Electricity production from Azo dye wastewater using a microbial fuel cell coupled constructed wetland operating under different operating conditions

Fang, Zhou; Song, Hai-Liang; Cang, Ning; Li, Xianning

doi:10.1016/j.bios.2014.12.047

Cited by 234 publications

(30 citation statements)

References 32 publications

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“…This had been demonstrated in our previous study (Fang et al, 2015) and may be the reason for the decolorization rate of bottom layer was higher than the middle layer. Besides, the directly enhancements in decolorization and COD removal rates of the last sampling ports may attribute to the slow influent speed which made the fresh wastewater diluted by the wastewater in the reactors.…”

Section: The Mo Decolorization and The Cod Removalmentioning

confidence: 62%

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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Section: The Mo Decolorization and The Cod Removalmentioning

confidence: 62%

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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“…Earlier, H 2 O 2 production using NaCl was reported, which potentially be used for effluent disinfection, advanced oxidation of recalcitrant organics, and cleaning of membranes in membrane bioreactor plants . Currently, most of studies on MFCs have dealt with oxidation of pollutants and dye decolorization . The present study involves production of H 2 O 2 using NaCl as catholyte and its further application for lignin depolymerization.…”

Section: Resultsmentioning

confidence: 99%

Microbial fuel cell‐mediated lignin depolymerization: a sustainable approach

Sharma

Mukhopadhyay

Gupta

2018

J of Chemical Tech & Biotech

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BACKGROUND: A microbial electrochemical cell was designed for lignin depolymerization. Alkali-extracted wheat straw lignin was used as catholyte in a microbial fuel cell and operated for six days. At the cathode, lignin was depolymerized by H 2 O 2 , produced during microbial fuel cell operation. RESULTS: The power density reached its maximum over two to three days (0.58 W cm −2 ), and declined thereafter. Fourier transform infrared analysis of the residual lignin indicated the cleavage of C-O-C ( -O-4) bonds without disturbing the phenolic ring structure and high-power liquid chromatography analysis confirmed the presence of vanillin in the depolymerized sample. CONCLUSION: The proposed strategy involves a self-sustainable microbial electrochemical process to convert complex lignin into low molecular weight value-added aromatic chemicals such as vanillin.

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“…The maximum power density of 12.42 mW/m 2 produced from the CW-MFC planted with Ipomoea aquatica which was 142% higher than that of 5.13mW/m 2 obtained from the unplanted CW-MFC. Fang et al, (2015) reported a microbial fuel cell coupled constructed wetland system and tested it for azo dye decolorization. Doherty et al, (2015a) tested four alum sludge-based CW-MFCs for high organic and nutrient removal from swine slurry while simultaneously producing electricity.…”

Section: Introductionmentioning

confidence: 99%

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

Srivastava

Yadav

Mishra

2015

Bioresource Technology

206

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Electricity production from Azo dye wastewater using a microbial fuel cell coupled constructed wetland operating under different operating conditions

Cited by 234 publications

References 32 publications

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

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

Microbial fuel cell‐mediated lignin depolymerization: a sustainable approach

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

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