Effect of preparation method and support type on hydrodesulfurization performance of Ni<sub>2</sub>P/TiO<sub>2</sub> catalyst

SONG Hua; XU Xiao-wei; DAI Min; SONG Hua-lin

Volume 42 Issue 11

Nov. 2014

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Article Navigation > Journal of Fuel Chemistry and Technology > 2014 > 42(11): 1400-1408

SONG Hua, XU Xiao-wei, DAI Min, SONG Hua-lin. Effect of preparation method and support type on hydrodesulfurization performance of Ni2P/TiO2 catalyst[J]. Journal of Fuel Chemistry and Technology, 2014, 42(11): 1400-1408.

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SONG Hua, XU Xiao-wei, DAI Min, SONG Hua-lin. Effect of preparation method and support type on hydrodesulfurization performance of Ni₂P/TiO₂ catalyst[J]. Journal of Fuel Chemistry and Technology, 2014, 42(11): 1400-1408.

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Effect of preparation method and support type on hydrodesulfurization performance of Ni₂P/TiO₂ catalyst

1.
College of Chemistry & Chemical Engineering, Provincial Key Laboratory of Oil & Gas Chemical Technology, Northeast Petroleum University, Daqing 163318, China;
2.
China Petroleum Engineering Co. Ltd., Xinjiang Petroleum Prospecting and Design Research Institute (Co., Ltd.), Karamay 834000, China;
3.
Key Laboratory of Cancer Prevention and Treatment of Heilongjiang Province, Mudanjiang Medical University, Mudanjiang 157011, China

Received Date: 2014-05-26
Rev Recd Date: 2014-07-16
Publish Date: 2014-11-30

Abstract

Abstract

Nickel phosphide catalysts, supported on whiskers and anatase TiO₂, were prepared by temperature programmed reduction method and solvothermal method, respectively. The catalysts were characterized by X-ray diffraction (XRD), N₂-adsorption specific surface area measurements (BET), N₂ adsorption-desorption,CO adsorption, X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (TEM). The effects of preparation method and support type on catalyst activity for dibenzothiophene (DBT) hydrodesulfurization (HDS) were studied. The result showed that the structures of the TiO₂ support remained unchanged, and the formation of TiPO₄ was suppressed in solvothermal method process, contributing to higher catalytic activity of Ni₂P/TiO₂ catalysts for HDS than the catalysts obtained by conventional TPR method. Compared with the catalysts supported on anatase TiO₂, the catalysts supported on whiskers TiO₂ displayed excellent surface properties, producing more Ni₂P crystal particles with smaller size and better dispersion, and therefore possessed higher HDS activity. The HDS activity of the catalyst supported on whiskers TiO₂ and made by solvothermal method was found to be the best one among the tested catalysts. The conversion of dibenzothiophene HDS was 98.2% under the selected reaction conditions of 340 ℃, 3.0 MPa, H₂/oil ratio of 500 (volume ratio), and WHSV of 2.0 h^-1.
- nickel phosphide,
- titanium dioxide,
- temperature programmed reduction method,
- solvothermal method,
- hydrodesulfurization

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References

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