Treatment of seafood processing wastewater using upflow microbial fuel cell for power generation and identification of bacterial community in anodic biofilm

Jayashree, C.; Tamilarasan, K.; Rajkumar, M.; Arulazhagan, P.; Yogalakshmi, K.N.; Srikanth, M.; Banu, J. Rajesh

doi:10.1016/j.jenvman.2016.05.050

Cited by 117 publications

(27 citation statements)

References 34 publications

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“…3(a)). It was similar to 1.10 W/m 3 for real field dairy wastewater [14], 2.19 W/m 3 for animal carcass wastewater [15], and 2.21 W/m 3 for sea food processing wastewater as fuel [16], but it was smaller than 8.0 W/m 3 for real dye wastewater [17]. Moreover, the R int was determined as 109.95 ± 3.95 Ω (Fig.…”

Section: Voltage Outputsupporting

confidence: 59%

Electric power generation from treatment of food waste leachate using microbial fuel cell

Wang

Lim

2016

Environmental Engineering Research

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The volume of the air-diffusion cathode MFC was 234 mL (6.5 cm × 6 cm × 6 cm), with an effective volume of 200 mL (Fig. 1).Environ. Eng. Res. 2017; 22(2): 157-161 pISSN 1226-1025 https://doi. ABSTRACTSimultaneous treatment of food waste leachate and power generation was investigated in an air-cathode microbial fuel cell. A TCOD removal efficiency of 95.4 ± 0.3% was achieved for an initial COD concentration of 2,860 mg/L. Maximum power density ranged was maximized at 1.86 W/m 3 , when COD concentration varied between 60 mg/L and 2,860 mg/L. Meanwhile, columbic efficiency was determined between 1.76% and 11.07% for different COD concentrations. Cyclic voltammetric data revealed that the oxidation peak voltage occurred at -0.20 V, shifted to about -0.25 V. Moreover, a reduction peak voltage at -0.45 V appeared when organic matters were exhausted, indicating that reducible matters were produced during the decomposition of organic matters. The results showed that it was feasible to use food waste leachate as a fuel for power generation in a microbial fuel cell, and the treatment efficiency of the wastewater was satisfied.

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Section: Voltage Outputsupporting

confidence: 59%

Electric power generation from treatment of food waste leachate using microbial fuel cell

Wang

Lim

2016

Environmental Engineering Research

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“…ACMFC loaded with initial OL of 0.5 gCOD/L recorded 745 ± 20 mV with respective power density of 310 mW/m 2 ( Figure 4A Figure 4B). The power density of 530 ± 15 mW/m 2 recorded at 1.25 gCOD/L was five times higher than the previous study on sea food industrial wastewater in upflow MFC by Jayashree et al 26 The gradual decrease in power density (250 mW/m 2 ) at high OL (1.5 gCOD/L) in ACMFC was due to imbalanced nutritional consumption (feeding nutrients more than the consumption) rate of the microorganisms leads to substrate inhibition and reduce electron transfer rate. 30 Scale formation in the electrode region is due to the accumulation of salts and minerals (calcium and magnesium) which suppress the bacterial cell conductivity of salt water.…”

Section: Power Generation At Different Olcontrasting

confidence: 58%

“…Hasty stabilization at higher resistance and slow stabilization at lower resistance was witnessed as a conventional pattern in MFC following the removal of external load. 26 The microorganisms inside the ACMFC recorded constant low voltage production during the acclimatization phase. The reason behind the slow power production was the organisms first adopt to the new environmental conditions and starts utilization of organic substrate for constant power production.…”

Section: Power Generation At Different Olmentioning

confidence: 99%

Treatment of seafood industrial wastewater coupled with electricity production using air cathode microbial fuel cell under saline condition

et al. 2020

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The present study investigated seafood industrial wastewater treatment with corresponding power generation in air cathode microbial fuel cell under saline condition (40 g/L). The results recorded total chemical oxygen demand) removal of 52 ± 1.8%, 64 ± 1.1%, 85 ± 1.2%, 89 ± 1.4%, and 76 ± 1.2% to the corresponding organic load (OL) of 0.5, 0.75, 1, 1.25, and 1.5 gCOD/L under saline condition. Soluble chemical oxygen demand reduction was in the range of 46% to 78% at OL of 0.5 to 1.5 gCOD/L. The maximum power density (530 ± 15 mW/m 2) and coulombic efficiency (52 ± 2.4%) was procured at the OL of 1.25 and 0.5 gCOD/L, respectively. Total suspended solids removal was 74 ± 1.5% at OL of 1.25 gCOD/L and 64 ± 1.3% at OL 1.5 gCOD/L. Bacterial community analysis for anode region samples for OL 0.5 and 1 gCOD/L was extensively dominated by Bacillus (MN880233) with 75.8% and 55.8%, respectively. Interestingly at 1.25 gCOD/L OL, Rhodococcus (MN880237) was predominant (42.3%) strain in the anode region and recorded high power production under saline condition. Sludge samples subjected to phylogenetic analysis explored the dominance of Clostridium, Turicibacter, and Marinobacter at different OL from 0.5 to 1.5 gCOD/L. Bacterial community results at 1.25 gCOD/L of OL sludge samples revealed completely different strains of dominancy in the community. Marinobacter (53.3%), Ochrobactrum (19.3%), and Bacillus (8.1%). Thus, the phylogenetic analysis of the anodic and sludge samples clearly detailed the presence of halophilic bacterial strains with high potential to treat seafood processing industrial wastewater and excellent exoelectrogenic activity for power production.

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“…Microbial electrolysis cell (MEC) is an emerging technique to degrade the bio-refractory wastewater via a combination of microorganisms and electrochemistry (Goglio et al, 2019). Recently, MEC showed a good performance for the treatment of recalcitrant wastewaters like molasses wastewater (Sevda et al, 2013), biodiesel wastewater (Feng et al, 2011), textile wastewater (Nor et al, 2015), seafood processing wastewater (Jayashree et al, 2016), etc. Moreover, when a complex biorefinery (pyrolysis) stream or de-oiled wastewaters were used as the substrates of MECs, the COD removal rate could reach up to 79% (Ren et al, 2013;Lewis and Borole, 2016).…”

Section: Introductionmentioning

confidence: 99%

Efficient Treatment of Wood Vinegar via Microbial Electrolysis Cell With the Anode of Different Pyrolysis Biochars

et al. 2020

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Microbial electrolysis cell (MEC) has emerged as the promising technology for COD removal as well as bioenergy recovery during the treatment of bio-refractory wastewaters. This study mainly focused on wood vinegar (the by-product from biomass pyrolysis) treatment via MEC technology with two typical biochars (coconut shell biochar and shrub biochar) as the carriers of microorganisms in anode chamber. Results indicated that MECs with coconut shell biochar had an obvious beneficial effect for treating wood vinegar, with COD removal reached up to 71.4%. GC-MS analysis showed that furfurals present in the wood vinegar were thoroughly degraded after MEC treatment. One interesting finding is that hydrocarbons accounted for a large portion of the compounds in the effluent, which may be the comprehensive result of complex organic reactions, including decarboxylation reactions, dehydration reaction, etc. The dominant microbial populations in MEC with biochar anode mainly included Geobacter, Macellibacteroides, Oscillibacter, Sedimentibacter, Comamonas, and Lachnoclostridium. This study demonstrated that pyrolysis biochar could be incorporated as a high-efficiency MEC anode material, and MECs with the inclusion of biochar could provide a feasible way for the treatment of recalcitrant wood vinegar.

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Treatment of seafood processing wastewater using upflow microbial fuel cell for power generation and identification of bacterial community in anodic biofilm

Cited by 117 publications

References 34 publications

Electric power generation from treatment of food waste leachate using microbial fuel cell

Electric power generation from treatment of food waste leachate using microbial fuel cell

Treatment of seafood industrial wastewater coupled with electricity production using air cathode microbial fuel cell under saline condition

Efficient Treatment of Wood Vinegar via Microbial Electrolysis Cell With the Anode of Different Pyrolysis Biochars

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