A general approach to the synthesis of metal phosphide catalysts

被引：10
|
作者：
Zhang, Shuna [1 ]
Zhang, Shujuan [2 ]
Song, Limin [3 ,4 ]
Wei, Qingwu [3 ,4 ]
机构：
[1] Zhejiang Ind Polytech Coll, Coll Text Engn, Shaoxing 312000, Peoples R China
[2] Tianjin Univ Sci & Technol, Coll Sci, Tianjin 300457, Peoples R China
[3] Tianjin Polytech Univ, Coll Environm & Chem Engn, Tianjin 300387, Peoples R China
[4] Tianjin Polytech Univ, State Key Lab Hollow Fiber Membrane Mat & Membran, Tianjin 300387, Peoples R China
来源：
POWDER TECHNOLOGY | 2014年 / 253卷
基金：
中国国家自然科学基金;
关键词：
Nickel pyrophosphate; Hollow Ni2P nanoparticles; Hydrodesulfurization; MO-FREE CATALYSTS; NICKEL PHOSPHIDE; HYDROTREATING CATALYSTS; PHOSPHORUS PROMOTION; NI2P CATALYST; HYDRODESULFURIZATION;
D O I：
10.1016/j.powtec.2013.12.002
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A simple and efficient approach to the preparation of hollow or porous metal phosphide nanoparticles was presented. Bulk and supported Ni2P, CoP, FeP, and Cu3P were successfully synthesized by reducing metal pyrophosphate precursors in flowing hydrogen. The structural properties of these samples are investigated using X-ray powder diffraction, transmission electron microscopy, inductively coupled plasma and X-ray photoemission spectroscopy. The Ni2P/SiO2 catalysts were used for the gas phase catalytic hydrodesulfurization of dibenzothiophene. The hydrodesulfurization activity of the catalyst reached 99% when the reaction temperature was 340 degrees C. In the paper, a possible reaction mechanism was discussed to form Ni2P, CoP, FeP, and Cu3P. The route and mechanism could also be applied to the preparation of other metal phosphides. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：509 / 513
页数：5
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