A phase-transfer crystallization pathway to synthesize ultrasmall silicoaluminophosphate for enhanced catalytic conversion of dimethylether-to-olefin

Hongxin Ding, Jiajia Ding, Wei Liu, Xiaoling Zhao, Qijin Chi, Kake Zhu*, Xinggui Zhou, Weimin Yang

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

We present a phase-transfer crystallization approach to the synthesis of ultrasmall (<100 nm) SAPO-34 crystallites. This method features porogen-free and tumbling crystallization in biphasic toluene-water media. The nanosized SAPO-34 catalyst has demonstrated prolonged catalysis lifetime (approximately 5 fold) and higher ethylene/propylene selectivity (by ca. 5%) for dimethylether-to-olefin conversion.

Original languageEnglish
JournalCrystEngComm
Volume21
Issue number4
Pages (from-to)577-582
Number of pages6
ISSN1466-8033
DOIs
Publication statusPublished - 2019

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