Pyrolysis and combustion kinetics of lycopodium particles in thermogravimetric analysis

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• 作者：Seyed Alireza Mostafavi ; Sadjad Salavati…
• 关键词：lycopodium dust particles ; thermogravimetric analysis ; pyrolysis ; combustion ; ignition temperature ; chemical kinetics
• 刊名：Journal of Central South University
• 出版年：2015
• 出版时间：September 2015
• 年：2015
• 卷：22
• 期：9
• 页码：3409-3417
• 全文大小：2,428 KB
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• 作者单位：Seyed Alireza Mostafavi (1)
  Sadjad Salavati (2)
  Hossein Beidaghy Dizaji (2)
  Bidabadi Mehdi (2)
  
  1. Department of Mechanical Engineering, Faculty of Engineering, Arak University, Arak, 38156-88349, Iran
  2. School of Mechanical Engineering Department of Energy Conversion, Combustion Research Laboratory, Iran University of Science and Technology, Narmak, Tehran, 16887, Iran
  
• 刊物类别：Engineering
• 刊物主题：Engineering, general
  Metallic Materials
  Chinese Library of Science
  
• 出版者：Central South University, co-published with Springer
• ISSN：2227-5223

文摘

Biomass is a kind of renewable energy which is used increasingly in different types of combustion systems or in the production of fuels like bio-oil. Lycopodium is a cellulosic particle, with good combustion properties, of which microscopic images show that these particles have spherical shapes with identical diameters of 31 μm. The measured density of these particles is 1.0779 g/cm2. Lycopodium particles contain 64.06% carbon, 25.56% oxygen, 8.55% hydrogen and 1.83% nitrogen, and no sulfur. Thermogravimetric analysis in the nitrogen environment indicates that the maximum of particle mass reduction occurs in the temperature range of 250-50 °C where the maximum mass reduction in the DTG diagrams also occurs in. In the oxygen environment, an additional peak can also be observed in the temperature range of 500-00 °C, which points to solid phase combustion and ignition temperature of lycopodium particles. The kinetics of reactions is determined by curve fitting and minimization of error. Keywords lycopodium dust particles thermogravimetric analysis pyrolysis combustion ignition temperature chemical kinetics