A proposed model for predicting trace metal composition of fly-ash leachates |
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| Authors: | Francis H Chapelle |
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| Institution: | (1) The George Washington University, Washington, D.C.;(2) Present address: U.S. Geological Survey, Towson, Maryland |
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| Abstract: | A mathematical model is proposed that is designed to predict trace metal composition of leachates produced by coal fly ashes.
This model is based on the assumption that the mobilization of trace metals from fly ash is primarily a surface desorption
phenomenon. The validity of this model is tested using data from published sources. Good correlation is found between predicted
trace metal concentrations and measured trace metal concentrations in experimentally produced leachates. |
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