NDLI: Concurrent Phosphorus Recovery and Energy Generation in Mediator-Less Dual Chamber Microbial Fuel Cells: Mechanisms and Influencing Factors

Content Provider	PubMed Central
Author	Abdullah, Almatouq Babatunde, Akintunde O.
Editor	Rao, Bhamidiammarri
Copyright Year	2016
Abstract	This study investigated the mechanism and key factors influencing concurrent phosphorus (P) recovery and energy generation in microbial fuel cells (MFC) during wastewater treatment. Using a mediator-less dual chamber microbial fuel cell operated for 120 days; P was shown to precipitate as struvite when ammonium and magnesium chloride solutions were added to the cathode chamber. Monitoring data for chemical oxygen demand (COD), pH, oxidation reduction potential (ORP) and aeration flow rate showed that a maximum 38% P recovery was achieved; and this corresponds to 1.5 g/L, pH > 8, −550 ± 10 mV and 50 mL/min respectively, for COD, pHcathode, ORP and cathode aeration flow rate. More importantly, COD and aeration flow rate were shown to be the key influencing factors for the P recovery and energy generation. Results further show that the maximum P recovery corresponds to 72 mW/m2 power density. However, the energy generated at maximum P recovery was not the optimum; this shows that whilst P recovery and energy generation can be concurrently achieved in a microbial fuel cell, neither can be at the optimal value.
Related Links	http://dx.doi.org/10.3390/ijerph13040375
Starting Page	375
File Format	PDF
ISSN	16604601
e-ISSN	16604601
Journal	International Journal of Environmental Research and Public Health
Issue Number	4
Volume Number	13
Language	English
Publisher	MDPI
Publisher Date	2016-03-01
Access Restriction	Open
Rights Holder	MDPI
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Health, Toxicology and Mutagenesis Pollution Public Health, Environmental and Occupational Health

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Concurrent Phosphorus Recovery and Energy Generation in Mediator-Less Dual Chamber Microbial Fuel Cells: Mechanisms and Influencing Factors

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