Thermal decomposition analysis of coal-waste sludge and coal-sunflower seed husk blends
WANG Shu-yan1, LI Xiao-qi1, LIU Wen-tie2, SONG Cheng-yi3, WANG Chun-sheng1, DONG Qun4
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
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.
Key words: pyrolysis coal-waste sludge blends thermogravimetric analysis model function kinetic parameters
DOI：10.11916/j.issn.1005-9113.2010.05.008
Clc Number:X703
Fund:
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Thermal decomposition analysis of coal-waste sludge and coal-sunflower seed husk blends
本站小编 哈尔滨工业大学/2019-10-23
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