Citation: ZHOU Xu-hui, WU Shi-yong, YOU Quan, HUANG Sheng, WU You-qing, GAO Jin-sheng, ZHENG Huan-an, MIN Xiao-jian, SHANG Jian-xuan. Effects of carbonization temperature on the products from integrated mild-liquefaction and carbonization process of Hongliulin coal[J]. Journal of Fuel Chemistry and Technology, ;2017, 45(11): 1289-1295. shu

Effects of carbonization temperature on the products from integrated mild-liquefaction and carbonization process of Hongliulin coal

1.
Department of Energy Chemical Engineering, East China University of Science & Technology, Shanghai 200237, China
2.
Key Laboratory of Coal Gasification and Energy Chemical Engineering of Ministry of Education, East China University of Science & Technology, Shanghai 200237, China
3.
Shaanxi Coal and Chemical Technology Institute Co., Ltd., Xi'an 710070, China

Corresponding author: WU You-qing, wyq@ecust.edu.cn
Received Date: 24 July 2017
Revised Date: 25 August 2017

Fund Project: The project was supported by the National Natural Science Foundation of China (21476079, 21476080) and the Fundamental Research Funds for the Central Universities (WB1414014)the Fundamental Research Funds for the Central Universities WB1414014the National Natural Science Foundation of China 21476080the National Natural Science Foundation of China 21476079

Figures(6)

The integrated mild-liquefaction and carbonization experiments of Hongliulin coal were conducted at 430-600 ℃, and distributions and physico-chemical properties of the obtained products were investigated. The results show that the yields of semi-cokes, organic liquid products and n-hexane soluble organic products were up to 40.64%-53.02%, 30.89%-36.98% and 29.74%-33.28%, respectively. The increasing carbonization temperature in the relatively low temperature range was favorable for the elevated yield of n-hexane soluble organic products, while at relatively high temperature presenting an opposite one. The semi-cokes obtained at 430 ℃ presented a strong caking property, while those at 550 ℃ showed no caking property, and the content of their volatile matters decreased to about 10%. It is suggested that the produced semi-coke could be directionally utilized as blending coal in coking or smokeless fuel by adjusting carbonization temperature.
- coal,
- mild-liquefaction,
- carbonization,
- semi-coke,
- liquid phase products
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