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Citation: LI Shao-hua, ZHANG Xue-bin, CHE De-yong. TG-FTIR experimental study on co-gasification of pine sawdust and lignite[J]. Journal of Fuel Chemistry and Technology, ;2014, 42(2): 181-186. shu

TG-FTIR experimental study on co-gasification of pine sawdust and lignite

  • 1.

    1. China Datang Corporation, Beijing 100033, China;

  • Corresponding author: LI Shao-hua, 
  • Received Date: 2 August 2013
    Available Online: 30 October 2013

    Fund Project: 吉林省产业技术研究与开发专项资金项目(2009030) (2009030)

  • The TG-FTIR anaylsis technology was applied to analyze the co-gasification process and gasification products of pine sawdust, lignite and their mixtures. The influence of mixing ratio, heating rate and reaction atmosphere on the co-gasification process was also studied. The results show that the pine sawdust can improve the reactivity of samples. As the mixing ratio of pine sawdust is increasing, the mass loss rate of gasification decreases, and the beginning temperature and the peak area of CO formation have a decreasing tendency. It is found that the lower heating rate is advantageous to the formation of CO and CH4. With increasing the heating rate, the DTG curves move to higher temperature ranges, the maximum weight loss rate increases, and the pine sawdust peak disappears. The effect of CO2 atmosphere on the weight loss of devolatilization is not significant. The two peaks of devolatilization are corresponding to the volatile combustion and fixed carbon combustion in air, and the coke gasification is not significant in the atmosphere of air.
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