首页|Facile synthesis of bifunctional Sn-B-self-pillared MFI zeolite nanosheets as highly selective catalyst for sucrose conversion to fructose
Facile synthesis of bifunctional Sn-B-self-pillared MFI zeolite nanosheets as highly selective catalyst for sucrose conversion to fructose
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Herein,a bifunctional self-pillared MFI nanosheets zeolite(Sn-B-SPP)is designed to achieve the highly selective conversion of sucrose to fructose,which is significant for utilization of the nature abundant sucrose.This Sn-and B-containing SPP zeolite was prepared through a facile solid-state ion exchange approach based on a B-SPP,which overcomes the difficulty of direct nucleation.Sn-B-SPP possesses the structural advantages of ultra-thin intergrown nanosheets materials such as high external surface area,extremely short diffusion length and highly exposed active sites,which are conducive for the conversion of bulky substrates.Meanwhile,the concerted Lewis acidity and weak Br0nsted acidity are essential for the sucrose conversion in alcohol,achieving a 77.0% fructose yield in 4 h after hydrolysis,far surpassing the performance of its microporous analogue and conventional hierarchical Sn-B-MFI.
Nanosheet zeolitesBifunctionalHeterogeneous catalysisSucrose conversionSolid-state ion exchange
Huifang Wua、Wei Huang、Jiaxing Zhang
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Zhang Dayu School of Chemistry,Dalian University of Technology,Dalian,116024,PR China
State Key Laboratory of Fine Chemicab,PSU-DUT Joint Center for Energy Research,School of Chemical Engineering,Dalian University of Technology,Dalian,116024,PR China
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