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KMID : 1024520160250020281
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Journal of the Environmental Sciences
2016 Volume.25 No. 2 p.281 ~ p.288
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Study on the Pyrolysis Kinetics of Mixture of RDF and Carbonized Sludge with Thermogravimetric Analysis
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Sun Jian Feng
Hwang Hyeon-Uk
Kim Myung-Gyun
Antony Mutua Nzioka
Lee Chang-Soo
Kim Young-Ju
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Abstract
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After analyzing of heating value of four kinds of RDF, the RDF-D has the highest heating value, was chosen to be mixed with carbonized sludge by different ratio. The 85%：15% ratio, which has the highest efficiency, was analyzed with thermogravimetric and pyrolysis kinetics. Applying of Kissinger method, activation energy was obtained from slope which is calculated from relation of ln(β/T2m) and 1/Tm. The kinetic parameters obtained from Kissinger method were 46.06 kJ/mol of RDF, 55.99 kJ/mol of carbonized sludge and 40.68 kJ/mol of mixture of RDF and carbonized sludge. The mixture of RDF and carbonized sludge has the lowest activation energy and frequency factor, during thermal decomposition reaction it has the slowest reaction rate and needs the lowest energy. Although activation energy with pyrolysis of RDF was irregularly scattered,it showed that activation energy was stabilized by co-pyrolysis of RDF and additives(Carbonized Sludge).
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KEYWORD
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Kinetics, Activation energy, RDF, Carbonized sludge, TGA, Kissinger method
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