Melting-assisted solvent-free synthesis of hierarchical SAPO-34 with enhanced methanol to olefins (MTO) performance

SAPO-34 zeolite with a butterfly patterned hierarchical pore system and high relative crystallinity was synthesized by a melting-assisted solvent-free route. Oxalic acid in the solid state was used as the etching agent through a facile thermal treatment of the parent SAPO-34. The resultant zeolite e...

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Bibliographic Details
Published in:Catalysis science & technology 2018, Vol.8 (2), p.423-427
Main Authors: Liu, Ziyu, Ren, Shu, Yu, Xing, Chen, Xinqing, Wang, Gang, Wu, Xian, Yu, Gan, Qiu, Minghuang, Yang, Chengguang, Sun, Yuhan
Format: Article
Language:English
Subjects:
Alkenes
Heat treatment
Methanol
Oxalic acid
Solvents
Zeolites
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Summary:SAPO-34 zeolite with a butterfly patterned hierarchical pore system and high relative crystallinity was synthesized by a melting-assisted solvent-free route. Oxalic acid in the solid state was used as the etching agent through a facile thermal treatment of the parent SAPO-34. The resultant zeolite exhibited complete methanol conversion, high C 2 = –C 4 = selectivity (>91%) and a long lifetime in the MTO process.
ISSN:2044-4753
2044-4761
DOI:10.1039/C7CY02283B