The influence of sludge retention time on mixed culture microbial fuel cell start-ups

Mateo, Sara; D’Angelo, Adriana; Scialdone, Onofrio; Cañizares, Pablo; Rodrigo, Manuel A.; Fernández-Morales, Francisco Jesús

doi:10.1016/j.bej.2017.03.018

Cited by 18 publications

(9 citation statements)

References 41 publications

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“…Previous researches reported that some of the simple liquid substrates tested for MFCs application were such as solution with glucose (Chaudhuri and Lovley, 2003), volatile fatty acid (Daghio et al, 2015) and alcohol (Kim et al, 2007) and the common type of the complex mixture used as the feed sample for the MFC system were such as domestic wastewater (Chen et al, 2008;Dong et al, 2012;Liu et al, 2010), swine wastewater (Ding et al, 2017), agro food wastewater (Cecconet et al, 2017), artificial wastewater (He et al, 2005), synthetic wastewater (Mateo et al, 2017;Nam et al, 2010;Nandy et al, 2015), fruit processing wastewater (Abourached et al, 2016), tannery wastewater (Sawasdee and Pisutpaisal, 2016), brewery wastewater (Lu et al, 2017) and etc. MFCs application has also been tested to landfill leachate (Hassan et al, 2018).…”

Section: Mfc In Treating Spent Caustic Wastewatermentioning

confidence: 99%

Microbial Fuel Cell (Mfc) in Treating Spent Caustic Wastewater

Fazli¹,

Mutamim²,

Ali³

2018

JCEIB

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Some of the major problems encountered by the world are water pollution and natural resources depletion. One of the major factors which contribute to water pollution is insufficiently treated wastewater whereas the depletion of natural resources is due to the dependability of the fossil fuel as the main energy source. Both of these issues show the world urgently required an effective technology of wastewater treatment and energyrecovery. Microbial Fuel Cell (MFC) is a treatment method that can achieve the needs of effective treatment of wastewater and energy recovery simultaneously. As mentioned, insufficiently treated wastewater is one of the main causes which contributes to water pollution. Spent caustic wastewater is one of the industrial wastewater that is difficult to be treated, handled and disposed due to its noxious properties. Existing treatment method of treating spent caustic wastewater are limited by low efficiency. However, by applying MFCs, organic and inorganic contaminants are oxidized by biomass and produce electron that is transferred to electrode. The movement of the electron from anode to cathode generate electricity and turns MFC into a treatment method that able to provide both wastewater treatment and energy production. This article presents a review of spent caustic wastewater and its existing treatment method as well as the MFC researches in terms of its configuration and factors affecting its performance

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Section: Mfc In Treating Spent Caustic Wastewatermentioning

confidence: 99%

Microbial Fuel Cell (Mfc) in Treating Spent Caustic Wastewater

Fazli¹,

Mutamim²,

Ali³

2018

JCEIB

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“…With regard to the electrochemical performance, it must be stated that the operational conditions maintained during the process influence the steady-state power density exerted by an MFC [41][42][43].…”

Section: Introductionmentioning

confidence: 99%

The Influent Effects of Flow Rate Profile on the Performance of Microbial Fuel Cells Model

et al. 2020

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The energy contained in wastewaters has been identified as a promising sustainable energy resource that could be harvested by using microbial fuel cells (MFC). When dealing with real wastewaters, the MFCs should be able to manage high flow rates and flow rates fluctuations. In this work, the short-term effects of the influent flow rate variations on the performance of a microbial fuel cell has been studied. With this aim, the influent flow rate was stepwise increased from 0.72 to 7.2 L/d and then stepwise decreased. The obtained results indicate that, on the one hand, an increase in the influent flow rate leads to higher chemical oxygen demand removal rates up to 396 g/(L/d) and higher electric power generation almost 18 mW/m2, but to lower coulombic efficiencies. On the other hand, the reduction of the flow rate increases the coulombic efficiencies, as well as the percentage of chemical oxygen demand removed, but decreases electric power generation. In the short-term, the exposition to higher influent flow rates causes the growth of the microbial population of the MFC, the growth of the non-electrogenic microorganisms being higher than that of the electrogenic ones. The higher growth of non-electrogenic microorganisms may lead to lower coulombic efficiencies.

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“…The literature has described the influence of the main parameters affecting the performance of a MFC. These parameters include the design and configuration of the MFC, the external resistance, inoculation, carbon source, operational temperature, loading rate and sludge age . Usually, high performance is linked to high coulombic efficiencies (CE), high surface to volume (S/V) ratio and low internal resistances .…”

Section: Introductionmentioning

confidence: 99%

Biofilm and planktonic population distribution. Key aspects in carbonaceous anodes for microbial fuel cells

Mateo

Cañizares

Rodrigo

et al. 2018

J of Chemical Tech & Biotech

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BACKGROUND: A comparison between different carbon-based anodes used in microbial fuel cells (MFCs) has been carried out.Five different carbonaceous anodes were studied: carbon paper, carbon cloth, carbon foam 30 ppi, carbon foam 80 ppi and carbon felt. RESULTS:The current density generated was higher for the MFCs with porous anodes compared with the flat ones, generating up to 14.5 A m −2 . However, when the superficial surface was higher than 7500 m 2 m −2 the performance did not increase further due to microorganisms transport and mass transfer limitations. Regarding the biochemical performance, a linear relationship between the generated current density and the coulombic efficiency was found. This relationship indicates selection of the electrogenic microbial population when the superficial surface increases. From Illumina MiSeq analyses, it was observed that Shewanella population in the biofilm was c. 14%, while its population was negligible in the planktonic culture. This population distribution can be explained by the low growth rate of the Shewanella.CONCLUSIONS: These results demonstrate that the main driving force of the carbonaceous materials performance is the ease of biofilm formation and subsequent population selection, but not on specific electronic properties of the carbon materials.

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The influence of sludge retention time on mixed culture microbial fuel cell start-ups

Cited by 18 publications

References 41 publications

Microbial Fuel Cell (Mfc) in Treating Spent Caustic Wastewater

Microbial Fuel Cell (Mfc) in Treating Spent Caustic Wastewater

The Influent Effects of Flow Rate Profile on the Performance of Microbial Fuel Cells Model

Biofilm and planktonic population distribution. Key aspects in carbonaceous anodes for microbial fuel cells

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