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Citation: ZHOU Yan, SHUI Heng-fu, LEI Zhi-ping, REN Shi-biao, WANG Zhi-cai, PAN Chun-xiu. A kinetic study on the liquefaction of Shenfu coal catalyzed by Ni-Mo-S/Al2O3[J]. Journal of Fuel Chemistry and Technology, ;2014, 42(7): 785-791. shu

A kinetic study on the liquefaction of Shenfu coal catalyzed by Ni-Mo-S/Al2O3

  • 1.

    School of Chemistry & Chemical Engineering, Anhui Key Laboratory of Coal Clean Conversion & Utilization, Anhui University of Technology, Ma'anshan 243002, China

  • Corresponding author: SHUI Heng-fu, 
  • Received Date: 4 April 2014
    Available Online: 23 May 2014

    Fund Project: 国家重点基础研究发展规划(973计划,2011CB201302) (973计划,2011CB201302)国家自然科学基金(U1261208,21176001,51174254,21306001) (U1261208,21176001,51174254,21306001)科技部中日国际合作项目(2013DFG60060)。 (2013DFG60060)

  • A kinetic model for Shenfu (SF) coal liquefaction catalyzed by Ni-Mo-S/Al2O3 was built by using lumped kinetic method, where the liquefaction products were fractioned by solvents. The model has considered the mutual transformations among coal, preasphaltene (PA), asphaltene (AS) and oil in the process, in which a series of consecutive, parallel, regressive and coking reactions were integrated. The results showed that the process of SF coal liquefaction catalyzed by Ni-Mo-S/Al2O3 can be well simulated by the model; based on this kinetic model, the activation energy of SF coal liquefaction is 125~244 kJ/mol. There exist obviously regressive reactions of oil and gas to AS and AS to PA at high liquefaction temperature. Moreover, the coking reactions of AS and PA to coke may take place when the liquefaction temperature exceeds 420℃.
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