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Environmental Engineering Research 2000;5(1): 35-40.
SYNTHESIS OF VARIOUS TYPE ZEOLITES FROM COAL FLY ASH
Sang-Sung Nam1, Myung-Woo Lee1, Seong-Bo Kim1, Kyu-Wan Lee1, and Moon-Kyu Ko2
1Chemical Technology Division I, Korea Research Institute of Chemical Technology, P.O. Box 107, Yusong Taejon 305-600, Korea
2Department of Chemical Engineering, Konyang University, Nonsan 320-800, Korea
Corresponding Author: Sang-Sung Nam ,
Received: January 6, 2000;  Accepted: March 3, 2000.
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ABSTRACT
Coal fly ash generated from power plants is continuously increasing each year in Korea. Only small portion of the fly ash is utilized, and the rest of them is disposed as landfills which causes a serious environmental problem due to toxic trace elements. In this study, the conversion of coal fly ash to various type of zeolite (cancrinite, X, P) was investigated as an other application area of coal fly ash utilizations. The conversion conditions from coal fly ash to the various types of zeolites depend on the many parameters, such as chemical composition of coal fly ash and curing time. Therefore, in this study the proper conditions necessary to form various types of zeolites from coal fly ash were investigated.
Keywords: coal fly ash | cancrinite | zeolite-X | zeolite-P
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