Citation: LIU Min, CHEN Gui-feng, WANG Yong-gang, ZHAO Peng, QU Si-jian. Conversion of sulphur and nitrogen compounds in hydrofining process of Baishihu coal liquefaction oil[J]. Journal of Fuel Chemistry and Technology, ;2019, 47(7): 870-875. shu

Conversion of sulphur and nitrogen compounds in hydrofining process of Baishihu coal liquefaction oil

LIU Min ^1,2,3,, ,
CHEN Gui-feng ^2,3 ,
WANG Yong-gang ¹ ,
ZHAO Peng ^2,3 ,
QU Si-jian ^2,3

1.
China University of Mining and Technology, Beijing 100083, China
2.
China Coal Research Institute, Beijing 100013, China
3.
State Key Laboratory of Coal Mining and Clean Utilization, Beijing 100013, China

Corresponding author: LIU Min, 78562115@qq.com
Received Date: 4 March 2019
Revised Date: 9 April 2019

Fund Project: Science and Technology Innovation Fund of China Coal Research Institute 2017JC01The project was supported by the Beijing Natural Science Foundation (2182090) and Science and Technology Innovation Fund of China Coal Research Institute(2017JC01)the Beijing Natural Science Foundation 2182090

Figures(6)

A real boiling point distillation apparatus was used to cut the fractions of Baishihu coal liquefied oil. The fraction below 170 ℃ was taken as the catalytic reforming feedstocks of hydrorefining. Meanwhile, the sulfur and nitrogen compounds in liquefied crude oil and refined oil were analyzed and characterized by GC-SCD and GC-NCD to study the transformation rule of sulfur and nitrogen compounds in hydrofining process. The results show that the sulfur compounds in liquefied crude oil are mainly thiophene compounds and mercaptan, which disappear after hydrorefining, and the removal rate of benzothiophenols is lower than that of thiophene compounds. Nitrogen-containing compounds in liquefied crude oil are mainly aniline compounds and indole compounds. After hydrorefining, all indole compounds are basically removed. Aniline and quinoline compounds belong to basic nitrogen-containing compounds, and are the main nitrogen-containing compounds remained in refined oil with a content of 1.61 mg/kg.
- liquefaction oil,
- aromatic hydrocarbon,
- sulfide,
- nitrides,
- hydrorefining
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