A New Low Cost Biosorbent for a Cationic Dye Treatment
Journal: International Journal of Environment, Agriculture and Biotechnology (Vol.2, No. 4)Publication Date: 2017-07-02
Authors : Belbahloul Mounir; Msaad Asmaa; Beakou Buscotin; Houssaini Mohammed; Amine; Zouhri Abdeljalil; Anouar Abdellah;
Page : 1885-1889
Keywords : Methylene Blue; adsorption; Papaya seed; adsorption isotherm and adsorption kinetic.;
Abstract
The aim of our study consists to investigate the adsorption of Methylene Blue from aqueous solution by a new biosorbent prepared from Papaya seed. Adsorption behavior of the cationic dye was analyzed by variation of solution pH, contact time, adsorbent dose, and temperature. Adsorption isotherms were studied according to the Langmuir and Freundlich Model, and adsorption kinetics according to pseudo first and second order. Results show that the maximum adsorption is obtained at ambient temperature with the yield of 98.82% and was reached in first 20min (pH = 10, adsorbent dose of 100 mg in 50 mL). The Langmuir isotherm shows a correlation coefficient of 99.4% higher than 95.4%obtained for Freundlich model and the adsorption kinetic model follow a pseudo-second order with a maximum adsorption capacity of 52.28 mg/g.
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Last modified: 2017-08-22 01:33:05