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Thermal decomposition analysis of coal-waste sludge and coal-sunflower seed husk blends

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【作者】 王淑彦； 李晓琦； 刘文铁； 宋承毅； 王春生； 董群；

【Author】 WANG Shu-yan 1,LI Xiao-qi1,LIU Wen-tie 2,SONG Cheng-yi 3,WANG Chun-sheng 1,DONG Qun 4(1.School of Petroleum Engineering,Northeast Petroleum University,Daqing 163318,China;2.School of Energy Science and Engineering,Harbin Institute of Technology,Harbin 150001,China;3.Daqing Oil Field Design Institute,Daqing 163459,China;4.School of Chemistry and Chemical Engineering,Northeast Petroleum University,Daqing 163318,China)

【机构】 School of Petroleum Engineering,Northeast Petroleum University； School of Energy Science and Engineering,Harbin Institute of Technology； Daqing Oil Field Design Institute； School of Chemistry and Chemical Engineering,Northeast Petroleum University；

【摘要】 The thermal decomposition analysis of coal-pharmaceutical waste sludge,coal-sewage waste sludge blends and coal-sunflower seed husk blends are studied by TG dynamic runs at the heating rate of 20 ℃/min within the temperature range of 25 ℃-900 ℃.The effect of different kinetic models on the determination of kinetic parameters of thermal decomposition has been investigated.Results show that for coal-pharmaceutical sludge blend,coal-sewage sludge blend and coal-sunflower seed husk blend the optimal model functions are the three-dimensional diffusion reaction,2-dimensional and 3-diemensional nucleation and growth reactions,respectively.The Arrhenius kinetic parameters of the pre-exponential factor and activation energy of blends,as well waste sludge and sunflower seed husk only are proposed.

【Abstract】 The thermal decomposition analysis of coal-pharmaceutical waste sludge,coal-sewage waste sludge blends and coal-sunflower seed husk blends are studied by TG dynamic runs at the heating rate of 20 ℃/min within the temperature range of 25 ℃-900 ℃.The effect of different kinetic models on the determination of kinetic parameters of thermal decomposition has been investigated.Results show that for coal-pharmaceutical sludge blend,coal-sewage sludge blend and coal-sunflower seed husk blend the optimal model functions are the three-dimensional diffusion reaction,2-dimensional and 3-diemensional nucleation and growth reactions,respectively.The Arrhenius kinetic parameters of the pre-exponential factor and activation energy of blends,as well waste sludge and sunflower seed husk only are proposed.

【关键词】 pyrolysis； coal-waste sludge blends； thermogravimetric analysis； model function； kinetic parameters；
【Key words】 pyrolysis； coal-waste sludge blends； thermogravimetric analysis； model function； kinetic parameters；
【基金】 Sponsored by the National Natural Science Foundation of China(Grant No.21076043);China Postdoctoral Science Foundation(Grant No.20090460070);Heilongjiang Province Postdoctoral Science Foundation(Grant No.LBH-Z09292);Educational Committee of Heilongjiang Privince Science Foundation(Grant No.11551006)
  • 【文献出处】 Journal of Harbin Institute of Technology ,哈尔滨工业大学学报(英文版) , 编辑部邮箱 ,2010年05期
  • 【分类号】X703
  • 【下载频次】81
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