Research progress on microbial desalination cell with high desalination efficiency
Microbial desalination cell(MDC)is an emerging green and sustainable energy recycling technology,which utilizes microbial extracellular respiration to simultaneously achieve desalination,electricity generation and degradation of organic pollutants.Herein,the energy consumption and limitations of conventional energy-intensive desalination techniques(thermal concentration and membrane processes)were summarized.The operation mechanism,coupling systems and sustainable development influencing factors of MDC were then introduced,with an emphasis on the collaborative efficient treatment of wastewater by multiple MDC coupled technologies and the challenges for sustainable development.Finally,the future strategies were discussed from the perspective of MDC in efficient,sustainable and low-carbon wastewater treatment,saltwater desalination and energy/resource recovery.
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