Bioelectrochemical cells as a green energy source for electrochemical treatment of water and wastewater

Nidheesh, P.V.; Ganiyu, Soliu O.; Kuppam, Chandrasekar; Mousset, Emmanuel; Samsudeen, N.; Olvera‐Vargas, Hugo; Kumar, Gopalakrishnan

doi:10.1016/j.jwpe.2022.103232

Cited by 13 publications

(7 citation statements)

References 187 publications

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“…Several investigations have demonstrated the efficiency of EF in the treatment of real industrial wastewater, generally at the bench scale, whereas larger-scale reports are still scarce . The readers are referred to recent review papers by authoritative groups on EF applications, advances, and prospects for further details. ,− …”

Section: Challenges and Future Prospectsmentioning

confidence: 99%

Critical Review on the Mechanisms of Fe²⁺ Regeneration in the Electro-Fenton Process: Fundamentals and Boosting Strategies

et al. 2023

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This review presents an exhaustive overview on the mechanisms of Fe3+ cathodic reduction within the context of the electro-Fenton (EF) process. Different strategies developed to improve the reduction rate are discussed, dividing them into two categories that regard the mechanistic feature that is promoted: electron transfer control and mass transport control. Boosting the Fe3+ conversion to Fe2+ via electron transfer control includes: (i) the formation of a series of active sites in both carbon- and metal-based materials and (ii) the use of other emerging strategies such as single-atom catalysis or confinement effects. Concerning the enhancement of Fe2+ regeneration by mass transport control, the main routes involve the application of magnetic fields, pulse electrolysis, interfacial Joule heating effects, and photoirradiation. Finally, challenges are singled out, and future prospects are described. This review aims to clarify the Fe3+/Fe2+ cycling process in the EF process, eventually providing essential ideas for smart design of highly effective systems for wastewater treatment and valorization at an industrial scale.

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Section: Challenges and Future Prospectsmentioning

confidence: 99%

Critical Review on the Mechanisms of Fe²⁺ Regeneration in the Electro-Fenton Process: Fundamentals and Boosting Strategies

et al. 2023

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“…This may be because of the meagre voltage generation in the MFC (less than 2 V for stacked MFCs), which is far less than the oxygen evolution reaction potential of active electrodes (Pt, graphite and dimensionally stable anodes) as well as inactive electrodes (TiO 2 ). 89 Therefore, to meet the power demand of operating electrolysis reactors, multiple MFC reactors can be assembled in series. For instance, power generated from two single-chamber MFCs was used as a renewable energy source for operating the EO reactor for degrading pyridine and methyl orange.…”

Section: Integrated Bio-electrochemical Technologies and Hybrid Advan...mentioning

confidence: 99%

Critical assessment of advanced oxidation processes and bio-electrochemical integrated systems for removing emerging contaminants from wastewater

Bashir,

Raj,

Ghangrekar

et al. 2023

RSC Sustain.

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“…In the study of electrochemical systems, a key component in the construction of the system to be studied is the electrode. In the context of PMFCs, electrodes should be conductive, biocompatible, chemically stable, and economical (Agrahari et al, 2022;Nidheesh et al, 2022). Carbon is an established material of choice due to its generally high conductivity, low resistance, and porous nature.…”

Section: Conductive Pla As Electrodementioning

confidence: 99%

Performance evaluation of the novel 3D-printed aquatic plant-microbial fuel cell assembly with Eichhornia crassipes

Malinis,

Velasco,

Pamintuan

2023

Int. J. Renew. Energy Dev.

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Plant-Microbial Fuel Cells (PMFCs) are a sustainable derivative of fuel cells that capitalizes on plant rhizodeposition to generate bioelectricity. In this study, the performance of the novel 3D-printed aquatic PMFC assembly with Eichhornia crassipes as the model plant was investigated. The design made use of 1.75 mm Protopasta Conductive Polylactic Acid (PLA) for the electrodes and 1.75 mm CCTREE Polyethylene Terephthalate Glycol (PETG) filaments for the separator. Three systems were prepared with three replicates each: PMFCs with the original design dimensions (System A), PMFCs with cathode-limited surface area variations (System B), and PMFCs with anode-limited surface area variations (System C). The maximum power density obtained by design was 82.54 µW/m2, while the average for each system is 26.99 µW/m2, 36.24 µW/m2, and 6.81 µW/m2, respectively. The effect of variations on electrode surface area ratio was also examined, and the results suggest that the design benefits from increasing the cathode surface area up to a cathode-anode surface area ratio of 2:1. This suggests that the cathode is the crucial component for this design due to it facilitating the rate-limiting step. Plant health was also found to be a contributing factor to PMFC performance, thereby suggesting that PMFCs are an interplay of several factors not limited to electrode surface area alone. The performance of the novel PMFC did not achieve those obtained from existing studies. Nevertheless, the result of this study indicates that 3D-printing technology is a possible retrofit for PMFC technology and can be utilized for scale-up and power amplification.

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Bioelectrochemical cells as a green energy source for electrochemical treatment of water and wastewater

Cited by 13 publications

References 187 publications

Critical Review on the Mechanisms of Fe²⁺ Regeneration in the Electro-Fenton Process: Fundamentals and Boosting Strategies

Critical Review on the Mechanisms of Fe²⁺ Regeneration in the Electro-Fenton Process: Fundamentals and Boosting Strategies

Critical assessment of advanced oxidation processes and bio-electrochemical integrated systems for removing emerging contaminants from wastewater

Performance evaluation of the novel 3D-printed aquatic plant-microbial fuel cell assembly with Eichhornia crassipes

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Bioelectrochemical cells as a green energy source for electrochemical treatment of water and wastewater

Cited by 13 publications

References 187 publications

Critical Review on the Mechanisms of Fe2+ Regeneration in the Electro-Fenton Process: Fundamentals and Boosting Strategies

Critical Review on the Mechanisms of Fe2+ Regeneration in the Electro-Fenton Process: Fundamentals and Boosting Strategies

Critical assessment of advanced oxidation processes and bio-electrochemical integrated systems for removing emerging contaminants from wastewater

Performance evaluation of the novel 3D-printed aquatic plant-microbial fuel cell assembly with Eichhornia crassipes

Contact Info

Product

Resources

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Critical Review on the Mechanisms of Fe²⁺ Regeneration in the Electro-Fenton Process: Fundamentals and Boosting Strategies

Critical Review on the Mechanisms of Fe²⁺ Regeneration in the Electro-Fenton Process: Fundamentals and Boosting Strategies