Use of response surface methodology for optimization of the photocatalytic degradation of ampicillin by ZnO/polyaniline nanocomposite

Use of response surface methodology for optimization of the photocatalytic degradation of... ZnO/polyaniline nanocomposite was obtained by surface modification of ZnO nanoparticles with conducting polyaniline, synthesized by polymerization of aniline monomers. The ZnO/polyaniline nanocomposite was characterized by use of UV–visible spectroscopy, TEM, and XRD, and was used for removal of the antibiotic ampicillin, an important water pollutant, from aqueous solution. The effects of initial concentration of ampicillin, reaction time, and solution pH on efficiency of removal by 10 mg/L ZnO/polyaniline nanocomposite were determined and optimized by use of response surface methodology. Predicted and experimental values of the degradation efficiency were in good agreement (R 2 = 0.9763). Maximum degradation was achieved under the optimum conditions: initial ampicillin concentration 4.5 mg/L, reaction time 120 min, and solution pH 5. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Use of response surface methodology for optimization of the photocatalytic degradation of ampicillin by ZnO/polyaniline nanocomposite

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Publisher
Springer Netherlands
Copyright
Copyright © 2013 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-013-1278-x
Publisher site
See Article on Publisher Site

Abstract

ZnO/polyaniline nanocomposite was obtained by surface modification of ZnO nanoparticles with conducting polyaniline, synthesized by polymerization of aniline monomers. The ZnO/polyaniline nanocomposite was characterized by use of UV–visible spectroscopy, TEM, and XRD, and was used for removal of the antibiotic ampicillin, an important water pollutant, from aqueous solution. The effects of initial concentration of ampicillin, reaction time, and solution pH on efficiency of removal by 10 mg/L ZnO/polyaniline nanocomposite were determined and optimized by use of response surface methodology. Predicted and experimental values of the degradation efficiency were in good agreement (R 2 = 0.9763). Maximum degradation was achieved under the optimum conditions: initial ampicillin concentration 4.5 mg/L, reaction time 120 min, and solution pH 5.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Jun 4, 2013

References

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