Influence of biomass on coal combustion based on thermogravimetry and Fourier transform infrared spectroscopy

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• 作者：Zhao Liu ; Wenhan Li ; Yongsheng Zhang…
• 关键词：Biomass ; Coal ; Co ; combustion ; Optimum combustion ratio ; TG–FTIR
• 刊名：Journal of Thermal Analysis and Calorimetry
• 出版年：2015
• 出版时间：December 2015
• 年：2015
• 卷：122
• 期：3
• 页码：1289-1298
• 全文大小：606 KB
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• 作者单位：Zhao Liu (1)
  Wenhan Li (1)
  Yongsheng Zhang (1)
  Jiawei Wang (1)
  William Orndorff (2)
  Wei-Ping Pan (1) (2)
  
  1. Key Laboratory of Condition Monitoring and Control for Power Plant Equipment, Ministry of Education, North China Electric Power University, Beijing, 102206, People’s Republic of China
  2. Institute of Combustion Science and Environmental Technology, Western Kentucky University, Bowling Green, KY, 42101, USA
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Sciences
  Polymer Sciences
  Physical Chemistry
  Inorganic Chemistry
  Measurement Science and Instrumentation
  
• 出版者：Akad茅miai Kiad贸, co-published with Springer Science+Business Media B.V., Formerly Kluwer Academic
• ISSN：1572-8943

文摘

The blending of coal with biomass can lead to synergistic combustion behaviors. The combustion profile of two biomass sources, two coals and subsequent blends was studied using thermogravimetric analysis (TG). Ignition and burnout performances were identified and calculated from thermal curves. The comprehensive combustion performance index S was calculated from the thermogravimetric curves. CO₂ and CO concentrations were also studied via on-line analysis of TG–Fourier transform infrared spectroscopy. The results indicated that complicated chemical processes took place when coal was combusted with biomass, as compared with coal or biomass only. The lower ignition temperatures and higher volatility of biomass significantly improve the combustion behavior of coal. However, when biomass content in the blends exceeded 10 %, ignition and burnout performances were minimally affected. The combustion index S appears to give a more comprehensive description of the combustion process. The results from CO/CO₂ ratio also support the combustion behavior for the blending of coal and biomass. For this study, the addition of 10 % of biomass would be the optimum recommended combustion ratios for coal and biomass blends. Keywords Biomass Coal Co-combustion Optimum combustion ratio TG–FTIR