Citation: MENG Xin-xin, QIU Ze-gang, GUO Xing-mei, LI Zhen-rong, HU Nai-fang, SONG Mao-ning, ZHAO Liang-fu. Hydrodenitrogenation and hydrodesulfurization of coal tar on Ni-W catalysts with different metal loadings[J]. Journal of Fuel Chemistry and Technology, ;2016, 44(5): 570-578. shu

Hydrodenitrogenation and hydrodesulfurization of coal tar on Ni-W catalysts with different metal loadings

MENG Xin-xin ^1,2 ,
QIU Ze-gang ³ ,
GUO Xing-mei ^1,*,, ,
LI Zhen-rong ² ,
HU Nai-fang ² ,
SONG Mao-ning ^1,2 ,
ZHAO Liang-fu ^2,*,,

1.
College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
2.
Laboratory of Applied Catalysis and Green Chemical Engineering Institute of Coal Chemistry Chinese Academy of Sciences, Taiyuan 030001, China
3.
College of Chemistry and Chemical Engineering, Xi'an University of Petroleum, Xi'an 710065, China

Corresponding author: GUO Xing-mei, linyrain@163.com ZHAO Liang-fu, lfzhao@sxicc.ac.cn
Received Date: 23 October 2015
Revised Date: 2 February 2016

Fund Project: the Strategic Science and Technology Project of Chinese Academy of Science XDA07020200the Development of Gasification Coal Tar Hydrogenation in Furnace of Lu Qi CFBYKJ-JSFW-01-2014

Figures(7)

The γ-Al₂O₃ supported Ni-W catalysts with different metal contents for the hydroprocessing of low and middle-temperature coal tar were prepared and characterized by the X-ray diffractogram (XRD), X-ray photoelectron spectroscopy (XPS), temperature programmed desorption of NH₃ (NH₃-TPD), N₂ adsorption and high resolution transmission electron microscopy (HRTEM). The hydrodenitrogenation (HDN) and hydrodesulfurization (HDS) performances of the catalysts were evaluated by using low and middle temperature coal tar. The results show that the sulfidation degree of the catalysts increases with increasing metal content within a certain range, while the amount of total acid that mainly consists of intermediate acid decreases. The HDN activity of the catalysts with Ni/W atomic ratio of 0.786 increases initially and reaches an optimum value at 24% WO₃, and then decreases, while the HDS activity increases gradually.
- coal tar,
- hydrodenitrogenation and hydrodesulfurization,
- Ni-W,
- catalyst
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