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Vol. 26 No. 24 (2014)

Copyright (c) 2014 A.F. Alkaim1, A.M. Aljeboree1, N.A. Alrazaq1, S.J. Baqir2, F.H. Hussein2, A.J. Lilo2

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This work is licensed under a Creative Commons Attribution 4.0 International License.

Effect of pH on Adsorption and Photocatalytic Degradation Efficiency of Different Catalysts on Removal of Methylene Blue

https://doi.org/10.14233/ajchem.2014.17908
A.F. Alkaim1
1Department of Chemistry, College of Science for Women, University of Babylon, Hilla, Iraq 2Department of Chemistry, College of Science, University of Babylon, Hilla, Iraq *Corresponding author: Tel: +964 7801 324986; E-mail: alkaim@iftc.uni-hannover.de; ayad_alkaim@yahoo.com
A.M. Aljeboree1
1Department of Chemistry, College of Science for Women, University of Babylon, Hilla, Iraq 2Department of Chemistry, College of Science, University of Babylon, Hilla, Iraq *Corresponding author: Tel: +964 7801 324986; E-mail: alkaim@iftc.uni-hannover.de; ayad_alkaim@yahoo.com
N.A. Alrazaq1
1Department of Chemistry, College of Science for Women, University of Babylon, Hilla, Iraq 2Department of Chemistry, College of Science, University of Babylon, Hilla, Iraq *Corresponding author: Tel: +964 7801 324986; E-mail: alkaim@iftc.uni-hannover.de; ayad_alkaim@yahoo.com
S.J. Baqir2
1Department of Chemistry, College of Science for Women, University of Babylon, Hilla, Iraq 2Department of Chemistry, College of Science, University of Babylon, Hilla, Iraq *Corresponding author: Tel: +964 7801 324986; E-mail: alkaim@iftc.uni-hannover.de; ayad_alkaim@yahoo.com
F.H. Hussein2
1Department of Chemistry, College of Science for Women, University of Babylon, Hilla, Iraq 2Department of Chemistry, College of Science, University of Babylon, Hilla, Iraq *Corresponding author: Tel: +964 7801 324986; E-mail: alkaim@iftc.uni-hannover.de; ayad_alkaim@yahoo.com
A.J. Lilo2
1Department of Chemistry, College of Science for Women, University of Babylon, Hilla, Iraq 2Department of Chemistry, College of Science, University of Babylon, Hilla, Iraq *Corresponding author: Tel: +964 7801 324986; E-mail: alkaim@iftc.uni-hannover.de; ayad_alkaim@yahoo.com

Corresponding Author(s) : A.F. Alkaim1

Asian Journal of Chemistry, Vol. 26 No. 24 (2014)

Abstract

The present study investigates the efficiency of adsorption and photodegradation catalyzed by TiO2, ZnO, CdS and Co3O4 on the removal of methylene blue dye, in different pH values (4, 6, 9 and 11). The photocatalytic degradation of methylene blue dye in aqueous catalysts TiO2, ZnO, CdS and Co3O4 suspension follows apparent after 0.5 h of photodegradation a first-order kinetics. The photodegradation efficiency of methylene blue was fast in the present condition (pH 11, pH 6, pH 6 and pH 4) and slower in (pH 4, pH 11, pH 11 and pH 11) of ZnO, TiO2, CdS and Co3O4, respectively. The highest adsorption capacity as follow: TiO2 > ZnO » CdS » Co3O4, while the photocatalytic activity: ZnO > TiO2 > CdS > Co3O4.

Keywords

pH Adsorption Photocatalytic degradation Methylene blue TiO2 ZnO CdS and Co3O4.
Alkaim1, A., Aljeboree1, A., Alrazaq1, N., Baqir2, S., Hussein2, F., & Lilo2, A. (2014). Effect of pH on Adsorption and Photocatalytic Degradation Efficiency of Different Catalysts on Removal of Methylene Blue. Asian Journal of Chemistry, 26(24), 8445–8448. https://doi.org/10.14233/ajchem.2014.17908
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