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Journal of hazardous materials

Prediction of optimum sorption isotherm: comparison of linear and non-linear method.


PMID 16046061

Abstract

Equilibrium parameters for Bismarck brown onto rice husk were estimated by linear least square and a trial and error non-linear method using Freundlich, Langmuir and Redlich-Peterson isotherms. A comparison between linear and non-linear method of estimating the isotherm parameters was reported. The best fitting isotherm was Langmuir isotherm and Redlich-Peterson isotherm equation. The results show that non-linear method could be a better way to obtain the parameters. Redlich-Peterson isotherm is a special case of Langmuir isotherm when the Redlich-Peterson isotherm constant g was unity.

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Bismarck Brown Y, certified by the Biological Stain Commission, Dye content 50 %
C18H18N8 · 2HCl