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Vol. 28 No. 3 (2016): Vol 28 Issue 3

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Preparation and Desulfurization of Unsupported Nano-MoS2 Catalyst

https://doi.org/10.14233/ajchem.2016.19468
Yuqin Zhu
School of Chemistry & Chemical Engineering, Xian Shiyou University, Xi’an, P.R. China
Hairui Zhang
School of Chemistry & Chemical Engineering, Xian Shiyou University, Xi’an, P.R. China

Corresponding Author(s) : Yuqin Zhu

zhuyq@xsyu.edu.cn

Asian Journal of Chemistry, Vol. 28 No. 3 (2016): Vol 28 Issue 3

Abstract

Nano-sized unsupported MoS2 catalysts for hydro-desulphurization of diesel oil were synthesized by a hydrothermal reduction and characterized. The influence of synthetic temperature on the growth morphology, specific surface areas, mean particle sizes of MoS2 catalysts and desulfurization performance were investigated. The MoS2 fibers showed lots of defects and they were easily bended, which increased the number of active sites on the catalyst. Under the reactive conditions of 360 °C, 6.0 MPa, 600 ratio of hydrogen to oil (volume ratio) and 2 h-1 of volumetric space velocity in a fixed bed reactor, the desulfurization rate to the straight run diesel was about 98.23 %, that is, the total amount of sulfur by 565 μg/g fell to 10 μg/g, which met the requirements for the hydrodesulphurization of diesel oil.

Keywords

Unsupported nano-MoS2 catalyst Hydrodesulphurization Hydrothermal reduction
Zhu, Y., & Zhang, H. (2015). Preparation and Desulfurization of Unsupported Nano-MoS2 Catalyst. Asian Journal of Chemistry, 28(3), 691–694. https://doi.org/10.14233/ajchem.2016.19468
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