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Vol.40, No.6, 706 ~ 711, 2002
Title
Research Papers / Pyrometallurgy : Improvement in Hydration Resistance of Lime by Recarbonization
이시형Si Hyung Lee,이만승Man Seung Lee
Abstract
Recarbonization experiments of lime produced from rotary kiln had been performed to improve the hydration resistance of lime in the air. From recarbonization and hydration experiments, it was found that the amount of hydrated lime was greatly reduced by coating the surface of lime with CaCO_3 of about 6 wt%. The effect of reaction temperature and partial pressure of carbon dioxide on the recarbonization rate of lime was investigated by a thermogravimetric analysis method. Rate equation for the recarbonization of lime was derived from the thermogravimetric data at various temperatures.
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