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Kinetics Study of The Ability of Compost Material for Removing 〖Cu〗^(2+) from Wastewater

Paper Topic: 
Solid Waste Management

Pages :
610 - 619

Corresponing Author: 
Benjreid R., Matouq M., Al-Alawi M. and György F.
Paper ID: 
Paper Status: 
Date Paper Accepted: 
Paper online: 

The objective of this study is to examine the ability of a compost material for removing {Cu}^{2+} from aqueous solutions with different parameters using continuous fixed-bed column. Compost was characterized by using Fourier transform infrared spectroscopy which revealed that the metal binding is mainly contributed to the ionic interaction of the metal cations with the carboxyl groups in the hemic substances. Scanning electron microscope images were utilized for morphological analysis of the adsorbent and has revealed that the changes in compost composition could be related to the mechanism of metal binding. Energy dispersive X-ray spectroscopy was used before and after the metal had loaded and gives a good evidence on compost adsorption of {Cu}^{2+} and the metals have its involvement in the interaction in the adsorption process. The influence of the initial {Cu}^{2+}concentration, flow rate, bed heights of the column, and ion exchange have been studied in this research. The adsorption kinetic models have revealed that the behaviour of the {Cu}^{2+\ }adsorption is dependent on rate of concentration, flow rate, and bed heights.

wastewater treatment, compost, heavy metal removal, adsorption kinetics, Cu ions removal, kinetics models