Evaluating the performance of Microbial Desalination Cells subjected to different operating temperatures
作者： Mostafa Ragab , Abdelsalam Elawwad , Hisham Abdel-Halim
DOI: 10.1016/J.DESAL.2019.04.008
关键词:
摘要: Abstract Operational conditions have a tremendous effect on the performance of Microbial Desalination Cells (MDCs). In this study, MDCs were tested at three different temperatures zones; 45, 27 and 12 °C. Average COD removal efficiencies 78 ± 5, 80 ± 6 46 ± 10% 27, 12 °C, respectively average desalination 22.7 ± 5.8, 17.5 ± 5 9.4 ± 4.3% respectively. High columbic obtained 9.7% 45 °C 11.28% 27 °C, compared with significantly lower value 1.04% Higher correlated to rates. The increase in temperature resulted reduction internal resistance which improves desalination. maximum current densities 402, 407 31 mA/m2 recorded 12 °C attained both 45 27 °C while cell operated only achieved sustained stable densities. results microbial community qualification indicated prevalence common strains cells selective strain each zone. Scanning electron microscopy revealed colour changes distortion membranes. This study demonstrated that are adaptable function operation temperatures.
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