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Issue 16, 2010
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Synthesis and catalytic performances of hierarchical SAPO-34 monolith

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Abstract

A novel hierarchical SAPO-34 monolith was prepared by the dry gel conversion of the amorphous silicoaluminophosphate monolith. The obtained material possesses macropores and mesopores besides micropores. The macroporous framework of the hierarchical SAPO-34 is constructed by interconnected spherical aggregates of cubic SAPO-34 crystals and mesopores is formed by the close stacking of cubic SAPO-34 crystals. Catalytic tests show that the hierarchical SAPO-34 possesses high catalytic activity compared with the conventional microporous SAPO-34 for methanol conversion to light olefins (MTO) reaction. The better activity is mainly assigned to the existence of cubic SAPO-34 crystals and the hierarchical porosity.

Graphical abstract: Synthesis and catalytic performances of hierarchical SAPO-34 monolith

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Article information


Submitted
25 Nov 2009
Accepted
03 Feb 2010
First published
02 Mar 2010

J. Mater. Chem., 2010,20, 3227-3231
Article type
Paper

Synthesis and catalytic performances of hierarchical SAPO-34 monolith

H. Yang, Z. Liu, H. Gao and Z. Xie, J. Mater. Chem., 2010, 20, 3227
DOI: 10.1039/B924736J

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