Microbial Desalination Cells

Sharma, Swati; Hammed, Ademola Monsur; Simsek, Halis

doi:10.1002/9781119611103.ch13

Cited by 4 publications

(2 citation statements)

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“…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. Decrement in cell conductivity alternatively decrease the ohmic resistance and power density 31 . Kondaveeti et al 32 reported the ohmic loss of the MFC was related to the contact of wire, electrode distance and substrate concentration.…”

Section: Resultsmentioning

confidence: 99%

“…Decrement in cell conductivity alternatively decrease the ohmic resistance and power density. 31 Kondaveeti et al 32 reported the ohmic loss of the MFC was related to the contact of wire, electrode distance and substrate concentration. Kim et al 22 diagnosed wastewater loading rate in MFC plays a major role in power production.…”

Section: Power Generation At Different Olmentioning

confidence: 99%

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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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Section: Resultsmentioning

confidence: 99%