Citation: WANG Qing, ZHANG Hong-xi, CHI Ming-shu, CUI Da, XU Xiang-cheng. Effect of mineral matter on product evolution during pyrolysis of Huadian oil shale[J]. Journal of Fuel Chemistry and Technology, ;2016, 44(3): 328-334. shu

Effect of mineral matter on product evolution during pyrolysis of Huadian oil shale

Engineering Research Center of Oil Shale Comprehensive Utilization, Ministry of Education, Northeast Dianli University, Jilin 132012, China

Corresponding author: WANG Qing, rlx888@126.com
Received Date: 12 August 2015
Revised Date: 16 November 2015

Fund Project: The project was supported by the National Natural Science Foundation of China 51276034

Figures(4)

The effect of mineral matter on pyrolysis and product evolution of oil shale was studied by GC and FT-IR. Hudian oil shale was treated by sequential washing with HCl and HF/HCl. The results show that carbonate has catalytic effect on conversion of organic carbon and hydrogen from Kerogen to shale oil, which is inhibited by silicate. The H/C atomic ratio in shale oil increases in both carbonate-free and silicate-free oil shale. Carbonate enhances gas yield and inhibits oil yield, while silicate is just opposite. The contents of CO₂ and H₂ decrease but CO increases in both carbonate-free and silicate-free oil shale. Carbonate can inhibit generation of hydrocarbon in gas product while silicate has catalytic effect on it. All the carbonate and silicate can increase the length and degree of branching aliphatic side chains in shale oil and improve aromatization of the solid product from shale.
- demineralization,
- oil shale,
- pyrolysis,
- GC,
- FT-IR
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