Effect of Ultrasonic Treatment on the Gel Formation of MnSAPO-34 Catalysts in MTO Process

Publish Year: 1390
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:

ICHEC07_342

تاریخ نمایه سازی: 25 فروردین 1394

Abstract:

In order to synthesize the MnSAPO-34 crystal with a pure CHA structure having a uniform size and desired catalytic activity, factors having influence on the crystallization at gel preparation should be considered. In this work Diethylamine and morpholine were used as the organic templates. A perfectly homogeneous gel was obtained by ultrasonic wave treatment before hydrothermal treatment. The results showed that ultrasonic-wave treatment was effective in makingparticle size smaller and in narrowing the size distribution for MnSAPO-34(DEA). In addition, a uniform distribution was obtained with excelent morphology was obtained for MnSAPO-34(Mor) in compared to the one without ultrasonic treatment. Ultrasonic treated MnSAPO-34 catalysts showed similar activity and product distribution with a yield of 84% in the MTO reaction at 400℃.

Authors

Bahman Khabiri

School of Chemical Engineering, Iran University of Science & Technology, Tehran, Iran

Mehdi Alavi

School of Chemical Engineering, Iran University of Science & Technology, Tehran, Iran

Mohammad Haghighi

Reactor & Catalysis Research Center, Sahand New Town, Tabriz, Iran

Mojtaba Charghand

Reactor & Catalysis Research Center, Sahand New Town, Tabriz, Iran

Ghasem Kasaeian

School of Chemical Engineering, Iran University of Science & Technology, Tehran, Iran

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  • M. Kang, J. Mol. Catal., A Chem. 160 (2000) 437. ...
  • S. Hocevar, L. Levec, J. Catal. 135 (1992) 518. ...
  • A.F. Ojo, L.B. McCusker, Zeolites 11 (1991) 410. ...
  • S.T. Wilson, Surf. Sci. Catal. 58 (1991) 137. ...
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