Treatment of Oily Wastewater by the Optimization of Fe 2 O 3 Calcination Temperatures in Innovative Bio-Electron-Fenton Microbial Fuel Cells

Jung-Chen Wu, Wei-Mon Yan, Chin-Tsan Wang, Chen-Hao Wang, Yi-Hao Pai, Kai-Chin Wang, Yan-Ming Chen, Tzu-Hsuan Lan and Sangeetha Thangavel
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Jung-Chen Wu: Department of Materials Science and Engineering, National Taiwan University of Science and Technology, No. 43, Keelung Rd., Sec. 4, Da’an Dist., Taipei 10607, Taiwan
Wei-Mon Yan: Department of Energy and Refrigerating Air-Conditioning Engineering, National Taipei University of Technology, 1, Sec. 3, Zhongxiao E. Rd., Taipei 10608, Taiwan
Chin-Tsan Wang: Department of Mechanical and Electro-Mechanical Engineering, National Ilan University, No. 1, Sec. 1, Shennong Rd., Yilan 26047, Taiwan
Chen-Hao Wang: Department of Materials Science and Engineering, National Taiwan University of Science and Technology, No. 43, Keelung Rd., Sec. 4, Da’an Dist., Taipei 10607, Taiwan
Yi-Hao Pai: Department of Opto-Electronic Engineering, National Dong Hwa University, No. 1, Sec. 2, Da Hsueh Rd., Shoufeng, Hualien 97401, Taiwan
Kai-Chin Wang: Department of Materials Science and Engineering, National Taiwan University of Science and Technology, No. 43, Keelung Rd., Sec. 4, Da’an Dist., Taipei 10607, Taiwan
Yan-Ming Chen: Department of Materials and Mineral Resources Engineering & Institute of Materials Science and Engineering National Taipei University of Technology, No. 1, Sec. 3, Zhong-Xiao E. Rd., Taipei 10608, Taiwan
Tzu-Hsuan Lan: Department of Materials and Mineral Resources Engineering & Institute of Materials Science and Engineering National Taipei University of Technology, No. 1, Sec. 3, Zhong-Xiao E. Rd., Taipei 10608, Taiwan
Sangeetha Thangavel: Department of Energy and Refrigerating Air-Conditioning Engineering, National Taipei University of Technology, 1, Sec. 3, Zhongxiao E. Rd., Taipei 10608, Taiwan

Energies, 2018, vol. 11, issue 3, 1-11

Abstract: Due to the fact that Iron oxide (Fe 2 O 3 ) is known to have a good effect on the photochemical reaction of catalysts, an investigation in this study into the enhancement of the degradation performance of bio-electro-Fenton microbial fuel cells (Bio-E-Fenton MFCs) was carried out using three photocatalytic cathodes. These cathodes were produced at different calcination temperatures of Fe 2 O 3 ranging from 500 °C to 900 °C for realizing their performance as photo catalysts within the cathodic chamber of an MFC, and they were compared for their ability to degrade oily wastewater. Results show that a suitable temperature for the calcination of iron oxide would have a significantly positive effect on the performance of Bio-E-Fenton MFCs. An optimal calcination temperature of 500 °C for Fe 2 O 3 in the electrode material of the cathode was observed to produce a maximum power density of 52.5 mW/m 2 and a chemical oxygen demand (COD) degradation rate of oily wastewater (catholyte) of 99.3% within one hour of operation. These novel findings will be useful for the improvement of the performance and applications of Bio-E-Fenton MFCs and their future applications in the field of wastewater treatment.

Keywords: bio-electro-Fenton microbial fuel cells (Bio-E-Fenton MFCs); wastewater; photo catalyst; degradation; calcination; chemical oxygen demand (COD) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
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