Phototrophic microbial fuel cells: a greener approach to sustainable power generation and wastewater treatment

Sonawane, Jayesh M.; Vijay, Ankisha; Deng, Tianyang; Ghosh, Prakash C.; Greener, Jesse

doi:10.1039/d3se00237c

Cited by 8 publications

References 195 publications

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Cascading Integration of Electrofermentation and Photosynthesis—Low‐Carbon Biorefinery in Closed Loop Approach

Sravan,

Hemalatha,

Mohan

2023

Advanced Sustainable Systems

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Single‐chambered electrofermentation (EF) bioreactors are operated using spent wash to evaluate the effect of applied voltage (EF/AV; −0.6 V) against closed‐circuit (EF/CC; 100 Ω) and control (EF/C; no voltage/resistance) operations using deoiled microalgae biomass‐derived biochar electrodes (anode) on increasing acidogenesis rate/efficiency. Higher total volatile fatty acids (VFA) production (mg L−1) is observed in EF/AV (2866), depicting 31% and 57% increments than EF/CC (1984) and EF/C (1224), respectively. The VFA profiles (C2–C4) in EF/AV are higher with acetic/butyric/propionic acids (1922/704/240 mg L−1) and biogas co‐generation [H2 (22%) and CH4 (3%)] than EF/CC and EF/C. The applied voltage (EF/AV) helps in electron flux regulation for increasing substrates conversion and VFA generation. Residual VFA‐rich effluents from EF process is utilized as substrate to mixotrophic microalgae cultivation (nutrient‐ and stress‐phase) that resulted in biomass production with simultaneous wastewater treatment. EF/AV depicted higher biomass growth (0.72 g L−1; 4th day) and substrate removal (63%) than other operations. Integrations of electrofermentation with photosynthetic processes operated with the residual resources in effluents towards product valorization and wastewater polishing, accounts for low‐carbon economy.

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Cascading Integration of Electrofermentation and Photosynthesis—Low‐Carbon Biorefinery in Closed Loop Approach

Sravan,

Hemalatha,

Mohan

2023

Advanced Sustainable Systems

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Utilizing fungal biodegradation for valorisation of lignocellulosic waste biomass and its diverse applications

Mehta,

Chelike

2024

Applied Research

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Myco degradation is an effective technique for breaking down waste plant substances made of lignin, cellulose, and hemicellulose, which are collectively known as lignocellulose. This abundant organic material is found throughout the world. Due to its recalcitrant nature, lignocellulose poses a challenge for efficient conversion into biofuels, biochemicals, and other valuable products. Myco degradation, which involves the use of fungi to degrade lignocellulosic materials, offers a sustainable and cost‐efficient resolution to this challenge. This review provides an overview of the mechanisms and applications of myco degradation for lignocellulosic biomass degradation. The review discusses the various types of fungi involved in lignocellulose degradation, their enzymatic systems, and the factors that influences their performance. Furthermore, the potential applications of myco degradation products, such as biofuels, enzymes, and bioplastics, are reviewed. It also highlights the implications of myco degradation for waste management and sustainable development. Overall, myco degradation represents a promising technology for the efficient deprivation of lignocellulosic waste biomass, and further research in this field holds great potential for the sustainable creation of bio‐based products.This article is protected by copyright. All rights reserved.

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Production of Microbial Fuel Cell Material from Industrial Wastewater Sludge: Recent Trends and Development

Hidalgo,

Martín-Marroquín,

Corona

2024

Recent Trends in Management and Utilization of Industrial Sludge

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Phototrophic microbial fuel cells: a greener approach to sustainable power generation and wastewater treatment

Abstract: Microbial fuel cells (MFCs) rely on the capacity of electrode-adhered electroactive bacteria to oxidize organic matter and generate electrons. Typical MFCs are highly engineered systems that can be applied as...

Cited by 8 publications

References 195 publications

Cascading Integration of Electrofermentation and Photosynthesis—Low‐Carbon Biorefinery in Closed Loop Approach

Cascading Integration of Electrofermentation and Photosynthesis—Low‐Carbon Biorefinery in Closed Loop Approach

Utilizing fungal biodegradation for valorisation of lignocellulosic waste biomass and its diverse applications

Production of Microbial Fuel Cell Material from Industrial Wastewater Sludge: Recent Trends and Development

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