Microbial fuel cells for azo dye treatment with electricity generation: A review

Solanki, Komal; Subramanian, Sindhu; Basu, Suddhasatwa

doi:10.1016/j.biortech.2012.12.063

Cited by 190 publications

(67 citation statements)

References 47 publications

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“…Based on the great interest in exploring alternative technologies to face the huge discharge of the high toxic compound-laden wastewater, development of cost-effective BES configuration with the high applicable potential (Solanki et al, 2013) and energy reservation characteristic is in urgent need (Chen et al, 2010;Sun et al, 2009). In this study, a novel system, application-oriented horizontal continuous-flow PFB-BER was designed as the simulated modified biological treatment unit in sewage treatment plant.…”

Section: Discussionmentioning

confidence: 99%

“…It is estimated that between 2% and as much as 50% of different kinds of dyes would be discharged along with wastewater eventually (Tan et al, 1999), resulted in a series of environmental, ecological and aesthetic problems. Most of azo dyes are toxic, mutagenic and persistent to biodegradation, therefore, the efficient and applicable technology is in urgent need for the effective control of azo dyes contamination (Ayed et al, 2011;Solanki et al, 2013). Most of azo dyes are resistant to aerobic microbial degradation, while the azo dye could be reduced to aromatic amines under the anaerobic environment.…”

Section: Introductionmentioning

confidence: 99%

“…Recently, bioelectrochemical systems (BESs) have emerged great advantages in dealing with desalination, decolorization and heavy metals with the higher efficiency (Solanki et al, 2013). Several studies have reported the reductive decolorization of azo dyes by the quick cleavage of azo bonds in either traditional dual-chamber BESs Kong et al, 2014Kong et al, , 2013Liu et al, 2009;Mu et al, 2009;Sun et al, 2011) or BESs with the improved configurations (Cui et al, 2012;Hou et al, 2011;Sun et al, 2013;Wang et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

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A horizontal plug-flow baffled bioelectrocatalyzed reactor for the reductive decolorization of Alizarin Yellow R

Sun

Wang

et al. 2015

Bioresource Technology

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h i g h l i g h t sA plug-flow baffled bioelectrocatalyzed reactor (PFB-BER) was constructed. Membrane-less design of PFB-BER resulted in a low internal resistance. Effects with different HRT and number of electrode assembly were evaluated. PFB-BER showed superior Alizarin Yellow R (AYR) decolorization performance. a r t i c l e i n f o t r a c tAn application-oriented membrane-free, continuous plug-flow baffled bioelectrocatalyzed reactor (PFB-BER), was designed and testified for the decolorization of Alizarin Yellow R. Decolorization efficiency (DE) with an external power source of 0.5 V was higher than without electrolysis, i.e. 93.4% versus 73.6% (HRT of 24 h). Product formation efficiencies of p-phenylenediamine and 5-aminosalicylic acid were above 95% and 50%, respectively. When HRT decreased to 8 h and 4 h, DE reduced to 69.9% and 44.9%, respectively. An additional electrode assembly improved DE to 96.4% (HRT of 8 h) and 80% (HRT of 4 h), while energy consumption (HRT of 4 h) was lower than that of HRT of 12 h with single electrode assembly under comparable DE. The PFB-BER with higher removal capacity, lower internal resistance and energy consumption provides a new solution to treat the high loading azo dye-containing wastewaters.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A horizontal plug-flow baffled bioelectrocatalyzed reactor for the reductive decolorization of Alizarin Yellow R

Sun

Wang

et al. 2015

Bioresource Technology

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“…In the recent years, He et al (2017), Kumar et al (2016), Hernandez-Fernandez et al (2015), He et al (2015), and Solanki et al (2013) provided detailed and prolific reviews with thorough implications of microbial fuel cell (MFC) for wastewater treatment, bioenergy production, azo dye treatment, selection of electron acceptors, and exoelectrogens transfer, respectively. The concept of exoelectrogens of two dissimilatory metal reducing genera as electroactive bacteria (e.g., genomics, proteomics, and metabolomics of nanowire-generating Shewanella and Geobacter spp.…”

Section: Glimpse Of Microbial Fuel Cellsmentioning

confidence: 99%

“…To effectively biodegrade such pollutants, fungi, yeast, bacteria, algae, and plants were mentioned to be used (Saratale et al 2011). Moreover, with electrontransfer-assisted treatment for green sustainability alternatives to combine with perspectives of dye degradation and energy/material recycling were recently suggested (Solanki et al 2013). Azo dyes should be first anaerobically reduced to form aromatic amines.…”

Section: Introductionmentioning

confidence: 99%

Electron transport phenomena of electroactive bacteria in microbial fuel cells: a review of Proteus hauseri

Hsueh

Chen

2017

Bioresour. Bioprocess.

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This review tended to decipher the expression of electron transfer capability (e.g., biofilm formation, electron shuttles, swarming motility, dye decolorization, bioelectricity generation) to microbial fuel cells (MFCs). As mixed culture were known to perform better than pure microbial cultures for optimal expression of electrochemically stable activities to pollutant degradation and bioenergy recycling, Proteus hauseri isolated as a "keystone species" to maintain such ecologically stable potential for power generation in MFCs was characterized. P. hauseri expressed outstanding performance of electron transfer (ET)-associated characteristics [e.g., reductive decolorization (RD) and bioelectricity generation (BG)] for electrochemically steered bioremediation even though it is not a nanowire-generating bacterium. This review tended to uncover taxonomic classification, genetic or genomic characteristics, enzymatic functions, and bioelectricity-generating capabilities of Proteus spp. with perspectives for electrochemical practicability. As a matter of fact, using MFCs as a tool to evaluate ET capabilities, dye decolorizer(s) could clearly express excellent performance of simultaneous bioelectricity generation and reductive decolorization (SBG and RD) due to feedback catalysis of residual decolorized metabolites (DMs) as electron shuttles (ESs). Moreover, the presence of reduced intermediates of nitroaromatics or DMs as ESs could synergistically augment efficiency of reductive decolorization and power generation. With swarming mobility, P. hauseri could own significant biofilm-forming capability to sustain ecologically stable consortia for RD and BG. This mini-review evidently provided lost episodes of great significance about bioenergysteered applications in myriads of fields (e.g., biodegradation, biorefinery, and electro-fermentation). Keywords

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Microbial Remediation Cell

Ahmad,

Priyadarshini,

Ghangrekar

2023

Microbial Electrochemical Technologies

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Microbial fuel cells for azo dye treatment with electricity generation: A review

Cited by 190 publications

References 47 publications

A horizontal plug-flow baffled bioelectrocatalyzed reactor for the reductive decolorization of Alizarin Yellow R

A horizontal plug-flow baffled bioelectrocatalyzed reactor for the reductive decolorization of Alizarin Yellow R

Electron transport phenomena of electroactive bacteria in microbial fuel cells: a review of Proteus hauseri

Microbial Remediation Cell

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