Year 2017, Volume 4 , Issue 1, Pages 375 - 394 2017-01-09

Sorption study of methylene blue on activated carbon prepared from Jatropha curcas and Terminalia catappa seed coats

Ismaila Olalekan Saheed [1] , Folahan Amoo Adekola [2] , Gabriel Ademola Olatunji [3]

This research work targets the effectiveness of the prepared activated carbon from Jatropha curcas and Terminalia catappa seed coats for the sorption of methylene blue (MB) from aqueous solution. The prepared Jatropha activated carbon (JAC) and Terminalia activated carbon (TAC) were characterised using Fourier transform infrared spectroscopy (FTIR), Scanning electron microscopy (SEM) and Branauer- Emmett-Teller (BET) surface area analysis. Effect of initial concentration, pH, contact time, adsorbent dose and temperature on the sorption experiments were studied and the adsorption capacity of these adsorbents were found to be 37.84 mg/g and 17.44 mg/g for methylene blue uptake by JAC and TAC respectively. The experimental data were analysed using Langmuir, Fruendlich, and Dubinin-Radushkevich isotherms. The data fitted best into Langmuir isotherm for Methylene blue-JAC and Methylene blue-TAC systems. The kinetic studies fitted into pseudo second order kinetics model. The process chemistry was exothermic.

adsorption, activated carbon; methylene blue; kinetics; thermodynamics
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Journal Section Articles

Author: Ismaila Olalekan Saheed

Author: Folahan Amoo Adekola

Author: Gabriel Ademola Olatunji


Application Date : November 14, 2016
Acceptance Date : October 30, 2020
Publication Date : January 9, 2017

Vancouver Saheed I , Adekola F , Olatunji G . Sorption study of methylene blue on activated carbon prepared from Jatropha curcas and Terminalia catappa seed coats. Journal of the Turkish Chemical Society Section A: Chemistry. 2017; 375-394.