Fe2V4O13 assisted hetero-Fenton mineralization of methyl orange under UV-A light irradiation

Publish Year: 1396
نوع سند: مقاله ژورنالی
زبان: English
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JR_ICC-6-1_012

تاریخ نمایه سازی: 2 مهر 1398

Abstract:

Fe2V4O13 is prepared and characterized by X-ray diffraction (XRD), Fourier transform infrared (FT-IR), UV-diffuse reflectance spectroscopy (UV-DRS), high resolution scanning electron microscopy (HR-SEM) using energy dispersive X-ray spectroscopy (EDX) analysis. The hetero-Fenton catalyst can be used to mineralize Methyl Orange (MO) under UV-A light. The mineralization rate is influenced by hydrogen peroxide (H2O2) concentration, pH, and catalyst loading. The reusability of Fe2V4O13 is analyzed by five successive runs. At the maximum of 95% of degradation is observed in all five cycles. Therefore, the Fe2V4O13 catalyst is found to be reusable. The mineralization is confirmed by chemical oxygen demand (COD) measurements. Mechanism of the heterophoto-Fenton process is also proposed.Keywords: Fe2V4O13; Methyl Orange; wastewater treatment; hetero-Fenton reaction; photocatalysis

Authors

Kaliyamoorthy Gowthami

Department of Chemistry, Annamalai University, Annamalainagar ۶۰۸ ۰۰۲, Tamil Nadu, India

Palusamy Suppuraj

Department of Chemistry, Annamalai University, Annamalainagar ۶۰۸ ۰۰۲, Tamil Nadu, India

Ganesamoorthy Thirunarayanan

Department of Chemistry, Annamalai University, Annamalainagar ۶۰۸ ۰۰۲, Tamil Nadu, India

Balu Krishnakumar

Department of Chemistry, University of Coimbra, Coimbra ۳۰۰۴-۵۳۵, Portugal

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