Kinetic study on photocatalytic degradation of 2-chlorophenol using mesoporous titania nanoparticles

Authors

  • Nur Farhana Jaafar

DOI:

https://doi.org/10.11113/mjcat.v4n1.139

Keywords:

Mesoporous titania nanoparticles, photocatalytic degradation, 2-chlorophenol, kinetic study

Abstract

Photocatalytic degradation is one of advance oxidation process (AOP) techniques where able to break down wide range of the organic pollutants in wastewater. In this study, microwave (MW) – assisted method was used to prepare 450W mesoporous titania nanoparticles (MTN) catalyst. The catalyst was characterized by XRD, UV-DRS and XPS. The photocatalytic degradation of 2-chlorophenol (2-CP) in aqueous solution was studied under visible light irradiation using MTN and the photocatalytic performance of MTN was compared with TiO2 commercial. The MTN catalyst shows the highest degradation of 2-CP with 100% compared with TiO2 (50%). This study illustrated that the catalyst works best with dosage 0.0375 g/L in a 10 mg/L solution of pH 5. Kinetic study of MTN was investigated over a concentration range 10 to 100 mg/L using Langmuir-Hinshelwood model. The straight line demonstrated that the degradation follows pseudo-first-order kinetics and this reaction was favourable at low concentration.




 

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Published

2020-06-17

How to Cite

Jaafar, N. F. (2020). Kinetic study on photocatalytic degradation of 2-chlorophenol using mesoporous titania nanoparticles. Malaysian Journal of Catalysis, 4(1). https://doi.org/10.11113/mjcat.v4n1.139

Issue

Vol. 4 No. 1 (2020): Vol 4, No 1 (2020)

Section

Research Article

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