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A Study on Transport Characteristics of Fe in Soil  

Cho, Ki-Chul (Department of Environmental Engineering, Pusan National University)
Lee, Kyeong-Ho (SUDOKWON Landfill Site Management Corp.)
Choung, Young-Heon (Department of Environmental Engineering, Pusan National University)
Cho, Sang-Won (Department of Environmental Chemistry, Daegu Polytechnic College)
Oh, Kwang-Joong (Department of Environmental Engineering, Pusan National University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.27, no.10, 2005 , pp. 1043-1051 More about this Journal
Abstract
In this stduy, adsorption and transport characteristics of Fe in the soil were investigated using convection-dispersion local equilibrium sorption model and two-site non-equilibrium sorption model. In batch experiments with different Fe concentration, characteristics of Fe adsorption was investigated using Freundlich and linear isotherm. Column experiments with different flow rate, organic matter content md Fe concentration were also carried out. We measured Fe concentrations in injection-liquid and in effluent, and then applied them to CXTFIT program. As a result of column experiments, some parameters(D, R, ${\beta}$, ${\omega}$) used in two-site non-equilibrium adsorption model were obtained. Characteristics of Fe transport were analyzed using the parameters(D, R, ${\beta}$, ${\omega}$) obtained from the CXTFIT program, Consequently, characteristics of Fe transport in the soil were predicted through two-site non-equilibrium adsorption model.
Keywords
Soil; Transport; Iron; Nonequilibrium Model;
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