Physico-chemical Characterization of Mo-Hβ Zeolite Catalysts

Chemical Research in Chinese Universities ›› 2004, Vol. 20 ›› Issue (5): 637-639.

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Physico-chemical Characterization of Mo-Hβ Zeolite Catalysts

LIU Sheng-lin¹, HUANG Sheng-jun¹, XIN Wen-jie¹, QIN xin-hua², XIE Su-juan¹, XU Long-ya¹

1. Laboratory of Natural Gas Utilization and Applied Catalysis. Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023;
2. Fushun Petrochemical Company, Petrochina Company Limited, Fushun 113008, P. R. China

Received:2003-07-29 Online:2004-10-24 Published:2011-08-06
Supported by:
Supported by the National Natural Science Foundation of China(No.20303019) and the National "973" Project of China(No.2003CB615802).

Abstract

Abstract: A series of Mo-impregnated Hβ samples, with MoO₃ loading in Hβ zeolite in the mass fraction range of 0.5%-6.0%, were studied by means of XRD and IR in order to characterize their structures.Mo/Hβ samples' crystallinity almost linearly decreases with increasing the amount of MoO₃ loaded.The IR spectra and XRD patterns suggest that the progressive destabilization of the Hβ zeolite structure is caused by increasing Mo loading in (MoO₃+Hβ zeolite).During the calcination, Al₂(MoO₄)₃ formed from the dealumination of Hβ zeolite, causes the substantially partial breakdown of the zeolite framework when the Mo loading in MoO₃ +Hβ is relatively high.

Key words: Mo-impregnated H&beta, sample, Structure, IR/XRD characterization

LIU Sheng-lin, HUANG Sheng-jun, XIN Wen-jie, QIN xin-hua, XIE Su-juan, XU Long-ya. Physico-chemical Characterization of Mo-Hβ Zeolite Catalysts[J]. Chemical Research in Chinese Universities, 2004, 20(5): 637-639.

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Physico-chemical Characterization of Mo-Hβ Zeolite Catalysts

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