alexa Study the Remove and Transport Mechanisms of Seleniums
ISSN: 2157-7048

Journal of Chemical Engineering & Process Technology
Open Access

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Research Article

Study the Remove and Transport Mechanisms of Seleniums in Membrane(UF and NF) Processes

Mustapha Chabane* and Benamar Dahmani
Spectrochemistry and Structural Pharmacology Laboratory, Department of Chemistry, Science Faculty, University of Tlemcen, Algeria
Corresponding Author : Mustapha Chabane
Spectrochemistry and Structural Pharmacology Laboratory
Department of Chemistry, Science Faculty
University of Tlemcen, Algeria
Tel: 21343213742
E-mail: [email protected]
Received October 12, 2011; Accepted November 17, 2011; Published November 25, 2011
Citation: Chabane M, Dahmani B (2011) Study the Remove and Transport Mechanisms of Seleniums in Membrane (UF and NF) Processes. J Chem Eng Process Technol 2:116.doi:10.4172/2157-7048.1000116
Copyright: © 2011 Chabane M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

The removal and transport of ionized and non-ionized selenium’s were systemically investigated in this study. The charge repulsion between the membrane surface and selenium ions was an important mechanism for the rejection of ions by a charged membrane. In addition, selenium removal was significantly affected by the J0/k ratio, but was not affected by the cross-flow velocity. Both diffusion and convection are proven to affect the transport of selenium ions transports. The reflection coefficients of both UF and NF membranes increased with increasing the pH, and with the reflection coefficients of selenate are being higher than those of selenite at under the same operating conditions. The spiral-wound type module exhibited slightly higher selenate removal compared to than the flat-sheet type module at under the same operation conditions.

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