Comparative evaluation of Pseudomonas species in single chamber microbial fuel cell with manganese coated cathode for reactive azo dye removal

Ilamathi, R.; Sheela, A. Merline; Gandhi, N. Nagendra

doi:10.1016/j.ibiod.2019.104744

Cited by 50 publications

(18 citation statements)

References 51 publications

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“…No obstante, estas estrategias presentan limitaciones por el uso intensivo de químicos, generación de desechos y elevado costo [28]. Los tratamientos biológicos se han popularizado, pues representan menores efectos nocivos sobre el ambiente y una relación costo-efectividad más beneficiosa [29], [30].…”

Section: Aplicaciones Biotecnológicas De Los Hongos Xilófagos Hongos ...unclassified

Aplicaciones biotecnológicas de la degradación bioquímica de madera por acción de hongos Xilófagos: pudrición parda y blanca

Mena-Morales

Morales-Rodríguez²,

Vargas-Venegas³

et al. 2022

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Entre los factores bióticos con habilidad para degradar la madera se encuentran los hongos xilófagos. Estos organismos se clasifican según las preferencias de sustrato de crecimiento y sus patrones de descomposición de la madera; sobresaliendo aquellos causantes de las podredumbres blanca y parda o marrón. La principal diferencia entre ellos reside en su mecanismo de degradación, pues la podredumbre blanca se basa en la hidrólisis enzimática; mientras que la podredumbre marrón realiza una modificación de la lignina mediante la química de Fenton y especies reactivas de oxígeno, para llevar a cabo una posterior hidrólisis enzimática. Tanto la pudrición blanca como la parda poseen valiosas aplicaciones biotecnológicas en cuanto a biorremediación. Entre ellas sobresalen el manejo de desechos, degradación de químicos persistentes en el ambiente, remoción de metales tóxicos, entre otros.

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Section: Aplicaciones Biotecnológicas De Los Hongos Xilófagos Hongos ...unclassified

Aplicaciones biotecnológicas de la degradación bioquímica de madera por acción de hongos Xilófagos: pudrición parda y blanca

Mena-Morales

Morales-Rodríguez²,

Vargas-Venegas³

et al. 2022

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“…Ilamathi et al, 2019 [17] reported that the presence of P. aeruginosa bio lm on electrode surface strongly improved the redox behaviour when compared to uncolonized electrodes. From the SEM analysis (Fig.…”

Section: Bacterial Adhesion On Anodementioning

confidence: 99%

“…For the improved dye degradation e ciency with power production, secondary metabolites of Pseudomonas sp. can work as redox mediator in MFCs [17] . Considering all these points, this study was designed to investigate the e ciency of Pseudomonas aeruginosa for dye decolorization with electricity generation in an MFC system.…”

Section: Introductionmentioning

confidence: 99%

Decolorization of Congo red in Microbial Fuel Cell

Kumari

Sheela

Ilamathi

2021

Preprint

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In this research, three individual conditions (static, shaking and MFC) were tested for Congo Red decolorization. P.aeruginosa MTCC 2582 has showed 96.1% decolourization under MFC condition with 85% COD reduction for the dye (100 µM). Microbial fuel cell of P.aeruginosa can discharge the dual duty of degrading the recalcitrant dye with power generation. To understand the influence the growth curve, different substrate concentration of glucose (0-20 g/L) were selected to improve the performance of MFC. Results show that a larger open circuit potential of 0.691 V and a maximum power density of 1.9 mW m-2 was possessed for the degradation of 100 µM of dye at 10 g/L of glucose concentration. Further, the selection of optimum concentration of dye (200 µM) increased the open circuit potential to 0.844 V. The degraded metabolites were confirmed using UV-Vis and FTIR analysis. Biofilm formation on anode at optimal glucose concentration was studied by using SEM analysis.

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“…Some exoelectrogenic strains in the Pseudomonas genus have been isolated and characterized, such as P. aeruginosa PAO1 [24], P. otitidis AATB4 [25], P. monteilii LZU-3 [26], P. sp. C27 [27], P. alcaliphila MBR [28], P. putida ATCC 49128, and P. fluorescens MTCC 2269 [29,30]. Pseudomonas sp.…”

Section: Identification Of the Isolated Strainmentioning

confidence: 99%

Recovery of Metals from Acid Mine Drainage by Bioelectrochemical System Inoculated with a Novel Exoelectrogen, Pseudomonas sp. E8

Hou

Zhang

et al. 2019

Microorganisms

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Acid mine drainage (AMD) is a typical source of environmental pollution ascribing to its characteristics of high acidity and heavy metal content. Currently, most strategies for AMD treatment merely focus on metal removal rather than metal recovery. However, bioelectrochemical system (BES) is a promising technology to simultaneously remove and recover metal ions from AMD. In this study, both cupric ion and cadmium ion in simulated AMD were effectively recovered by BES inoculated with a novel exoelectrogen, Pseudomonas sp. E8, that was first isolated from the anodic electroactive biofilm of a microbial fuel cell (MFC) in this study. Pseudomonas sp. E8 is a facultative anaerobic bacterium with a rod shape, 0.43–0.47 μm wide, and 1.10–1.30 μm long. Pseudomonas sp. E8 can agglomerate on the anode surface to form a biofilm in the single-chamber MFC using diluted Luria-Bertani (LB) medium as an energy substrate. A single-chamber MFC containing the electroactive Pseudomonas sp. E8 biofilms has a maximum output voltage of 191 mV and a maximum power density of 70.40 mW/m2, which is much higher than those obtained by most other exoelectrogenic strains in the genus of Pseudomonas. Almost all the Cu2+ (99.95% ± 0.09%) and Cd2+ (99.86% ± 0.04%) in simulated AMD were selectively recovered by a microbial fuel cell (MFC) and a microbial electrolysis cell (MEC). After the treatment with BES, the high concentrations of Cu2+(184.78 mg/L), Cd2+(132.25 mg/L), and total iron (49.87 mg/L) in simulated AMD were decreased to 0.02, 0.19, and 0 mg/L, respectively. Scanning electron micrograph (SEM), energy dispersive X-ray spectrometry (EDXS) and X-ray diffraction (XRD) analysis indicate that the Cu2+ and Cd2+ in simulated AMD were selectively recovered by microbial electrochemical reduction as Cu0 (together with trace amounts of Cu2O) or Cd0 on the cathode surface. Collectively, data suggest that Pseudomonas sp. E8 has great potential for AMD treatment and metal recovery.

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Comparative evaluation of Pseudomonas species in single chamber microbial fuel cell with manganese coated cathode for reactive azo dye removal

Cited by 50 publications

References 51 publications

Aplicaciones biotecnológicas de la degradación bioquímica de madera por acción de hongos Xilófagos: pudrición parda y blanca

Aplicaciones biotecnológicas de la degradación bioquímica de madera por acción de hongos Xilófagos: pudrición parda y blanca

Decolorization of Congo red in Microbial Fuel Cell

Recovery of Metals from Acid Mine Drainage by Bioelectrochemical System Inoculated with a Novel Exoelectrogen, Pseudomonas sp. E8

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