Membrane capacitive deionization (MCDI) for selective ion separation and recovery: Fundamentals, challenges, and opportunities

IF 8.4 1区工程技术 Q1 ENGINEERING, CHEMICAL

Journal of Membrane Science Pub Date : 2024-03-11 DOI:10.1016/j.memsci.2024.122650

Qian Xiao , Jinxing Ma , Longqian Xu , Kuichang Zuo , Hao Guo , Chuyang Y. Tang

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Abstract

Membrane capacitive deionization (MCDI) has attracted much attention to selective separation and recovery of various ionic species due to its simplicity, environmental friendliness, excellent removal efficiency, and low energy consumption. However, there have been very few review papers focusing on the challenges and opportunities in this field. Therefore, this review comprehensively summarizes the basic principles and significant development of MCDI processes. The potential applications of MCDI processes in selective separation and recovery of ionic species, e.g., heavy metal removal, water softening, desalination, selective anion decontamination, and resource recovery, are highlighted and benchmarked using various performance indicators. In addition, challenges and novel countermeasures of MCDI processes are further summarized. Future research needs for MCDI processes to reach full-scale potential in practical water treatment are suggested accordingly. This review will provide a solid basis to guide the future development of MCDI-based water treatment technology.

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用于选择性离子分离和回收的膜电容去离子技术（MCDI）：基本原理、挑战与机遇

膜电容去离子法（MCDI）因其操作简单、环境友好、去除效率高和能耗低等优点，在选择性分离和回收各种离子物种方面备受关注。然而，很少有综述论文关注这一领域的挑战和机遇。因此，本综述全面总结了 MCDI 工艺的基本原理和重要发展。重点介绍了 MCDI 工艺在选择性分离和回收离子物种方面的潜在应用，例如重金属去除、水软化、海水淡化、选择性阴离子去污和资源回收，并使用各种性能指标对其进行了基准测试。此外，还进一步总结了 MCDI 工艺面临的挑战和新型对策。相应地提出了未来的研究需求，以充分发挥 MCDI 工艺在实际水处理中的潜力。本综述将为指导基于 MCDI 的水处理技术的未来发展提供坚实的基础。

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来源期刊

Journal of Membrane Science 工程技术-高分子科学

CiteScore

17.10

自引率

17.90%

发文量

1031

审稿时长

2.5 months

期刊介绍： The Journal of Membrane Science is a publication that focuses on membrane systems and is aimed at academic and industrial chemists, chemical engineers, materials scientists, and membranologists. It publishes original research and reviews on various aspects of membrane transport, membrane formation/structure, fouling, module/process design, and processes/applications. The journal primarily focuses on the structure, function, and performance of non-biological membranes but also includes papers that relate to biological membranes. The Journal of Membrane Science publishes Full Text Papers, State-of-the-Art Reviews, Letters to the Editor, and Perspectives.