海水淡化
电渗析
卤水
环境科学
海水
环境工程
反渗透
废物管理
能量回收
工程类
化学
膜
地质学
生物化学
海洋学
统计
数学
有机化学
能量(信号处理)
作者
Francesco Giacalone,Antonia Filingeri,Alessandro Tamburini,Andrea Cipollina,G. Micale
出处
期刊:Desalination
[Elsevier]
日期:2024-04-01
卷期号:575: 117294-117294
被引量:1
标识
DOI:10.1016/j.desal.2024.117294
摘要
The adoption of desalination processes for the production of fresh water is one of the main solutions to water scarcity. Desalination recovers fresh water from saline solutions, yet increasing their concentration during the process and producing a brine. The latter can have an environmental impact when discharged, thus requiring suitable disposal strategies or post-treatments. Among the processes reported in the literature, in this study, electrodialysis (ED) is studied as possible technology to be coupled to a standard desalination process in order to increase the global water recovery and produce hypersaline solution for subsequent brine-mining processes for the recovery of useful minerals. The performance in terms of Specific Energy Consumption (SEC), Total Recovery Ratio (RRTOT) and Additional Levelized Cost Of Treatment (ALCOT) are assessed by considering industrial ED unit equipped with standard membranes and high-performing membranes. The influence of operating conditions such as electric voltage, electric current and solutions residence time on the performance of the system is investigated. Results reveal that, in the best conditions, a RRTOT between 55 % and 78 % is achieved with SEC in the range of 0.5–1.9 kWh·m−3P and with ALCOT in between 0.10 €·m−3P and 0.21 €·m−3P. The integration of electrodialysis into standard desalination processes improves the efficiency and the sustainability of desalination, minimizing waste (zero-liquid discharge) and increasing productivity.
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