Preparation and Characterization of NaA Zeolite Membranes and its Application for Removal of Heavy Metals

Authors

  • Najib Tijani Equipe : Membranes, Matériaux et Procédés de Séparation, Département de Chimie, Faculté des Sciences, Université Moulay Ismaîl, Meknès, Morocco
  • Hammou Ahlafi Equipe : Matériaux et Catalyse Appliqués, Département de chimie, Laboratoire de Chimie et Biologie Appliquées à l’Environnement, Faculté des Sciences, Université Moulay Ismaîl, Meknès, Morocco
  • Monique Smaihi Institut Européen des Membranes, CNRS, UMR 5635 CC 047, Place Eugène Bataillon, 34 095 Montpellier cedex5, France
  • Abdeslam El Mansouri Institut Européen des Membranes, CNRS, UMR 5635 CC 047, Place Eugène Bataillon, 34 095 Montpellier cedex5, France

DOI:

https://doi.org/10.13171/mjc.2.3.2013.06.01.00

Abstract

In this work, the characteristics of low cost NaA zeolite membranes for heavy metal removal from synthesised solutions are presented. These membranes were elaborated on a clay macroporous support which were prepared and characterized by XRD, SEM and N2 permeation. The effects of synthesis parameters such as temperature T and time t on the proprieties of the NaA zeolite membranes were investigated. The best experimental conditions for synthezised membranes are obtained for T = 60 °C, t = 24 h and 117 L m-2 h-1 bar-1 for a water flux of membrane.The tests for the removal of Pb(II), Zn(II) and Cr(VI), conducted on these NaA zeolite membranes, show respectively the rejection reached 99%, 99% and 12% after 1 hour of filtration at 7 bars of N2 and at ambient temperature.

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Published

2013-01-06

Issue

Vol. 2 No. 3 (2013)

Section

Environmental Chemistry

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