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Synthesizing Behavior of Calcium Chloroaluminate with using MSWI Fly Ash in the Different Sintering Conditions  

Yoo, Kwang-Suk (Korea Institute of Geoscience and Mineral Resources)
Lee, Seong-Ho (Korea Institute of Geoscience and Mineral Resources)
Hwang, Sun-Ho (Korea Institute of Geoscience and Mineral Resources)
Ahn, Ji-Whan (Korea Institute of Geoscience and Mineral Resources)
Publication Information
Resources Recycling / v.19, no.5, 2010 , pp. 68-74 More about this Journal
Abstract
The aim of this study is to investigate the behaviors of synthesis of Calcium Chloroaluminte($11CaO{\cdot}7Al_2O_3{\cdot}CaCl_2$) under the melting temperature of municipal solid waste incineration fly ash(MSWI fly ash); $900^{\circ}C-1300^{\circ}C$ of sintering temperature. A sludge generated from a water purification plant (SW) was also used to fill up $Al_2O_3$ source, which might be deficient in MSWI fly ash. MF and SW were mixed at mixing ratio of 10 to 7, which is the mole ratio of CaO to $Al_2O_3$ of calcium Chloroaluminte. Mixed samples were sintered in the opened sintering reactor and the closed sintering reactor, respectively. The results showed that calcium chloroaluminte was formed at $1,000^{\circ}C$ in both reactors, but the temperature of decomposition of calcium chloroaluminte depended upon sintering reactor type; an opened sintering reactor and a closed sintering reactor, owing to the vaporization velocity of Cl.
Keywords
Municipal solid waste; Incineration; Fly ash; Sintering; Calcium chloroaluminate;
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Times Cited By KSCI : 1  (Citation Analysis)
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