Volume 15, Issue 1 (4-2022)                   ijhe 2022, 15(1): 37-48 | Back to browse issues page

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Zazouli M A, Gholami Boroujeni F, Nadi A A, Ebrahimi A. Performance of microbial desalination cell for wastewater treatment and desalination: continuous operation mode. ijhe 2022; 15 (1) :37-48
URL: http://ijhe.tums.ac.ir/article-1-6568-en.html
1- Department of Environmental Health Engineering, Faculty of Health, Mazandaran University of Medical Sciences, Sari, Iran
2- Health Sciences Research Center, Mazandaran University of Medical Sciences, Sari, Iran
3- Department of Environmental Health Engineering, Faculty of Health, Mazandaran University of Medical Sciences, Sari, Iran , eazam63@yahoo.com
Abstract:   (731 Views)
Background and Objective: With increasing population growth and water pollution, fresh water supply sources are declining and can not meet today's human needs. Thus, energy conversion systems with high efficiency and low pollution such as desalination microbial cell have been considered. Therefore the aim of this research was to investigation the efficiency of microbial desalination cell (MDC) for desalination and treatment of salt wastewater.
Materials and Methods: To address this issue, the decision was taken to use saline synthetic wastewater with different initial salt concentrations (2, 5, 7 and 10 g/L NaCl) and, different hydraulic retention times (1, 2, 3 and 72 h) in open circuit voltage (OCV) and closed circuit voltage (CCV) continuous mode.
Results: The results showed that highest EC removal was 11.2% and 14.3% with 10 g/L NaCl in open and closed circuit mode, respectively. Maximum COD removal of 68.7% was achieved in CCV mode that was obtained at 10 g/L NaCl. Additionally, Escherichia coli, Bacillus, Enterobacter, Staphylococcus aureus, Pseudomonas and Citrobacter were diagnose as effective bacteria in decomposing wastewater.
Conclusion: The obtained results proved that MDC desalination microbial cell technology is Emerging technology that has many unknown aspects; however, it is expected to be an appropriate technique for wastewater treatment and desalination.
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Type of Study: Research | Subject: General
Received: 2021/08/22 | Accepted: 2022/04/17 | Published: 2022/06/18

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