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PublicationCatalysis Science & Technology
Year2014
Volume
Pages
International

Microwave-assisted synthesis of plate-like SAPO-34 nanocrystals with increased catalyst lifetime in the methanol-to-olefins reaction

Authors:Teresa Álvaro Muñoz, Enrique Sastre, Carlos Márquez Álvarez
Groups of research:Molecular Sieves
Nanocrystalline SAPO-34 catalysts were obtained using microwave-assisted hydrothermal synthesis. Compared to conventional heating, the use of microwave irradiation allowed to shorten crystallization time from days to several hours, caused lower level of silicon incorporation, which led to slightly lower acidity, and modified crystal size and morphology. SAPO-34 catalyst synthesized in microwave oven exhibited longer lifetime in the methanol-to-olefins reaction due to their thin plate-like crystal morphology, which facilitates accessibility of the reactant to the acid sites.
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