The effects of microbial fuel cell integration into constructed wetland on the performance of constructed wetland

Srivastava, Pratiksha; Yadav, Asheesh Kumar; Mishra, B.K.

doi:10.1016/j.biortech.2015.05.072

Cited by 208 publications

(50 citation statements)

References 29 publications

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“…The low CEs indicate that the majority of organic matter was removed by methanogens or other microbes, instead of by the anodophilic bacteria. The CEs of the BA-AC-CW-MFC declined with increased influent OLR, which is consistent with the results of previous studies on CW-MFCs [16,17]. Comprehensive considerations of the material and configuration of the reactor, type and concentration of the feed, operating mode (batch or continuous), wetland plant species, and hydraulic retention time, etc., are necessary to acquire optimal CEs and power densities.…”

Section: Combined Effects Of Influent Olrs and Electrode Locations Onsupporting

confidence: 90%

“…Improving the power density not only helps recycle more electrical energy from the wastewater, but also may promote the removal of contaminants. However, the value is still low (<60 mW m 22 ) [14], and in consequence much effort has been made to improve the system output of CW-MFCs, including optimization of flow regimes, influent COD concentrations, and electrode materials and configurations [6,[14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

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Effects of influent organic loading rates and electrode locations on the electrogenesis capacity of constructed wetland‐microbial fuel cell systems

Xiao

et al. 2016

Env Prog and Sustain Energy

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Three novel constructed wetland‐microbial fuel cells (CW‐MFCs), based on electrode location, were developed for wastewater treatment and sustainable electricity production by embedding a MFC into a CW system. In the three CW‐MFCs, electrodes were placed in different locations, including bottom anode‐rhizosphere cathode CW‐MFC (BA‐RC‐CW‐MFC), rhizosphere anode‐air cathode CW‐MFC (RA‐AC‐CW‐MFC), and bottom anode‐air cathode CW‐MFC (BA‐AC‐CW‐MFC), to investigate the combined effects of organic loading rates (OLRs) and reactor configurations on the electrogenesis capacity of the hybrid system. All the systems operated continuously to treat five types of synthetic wastewater with increasing OLRs: 9.2, 18.4, 27.6, 55.2, and 92.0 g chemical oxygen demand (COD) m−2 d−1. The BA‐RC‐CW‐MFC failed to produce electricity at any OLR, whereas the maximum power densities of 0.79 ± 0.01 and 10.77 ± 0.52 mW m−2 were achieved in the RA‐AC‐CW‐MFC with 18.4 g COD m−2 d−1 influent OLR and in the BA‐AC‐CW‐MFC with 27.6 g COD m−2 d−1 influent OLR, respectively. The coulombic efficiencies of the RA‐AC‐CW‐MFC and BA‐AC‐CW‐MFC decreased gradually with the increase in influent OLRs. © 2016 American Institute of Chemical Engineers Environ Prog, 36: 435–441, 2017

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Section: Combined Effects Of Influent Olrs and Electrode Locations Onsupporting

confidence: 90%

Section: Introductionmentioning

confidence: 99%

Effects of influent organic loading rates and electrode locations on the electrogenesis capacity of constructed wetland‐microbial fuel cell systems

Xiao

et al. 2016

Env Prog and Sustain Energy

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“…The decolorization rate and the COD removal rate in the anode layer of the closed-circuit CW-MFC were higher than the open-circuit CW-MFC. Research suggested that the electric field of closed-circuit CW-MFC can promote organics degradation by changing the physiological characteristics of microorganism (Bencheikh-Latmani et al, 2005;Ringeisen et al, 2006;Srivastava et al, 2015), and promote the reduction reaction by increase the number of electrons (Sun et al, 2009). To realize the azo dye decolorization in the MFCs, there must be two essential conditions.…”

Section: The Mo Decolorization and The Cod Removalmentioning

confidence: 98%

“…In recent years MFCs have been embedding into sediments and wetlands to treat wastewater and becoming a kind of new technology . Shrivastava et al (Srivastava et al, 2015) had reported a kind of wetland MFC for wastewater treatment.…”

Section: Introductionmentioning

confidence: 99%

A microbial fuel cell-coupled constructed wetland promotes degradation of azo dye decolorization products

Fang

Song

et al. 2016

Ecological Engineering

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a b s t r a c tMicrobial fuel cell coupled constructed wetland (CW-MFC) was constructed for azo dye decolorization and further degradation. Methyl Orange (MO) was chosen as the model azo dye due to the simple decolorization products. The decolorization products were analyzed qualitatively via GC-MS and the N,NDimethyl-p-phenylenediamine (DMPD) was chosen as one of the MO decolorization products to study the further degradation performance of decolorization products in the CW-MFC. 1,4-Benzenediamine, N-methyl-and p-Phenylenediamine (PPD) was another intermediate product of MO decolorization. Electrical characteristics of CW-MFC were studied to evaluate the interplay between the azo dye degradation and the electricity generation. The MO decolorization rate of open and closed-circuit CW-MFC were 75.59% and 87.60%, respectively, while the DMPD degradation rate in the anode layer of open and closedcircuit CW-MFC were 84.96% and 96.33%, respectively. In the anode layer, suitable anode materials can promote the further degradation of azo dye degradation products, while in the cathode layer, close current promoted the further degradation of the decolorization products.

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“…Biological systems (usually microbial cultures) either donate electrons at the anode or capture them at the cathode. Simultaneously, they degrade enormous variety of substrates including agricultural wastes [10], sewage [11], natural water sources [12], landfill leachate [13] and other lowgrade carbon sources for the recovery of energy and other products. Two prevalent technologies in BES are microbial fuel cells (MFCs) and microbial electrolytic cells (MECs).…”

Section: Introductionmentioning

confidence: 99%

Microbial Fuel Cells as Alternate Source of Energy: Research, Advancements and Future Prospects in Indian Scenario

Basheer¹,

Suma²,

Sreelekshmy³

et al. 2017

Asian J. Chem.

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Today, the world is on the verge of transformation from fossil fuels to alternative and sustainable renewable sources due to many reasons. Many plausible technologies have been developed of which, energy from biomass and biowaste is a widely accepted choice. In India too, the fuel crisis is imminent and renewable fuel sources are being developed on a large scale to meet energy requirements. However, generation of electricity from biomass and biowaste is a rather unconventional method which is less exploited. The technology that possesses immense future prospective requires collaboration of expertise from various disciplines of science. Here we present a comprehensive view of developments and novel approaches in microbial fuel cell research in Indian scenario in the backdrop of the developments on a global scale. Though the research outputs in India in terms of power density is in par with that on global scale, we lag behind in bringing a collaborative approach.

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The effects of microbial fuel cell integration into constructed wetland on the performance of constructed wetland

Cited by 208 publications

References 29 publications

Effects of influent organic loading rates and electrode locations on the electrogenesis capacity of constructed wetland‐microbial fuel cell systems

Effects of influent organic loading rates and electrode locations on the electrogenesis capacity of constructed wetland‐microbial fuel cell systems

A microbial fuel cell-coupled constructed wetland promotes degradation of azo dye decolorization products

Microbial Fuel Cells as Alternate Source of Energy: Research, Advancements and Future Prospects in Indian Scenario

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