Anodic degradation of salicylic acid and simultaneous bio-electricity recovery in microbial fuel cell using waste-banana-peels derived biochar-supported MIL-53(Fe)-metal-organic framework as cathode catalyst

被引：8
作者：
Priyadarshini, Monali [1 ]
Ahmad, Azhan [2 ]
Shinde, Atul [2 ]
Das, Indrasis [3 ]
Ghangrekar, Makarand Madhao [1 ,2 ]
机构：
[1] Indian Inst Technol Kharagpur, Sch Environm Sci & Engn, Kharagpur 721302, India
[2] Indian Inst Technol Kharagpur, Dept Civil Engn, Kharagpur 721302, India
[3] CSIR Cent Leather Res Inst, Environm Engn Dept, Chennai 600020, Tamil Nadu, India
来源：
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2024年 / 967卷
关键词：
Biochar; Ceramic microbial fuel cell; Cathode catalyst; MIL-53(Fe); Salicylic acid; OXYGEN REDUCTION REACTION; WATER TREATMENT; PERFORMANCE; CARBON; MIL-53(FE); OXIDATION;
D O I：
10.1016/j.jelechem.2024.118451
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
This research was aimed to synthesize waste banana peel biochar (BC) supported MIL-53(Fe) metal-organic framework (MOF) (MIL-53(Fe)/BC) as an efficient cathode catalyst for application in a microbial fuel cell (MFC) for the treatment of salicylic acid (SA)-laden wastewater. This investigation marks the first application of such a catalyst in a MFC for SA degradation. The results revealed an increment in power density of MFC-MIL-53(Fe)/BC by 2.34-folds (142.2 +/- 1.5 mW/m2) as compared to MFC-MIL-53(Fe) (60.6 +/- 1.8 mW/m2). Removal of chemical oxygen demand in MFC-MIL-53(Fe)/BC (93.8 +/- 2.2 %) was found to be comparable to MFC-Pt/C (94.6 +/- 1.5 %). The MFC-MIL-53(Fe)/BC demonstrated a 91.5 +/- 2.0 % biodegradation of SA. The power recovery per unit cost by MFC-MIL-53(Fe)/BC was found to be 380.21 mW/US$, which is significantly higher than MFC-Pt/C (6.08 mW/US$), indicating that MIL-53(Fe)/BC could be an affordable replacement to pricey Pt as cathode catalyst for efficient oxygen reduction reaction.
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页数：10
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