期刊
ULTRASONICS SONOCHEMISTRY
卷 18, 期 1, 页码 19-22出版社
ELSEVIER
DOI: 10.1016/j.ultsonch.2010.04.005
关键词
Ultrasound; Impregnation; Propane dehydrogenation; PtSnNa/ZSM-5
资金
- Production and Research Prospective Joint Research Project [BY2009153]
- Science and Technology Support Program of Jiangsu Province of China [BE2008129]
- National Nature Science Foundation of China [50873026]
Effects of ultrasonic irradiation on the catalytic performance of PtSnNa/ZSM-5 catalyst for propane dehydrogenation were studied. XRD, TEM and TPDA were used to characterize the catalysts. From the results of XRD, the structure of ZSM-5 was not destroyed by the ultrasound. Ultrasound promoted the dispersion of Pt on the surface of the carrier during impregnation and decreased the size of Pt particles. Compared with the catalyst prepared by conventional impregnation, the supported catalyst prepared by ultrasonic irradiation showed better catalytic activity in propane dehydrogenation. (C) 2010 Elsevier B.V. All rights reserved.
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