffusion limitations in all zeolite-catalyzed reactions, especially in the transformation of larger molecules like in the catalytic cracking of polymers and the conversion of biomass.