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Abstract:
As an important catalytic material, Beta zeolite is widely used in petrochemical, coal chemical and environmental protection fields, but its conventional hydrothermal synthesis process has problems such as high cost, low yield per kettle and large waste water discharge. This article presents a green and economic strategy to synthesize Beta zeolite from natural mineral via a mesoscale depolymerization-reorganization approach. The proposed methodology results in a Beta zeolite (denoted as Beta-Anhyd) owning abundant meso- and macro-pores, larger specific surface area and lower acid amount than a commercial sample (Beta-Ref). The Beta-Anhyd derived catalyst (Beta-Anhyd-Deal) that was prepared by a two-step post-synthesis method consisting of the dealumination of Beta-Anhyd and the incorporation of tin shows much better catalytic performance in the propane dehydrogenation reaction than the reference one (Beta-Ref-Deal). © 2022 Chemical Industry Press. All rights reserved.
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CIESC Journal
ISSN: 0438-1157
CN: 11-1946/TQ
Year: 2022
Issue: 6
Volume: 73
Page: 2690-2697
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 2
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