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https://open.uns.ac.rs/handle/123456789/13641
Title: | Comparison of two and three parameters adsorption isotherm for Cr(VI) onto Kraft lignin | Authors: | Brdar, Mirjana Šćiban, Marina Takači, Aleksandar Došenović, Tatjana |
Issue Date: | 15-Feb-2012 | Publisher: | Amsterdam: Elsevier | Journal: | Chemical Engineering Journal | Abstract: | Equilibrium studies were carried out for the sorption of Cr(VI) onto Kraft lignin as an adsorbent. The experimental data were fitted to the Freundlich, Langmuir, Temkin, Dubinin-Radushkevich, Redlich-Peterson, Sips and Toth isotherms by non-linear method. We presented the comparison of two- and three-parameter isotherm. Only non-linear regression method was used in selecting the optimum isotherm for the experimental data. The coefficient of correlation was used to select the best theoretical isotherm. The best two-parameter isotherm is equally Langmuir and Dubinin-Radushkevich isotherm. From three-parameter isotherms Redlich-Peterson isotherm proved to be the best. Generally, Redlich-Peterson isotherm was found to be the best representative for Cr(VI) adsorption on the sorbent. © 2011 Elsevier B.V. | URI: | https://open.uns.ac.rs/handle/123456789/13641 | ISSN: | 13858947 | DOI: | 10.1016/j.cej.2011.12.036 |
Appears in Collections: | TF Publikacije/Publications |
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