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KMID : 1171820030180030048
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Journal of Environmental and Sanitary Engineering
2003 Volume.18 No. 3 p.48 ~ p.58
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Combustion Characteristic of Paper Sludge Using TGA Reactor
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Yook Chan-Nam
Kim Jung-Soo
Han Kwang-Soo
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Abstract
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To obtain the preliminary design data for combustion of paper sludges, decomposition characteristics and combustion kinetics of paper sludges reactor have been determined in a TGA reactor. Also, the combustion characteristics of paper sludges have been determined in a fluidized bed reactor. The data obtained from the TGA reactor indicate that de watering of paper sludge is terminated at temperature below 130℃. With heating rate of 20°C/min, combustion is terminated at temperature below 340℃. The combustion rate is found to be first order with respect to temperature and oxygen concentration. Activation energies for paper wastes are found to be 570, 700, 2600, 4600 Kcal/mole, respectively. The calcination conversions were investigated with the operating temperature and residence time. In this investigation. it was found that calcination conversion was affected by the operating temperature and residence time. The optimum conditions of operating temperature and mean residence time were 850℃ and 6 minutes of respectively.
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KEYWORD
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