Arsenic Removal from Water Using Industrial By-ProductsReportar como inadecuado




Arsenic Removal from Water Using Industrial By-Products - Descarga este documento en PDF. Documentación en PDF para descargar gratis. Disponible también para leer online.

Journal of ChemistryVolume 2013 2013, Article ID 121024, 9 pages

Research Article

University of Belgrade, Faculty of Civil Engineering, Bulevar Kralja Aleksandra 73, 11000 Belgrade, Serbia

University of Belgrade, Vinča Institute of Nuclear Sciences, POB 522, 11001 Belgrade, Serbia

University of Belgrade, Faculty of Technology and Metallurgy, Karnegijeva 4, 11000 Belgrade, Serbia

Received 13 May 2013; Accepted 8 August 2013

Academic Editor: Antonio J. Melendez-Martinez

Copyright © 2013 Branislava M. Lekić et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

In this study, removal of arsenic ions using two industrial by-products as adsorbents is represented. Removal of AsIII and AsV from water was carried out with industrial by-products: residual from the groundwater treatment process, iron-manganese oxide coated sand IMOCS, and blast furnace slag from steel production BFS, both inexpensive and locally available. In addition, the BFS was modified in order to minimise its deteriorating impact on the initial water quality. Kinetic and equilibrium studies were carried out using batch and fixed-bed column adsorption techniques under the conditions that are likely to occur in real water treatment systems. To evaluate the application for real groundwater treatment, the capacities of the selected materials were further compared to those exhibited by commercial sorbents, which were examined under the same experimental conditions. IMOCS was found to be a good and inexpensive sorbent for arsenic, while BFS and modified slag showed the highest affinity towards arsenic. All examined waste materials exhibited better sorption performances for AsV. The maximum sorption capacity in the batch reactor was obtained for blast furnace slag, 4040 μgAsV-g.





Autor: Branislava M. Lekić, Dana D. Marković, Vladana N. Rajaković-Ognjanović, Aleksandar R. Đukić, and Ljubinka V. Rajaković

Fuente: https://www.hindawi.com/



DESCARGAR PDF




Documentos relacionados