Citation: ZOU De-hai, YANG Xue, SHUI Heng-fu, WANG Xiao-ling, PAN Chun-xiu, WANG Zhi-cai, LEI Zhi-ping, REN Shi-biao, KANG Shi-gang, LI Zhan-ku, YAN Jing-chong, XU Charles Chunbao. Liquefaction of thermal extracts from co-thermal dissolution of a sub-bituminous coal with lignin and reusability of Ni-Mo-S/Al₂O₃ catalyst[J]. Journal of Fuel Chemistry and Technology, ;2019, 47(1): 23-30. shu

Liquefaction of thermal extracts from co-thermal dissolution of a sub-bituminous coal with lignin and reusability of Ni-Mo-S/Al₂O₃ catalyst

1.
School of Chemistry & Chemical Engineering, Anhui Province Key Laboratory of Coal Clean Conversion and High Valued Utilization, Anhui University of Technology, Ma'anshan 243002, China
2.
Department of Chemical and Biochemical Engineering, Western University, London, Ontario N6A 5B9, Canada

Corresponding author: SHUI Heng-fu, shhf@ahut.edu.cn
Received Date: 25 September 2018
Revised Date: 29 November 2018

Fund Project: the Natural Scientific Foundation of China 21776001the Natural Scientific Foundation of China 21476003the Natural Scientific Foundation of China 21476004The project was supported by the National Key Research and Development Program of China (2018YFB0604600), the Natural Scientific Foundation of China (21476003, 21776001, 21476002, 21476004, 20108002), the Anhui Natural Science Foundation (1608085MB40) and the financial support from the Provincial Innovative Group for Processing & Clean Utilization of Coal Resourcethe National Key Research and Development Program of China 2018YFB0604600the Natural Scientific Foundation of China 21476002the Natural Scientific Foundation of China 20108002the Anhui Natural Science Foundation 1608085MB40

Figures(5)

Four thermal dissolution soluble fractions (TDSFs) with different thermal dissolution soluble yields (TDSYs) obtained from thermal and co-thermal dissolutions (CTDs) of a Chinese sub-bituminous Shenfu (SF) coal and lignin were characterized by elemental analysis, FT-IR and synchronous fluorescence spectrum measurements. The hydro-liquefaction properties of the four TDSFs and SF raw coal with and without catalyst were compared and the recycled use property of the catalyst in hydro-liquefaction of the TDSF from CTD of SF coal and lignin was further probed. The results suggests that the TDSF from the thermal dissolution (TD) of SF coal contained much more amount of aromatic components and polyaromatic hydrocarbons (PAHs) with 4 and more rings than those from the CTD of SF coal and lignin at the same temperature. TDSFs gave much higher liquefaction conversions and oil yields than SF raw coal in hydro-liquefaction with or without catalyst. Almost all TDSF was converted with much high yield of oil and the TDSF from CTD of SF coal and lignin gave higher yield of oil than that from the TD of SF coal in hydro-liquefaction with Ni-Mo-S/Al₂O₃ catalyst which demonstrated a good reusability in the hydro-liquefaction of TDSF from the CTD of SF coal and lignin. Carbon deposition was hardly observed in the 4 times recycle used catalyst.
- coal,
- lignin,
- co-thermal dissolution,
- liquefaction,
- catalyst reusability
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Liquefaction of thermal extracts from co-thermal dissolution of a sub-bituminous coal with lignin and reusability of Ni-Mo-S/Al2O3 catalyst

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通讯作者: 陈斌, bchen63@163.com

Liquefaction of thermal extracts from co-thermal dissolution of a sub-bituminous coal with lignin and reusability of Ni-Mo-S/Al₂O₃ catalyst