Algae cathode microbial fuel cells for electricity generation and nutrient removal from landfill leachate wastewater

Nguyen, Hai-Tra; Kakarla, Ramesh; Min, Booki

doi:10.1016/j.ijhydene.2017.10.011

Cited by 85 publications

(20 citation statements)

References 34 publications

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“…To promote sustainability and resource recovery, the algal approach can also lead to the production of economically valuable biomass that can be utilized for producing biofuels [18], bioactive compounds, and nutrient supplements [19]. Additionally, algal approach in certain systems such as microbial fuel cells (MFC) offer distinct advantages, for example, in MFC cathode algae is involved in carbon fixation via photosynthesis which leads to the generation of higher dissolved oxygen (DO) than mechanical aeration and, thereby the system operates at a higher efficiency [20].…”

Section: Landfill Leachate Treatment Methodsmentioning

confidence: 99%

“…For leachate concentration greater than 10%, a decrease in cell density was noticed. Nguyen et al (2017) [20] utilized microalgae in a microbial fuel cell (MFC) for COD and nutrient removal and energy production using a 5-40% strength leachate medium. The application of microalgae in MFC offers operational advantages such as the evolution of higher dissolved oxygen (DO) produced by the photosynthetic process of the microalgae and generate more power output than an MFC operation with mechanical aeration.…”

Section: Lab-scale Studiesmentioning

confidence: 99%

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A Review of Landfill Leachate Treatment by Microalgae: Current Status and Future Directions

et al. 2020

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Solid waste generation has been projected to increase worldwide. Presently, the most applied methodology to dispose of solid waste is landfilling. However, these landfill sites, over time release a significant quantity of leachate, which can pose serious environmental issues, including contamination of water resources. There exist many physicochemical and biological landfill leachate treatment schemes with varying degrees of success. With an increasing focus on sustainability, there has been a demand for developing eco-friendly, green treatment schemes for landfill leachates with viable resource recovery and minimum environmental footprints. Microalgae-based techniques can be a potential candidate for such a treatment scenario. In this article, research on microalgae-based landfill leachate treatments reported in the last 15 years have been summarized and critically reviewed. The scale-up aspect of microalgae technology has been discussed, and the related critical factors have been elucidated. The article also analyzes the resource recovery potential for microalgal techniques with respect to leachate treatment and explores possible methodologies to minimize the environmental footprints of the microalgae-based treatment process. The future research potential in the area has been identified and discussed.

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Section: Landfill Leachate Treatment Methodsmentioning

confidence: 99%

Section: Lab-scale Studiesmentioning

confidence: 99%

A Review of Landfill Leachate Treatment by Microalgae: Current Status and Future Directions

et al. 2020

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“…For example, microalgae have been used to remove phosphorus in leachate by the assimilation of nutrients into biomass. 157,158 Wang et al 26 observed that cyanobacteria can uptake phosphate in a photoautotrophic MFC and remove about 64.1-82.9%. Desulfomicrobium has also been reported to have the ability to remove phosphorus in MFC.…”

Section: Biocatalysts For Phosphorus Removal and Recovery In Mfcsmentioning

confidence: 99%

Simultaneous wastewater treatment and energy harvesting in microbial fuel cells: an update on the biocatalysts

et al. 2020

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“…( Table 2). The forms of algae utilization mainly include: direct use, as cathode material for microbial fuel cells [18] , algal-bacteria symbiotic system [19] , and microalgal biofiltration membrane [20] . Among them, the creation of algal-bacteria symbiotic system, that is, algal-bacteria co-culture to remove pollutants in wastewater is a major research focus at present.…”

Section: Remove Inorganic Pollutants From Wastewatermentioning

confidence: 99%

Applications of Microalgae-Based Technology in Environmental Engineering

2020

int.jour.sci.res.mana.

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This article outlines the current applications of microalgae-based technology in the three major areas of environmental engineering, which are wastewater treatment, greenhouse gas emission reduction and biomass energy. Briefly explains the mechanism of microalgae removal of pollutants and the current problems. In addition, the view that the three directions could be combined in the future research is pointed out, so as to provide a basis for microalgae to play its greatest role in the field of environment.

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Algae cathode microbial fuel cells for electricity generation and nutrient removal from landfill leachate wastewater

Cited by 85 publications

References 34 publications

A Review of Landfill Leachate Treatment by Microalgae: Current Status and Future Directions

A Review of Landfill Leachate Treatment by Microalgae: Current Status and Future Directions

Simultaneous wastewater treatment and energy harvesting in microbial fuel cells: an update on the biocatalysts

Applications of Microalgae-Based Technology in Environmental Engineering

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