Study of the behavior of metal adsorption in acid solutions on lignin using a comparison of different adsorption isotherms

被引：0
|
作者：
Perez, N. [1 ]
Sanchez, M. [1 ]
Rincon, G. [1 ]
Delgado, L. [1 ]
机构：
[1] Univ Simon Bolivar, Dpto Proc & Sistemas, Caracas 1080, Venezuela
来源：
LATIN AMERICAN APPLIED RESEARCH | 2007年 / 37卷 / 02期
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D O I：
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中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The adsorption process of Nickel and Vanadium dissolved in acid liquor on lignin is studied in this work. Different adsorption isotherm models are used to adjust liquid-solid systems: Langmuir, Freundlich and Redlich-Peterson. It was obtained that the metal adsorption using lignin proceeds by similar chemical mechanisms. Possibly the Nickel is adsorbed in heterogeneous monolayers, contrary to Vanadium which is adsorbed in homogeneous ones. Results of the parameters obtained for every adsorption model and adsorption system are reported too.
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页码：157 / 162
页数：6
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