Langmuir, Freundlich, Temkin and Dubinin–Radushkevich isotherm studies of equilibrium sorption of Methylene Blue from Aqueous Solution onto Mulberry tree (Morus nigra L) roots powder

Mansour Faraj , Mohamed Erhayem

doi:10.51984/jopas.v17i1.76

Mansour Faraj , Mohamed Erhayem ⁽¹⁾

(1) , Libya

https://doi.org/10.51984/jopas.v17i1.76

Issue
Vol. 17 No. 1 (2018): The First International Conference on Science and Technology

Submitted
June 28, 2019

Published
July 30, 2018

Keywords:

Adsorption, Isotherm, Methylene Blue, Mulberry tree roots.

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Abstract

In this study, batch adsorption experiments were conducted for the adsorption of Methylene Blue (MB) onto ground Morus Nigra L roots powder (MNLRP) surface from aqueous solution. The effects of different parameters on adsorption processes were investigated. The maximum adsorption capacity, qmax, was found to be 32.63 mg/g at 45^oC. Among the all isotherms tested in this study, Langmuir isotherm model gave the best fit with and Chi square.The adsorption process was found to be physisorption process due to the calculated mean energy of adsorption calculated form Dubunin-Radushkevich (D-R) isotherm model ranged from 1.24 to 1.71 KJ/mol. This study demonstrates that MNLRP could be used to remove MB dyes from aqueous solutions.

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Authors

Mansour Faraj , Mohamed Erhayem

Mansour Faraj , Mohamed Erhayem. (2018). Langmuir, Freundlich, Temkin and Dubinin–Radushkevich isotherm studies of equilibrium sorption of Methylene Blue from Aqueous Solution onto Mulberry tree (Morus nigra L) roots powder. Journal of Pure & Applied Sciences, 17(1). https://doi.org/10.51984/jopas.v17i1.76

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