American Journal of Environment and Sustainable Development
Articles Information
American Journal of Environment and Sustainable Development, Vol.4, No.2, Jun. 2019, Pub. Date: May 31, 2019
Removal of Methylene Blue Dye by Adsorption on Natural Sand
Pages: 84-88 Views: 1368 Downloads: 917
Authors
[01] Ahmed El Yacoubi, Chemical Team Materials Surfaces Interfaces, Laboratory Materials and Energetic, University Ibn Tofail, Kenitra, Morocco.
[02] Nisrine Rahali, Chemical Team Materials Surfaces Interfaces, Laboratory Materials and Energetic, University Ibn Tofail, Kenitra, Morocco.
[03] Driss Elmerras, Department of Mineral Chemistry, University Ibn Tofail, Kenitra, Morocco.
[04] Abdellah Rezzouk, Department of Physic LPS, University Sidi Mohamed Benabdellah Dhar El Mehraz, Atlas FES, Morocco.
[05] Brahim Chafik El Idrissi, Chemical Team Materials Surfaces Interfaces, Laboratory Materials and Energetic, University Ibn Tofail, Kenitra, Morocco.
Abstract
Synthetic dyes are widely used in industries such as rubber, textiles, plastics, paper, and cosmetics to color their products. The effectiveness of adsorption for dye removal from wastewater has made it an ideal alternative to other expensive treatment methods. The purpose of this study was to investigate the feasibility of optimization and removal of dye Methylene Blue (MB) from aqueous solutions by using beach sand as an extremely low cost adsorbent. The sand was collected from south of Morocco. The adsorption of Methylene blue on sand has found to be dependent of contact time. Under the optimum conditions: A pH = 6.5 and T = 20°C, the sorbent could remove more than 99%. According to the results of experiments in this research, adsorption kinetic was found to adopt the pseudo-second order kinetic model, which was the best appropriate model to describe the adsorption process. The maximum adsorption capacity was found to be 0.25mg.g-1 and a kinetic constant K2 of 1.99 g.mg-1min-1. This makes it an interesting option for dye removal from aqueous solution of dye.
Keywords
Wastewater, Adsorption, Methylene Blue, Natural Sand
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