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Separation Reaction Characteristics of Boron Ion by Ion Exchange Method  

Jung Boo-Young (School of Chemical Engineering, Chungnam National University)
Kang Suk-Hwan (School of Chemical Engineering, Chungnam National University)
Lee Jae-Chun (Minerals and Materials Processing Division, Korea Institute of Geoscience & Mineral Resources)
Hwang Taek-Sung (School of Chemical Engineering, Chungnam National University)
Publication Information
Polymer(Korea) / v.30, no.1, 2006 , pp. 45-49 More about this Journal
Abstract
In this study, it was investigated on the boron separation ken synthetically prepared seawater. ion exchange resin used in the experiments was Amberlite IRA 743, containing glucamine functional group. The experiments were carried out as a function of the conditions of the pH, boron initial concentration and temperature of seawater in a batch reactor. As a result, optimum conditions for boron adsorption were at pH 8.5 and 313 K, respectively. The adsorption rate was increased very fast with increasing the temperature, but decreased with increasing the initial concentration of boron. Also, the kinetics for boron adsorption applied the pseudo-second order model, as follows: $$\frac{X}{1-X}=780[C_0]^{-1.65}t^{1.48}\;exp\;({-\frac{17883}{RT}}\)\;;\;pH8.5$$
Keywords
boron separation; glucamine; batch reactor; adsorption kinetics;
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