Adsorption and photocatalytic degradation of malachite green by vanadium doped zinc oxide nanoparticles-Reference-Cited by-同舟云学术

Adsorption and photocatalytic degradation of malachite green by vanadium doped zinc oxide nanoparticles

Published:2015-11-02 Issue:4 Volume:73 Page:881-889
ISSN:0273-1223
Container-title:Water Science and Technology
language:en
Short-container-title:

Author:

Khezami L.¹,Taha Kamal K.¹²,Ghiloufi Imed³,El Mir Lassaad³

Affiliation:

1. College of Sciences, Department of Chemistry, Al Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11432, Saudi Arabia

2. College of Applied and Industrial Sciences, University of Bahri, Khartoum, Sudan

3. College of Sciences, Department of Physics, Al Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11432, Saudi Arabia and Laboratory of Physics of Materials and Nanomaterials Applied at Environment (LaPhyMNE), Faculty of Sciences, University of Gabès, Gabès, Tunisia

Abstract

Herein the degradation of malachite green (MG) dye from aqueous medium by vanadium doped zinc oxide (ZnO:V3%) nanopowder was investigated. The specific surface area and pore volume of the nanopowder was characterized by nitrogen adsorption method. Batch experimental procedures were conducted to investigate the adsorption and photocatalytic degradation of MG dye. Adsorption kinetics investigations were performed by varying the amount of the catalyst and the initial dye concentrations. Adsorption and photocatalytic degradation data were modeled using the Lagergren pseudo-first-order and second-order kinetic equation. The results showed that the ZnO:V3% nanopowder was particularly effective for the removal of MG and data were found to comply with Lagergreen pseudo-first-order kinetic model.

Publisher

IWA Publishing

Subject

Water Science and Technology,Environmental Engineering

Link

http://iwaponline.com/wst/article-pdf/73/4/881/464024/wst073040881.pdf

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