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Volume 3 Issue 1
Feb.  2012
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LI Xiao-ying, WANG Jing-song, CHEN Rui-long, LI Cong, XUE Qing-guo. On the characteristics of co-gasification of coals and biomass char[J]. Nonferrous Metals Science and Engineering, 2012, 3(1): 37-42. DOI: 10.13264/j.cnki.ysjskx.2012.01.007
Citation: LI Xiao-ying, WANG Jing-song, CHEN Rui-long, LI Cong, XUE Qing-guo. On the characteristics of co-gasification of coals and biomass char[J]. Nonferrous Metals Science and Engineering, 2012, 3(1): 37-42. DOI: 10.13264/j.cnki.ysjskx.2012.01.007
shu

On the characteristics of co-gasification of coals and biomass char

  • 1.

    State Key Laboratory of Advanced Metallurgy, University of Science and Technology of Beijing ，Beijing 100083, China

  • 1.

    Department of Metallurgy, Jiangsu University, Zhenjiang 212013, China

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  • Received Date: November 16, 2011
  • Published Date: February 28, 2012
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    • Abstract
  • This paper studies the co -gasification reaction of biomass char and coals by non -isothermal thermo gravimetric analysis. The change of the characteristic temperature of co-gasification reaction was investigated, while Doyle and Coats-Redfern approximate functions could be used to simulate kinetics parameters of the reaction. The data calculated by using Doyle method hold a higher value of R2 than the Coats -Redfern method. The Doyle method is more reasonable. In Doyle method, the apparent activation energy of the biomass char used is about 134.97 kJ/mol,while the bituminite is 197.85 kJ/mol and the anthracite is 171.36 kJ/mol. As the weight rate of biomass char added in coals become larger, the apparent activation energy become smaller. It was concluded that biomass char can make a promote role in coals' gasification process through lowing the final reaction temperature and the apparent activation energy.
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    • References (13)
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