Preparation and application of high-performance catalyst in microwave assisted catalytic oxidation of benzene

BO Long-li; ZHANG Yu-cai; WANG Xiao-hui; LIU Hai-nan; ZHANG Hao

Volume 40 Issue 07

Jul. 2012

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BO Long-li, ZHANG Yu-cai, WANG Xiao-hui, LIU Hai-nan, ZHANG Hao. Preparation and application of high-performance catalyst in microwave assisted catalytic oxidation of benzene[J]. Journal of Fuel Chemistry and Technology, 2012, 40(07): 878-885.

Citation:

BO Long-li, ZHANG Yu-cai, WANG Xiao-hui, LIU Hai-nan, ZHANG Hao. Preparation and application of high-performance catalyst in microwave assisted catalytic oxidation of benzene[J]. Journal of Fuel Chemistry and Technology, 2012, 40(07): 878-885.

Citation:

BO Long-li, ZHANG Yu-cai, WANG Xiao-hui, LIU Hai-nan, ZHANG Hao. Preparation and application of high-performance catalyst in microwave assisted catalytic oxidation of benzene[J]. Journal of Fuel Chemistry and Technology, 2012, 40(07): 878-885.

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Preparation and application of high-performance catalyst in microwave assisted catalytic oxidation of benzene

School of Environmental and Municipal Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China

Received Date: 2011-10-13
Rev Recd Date: 2011-12-26
Publish Date: 2012-07-31

Abstract

Abstract

High-performance catalyst of molecular sieve supported transition metals and rare earth element was prepared by traditional impregnation method,and the catalytic activity was checked by microwave assisted catalytic oxidation of benzene in our study.It indicated that 5A type molecular sieve obtained from Tianjin kermel was an excellent carrier,and molecular sieve supported copper (Cu),manganese (Mn) and cerium (Ce) catalyst had a complete combustion temperature of 230℃ for benzene.The appearance of Cu_1.5Mn_1.5O₄ with crystalline spinel phase and amorphous phase improved the catalytic activity greatly,and the promoting effect of Ce was also significant.Molecular sieve loaded Cu-Mn-Ce catalyst showed good stability and high catalytic capacity after operating with 30 h.Based on the characteristics of the special surface area and surface morphology,it was found that the special surface area and pore size of the catalyst were enlarged during calcination and reaction,which are beneficial to the adsorption and oxidation of benzene.X-ray diffraction results showed that the crystalline structure of molecular sieve did not change significantly,and CuO and Mn₂O₃ were dispersed mainly onto the surface of the catalyst.
- microwave,
- catalytic oxidation,
- molecular sieve supported metal catalyst,
- benzene

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References(22)

References

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