Citation: LI Chuan, QIN Yong, YANG Teng-fei, MENG Huan-shuang, YANG Bin, DENG Wen-an. Analysis of solid residues from the co-processing of different rank coals and oils[J]. Journal of Fuel Chemistry and Technology, ;2017, 45(4): 436-441. shu

Analysis of solid residues from the co-processing of different rank coals and oils

State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao 266580, China

Corresponding author: YANG Teng-fei, yangmo575@163.com
Received Date: 6 January 2017
Revised Date: 23 February 2017

Fund Project: Key Research and Developement Plan of Shandong Province 2015GGX107014the National Natural Science Youth Foundation of China 21106186

Figures(3)

Anhui lignite, Liaoning lignite and Guizhou bitumite were co-processed with Murray residue (MRAR), Karamay residue (KAR) and FCC slurry (FCCS) in an autoclave with molybdenum naphthenate as catalyst, simulating the slurry-phase hydrogenation co-processing. The results show that for two lignites under different oil systems, the conversion of coal exceeds 83%. However, for Guizhou bitumite, a great difference is observed in the coal conversion between FCCS (67.75%) and KAR (50.31%) for co-processing. The solid residues after co-processing were analyzed by FT-IR and SEM, to determine the relative content of aliphatic and aromatic groups and the micro morphology. It is found that the solid residue derived from the KAR system possesses a low content of CH₂/CH₃ and a low substitution degree. Moreover, the solid residues obtained from two lignites with high coal conversion exhibit a looser structure and a higher dispersion of solid particles than that from bitumite with a low coal conversion.
- coal oil co-processing,
- relative contents of groups,
- solid residue,
- dry ash-free conversion
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