DOI: https://doi.org/10.9767/bcrec.14.1.3616.219-227

Synthesis of Titania Doped Copper Ferrite Photocatalyst and Its Photoactivity towards Methylene Blue Degradation under Visible Light Irradiation

Faculty of Chemical & Natural Resources Engineering, Universiti Malaysia Pahang, Malaysia

Received: 15 Nov 2018; Revised: 14 Jan 2019; Accepted: 17 Jan 2019; Available online: 25 Jan 2019; Published: 15 Apr 2019.
Editor(s): Asmida Ideris, Istadi Istadi
Open Access Copyright (c) 2019 by Authors, Published by BCREC Group under http://creativecommons.org/licenses/by-sa/4.0.
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Abstract

This paper reports the photocatalytic decomposition of methylene blue (MB) over titania doped copper ferrite, CuFe2O4/TiO2 with 50 wt% loading, synthesized via sol-gel method. The synthesized photocatalyst was characterized by X-ray diffraction, UV-vis diffuse reflectance, and photoluminescence, Mott-Schottky (MS) analysis and linear sweep voltammetry (LSV). The catalyst loadings were varied from 0.25 – 1.0 g/L and the optimum catalyst loading found to be 0.5 g/L. At the optimum loading, the conversion achieved was 83.7%. The other loadings produced slightly lower conversions at 82.7%, 80.6% and 80.0%, corresponding to 0.25, 1 and 0.75 g/L after 3 hours of irradiation. The study on the effect of initial concentration indicated that 20 ppm as the optimum concentration, tested with 0.5 g/L catalyst loading. The spent catalyst was used for the recyclability test and demonstrated a high longevity with a degradation efficiency less than 6 % for each time interval. The novelty of this study lies on the new application of photocatalytic material, CuFe2O4/TiO2 on thiazine dye that shows remarkable activity and reusability performance under visible light irradiation. 

Keywords: Copper Ferrite; Photocatalysis; Titania; Methylene Blue
Funding: Universiti Malaysia Pahang under contract internal grant RDU1603127

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Section: The 4th International Conference of Chemical Engineering & Industrial Biotechnology (ICCEIB 2018)
Language : EN
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