Journal
JOURNAL OF WATER PROCESS ENGINEERING
Volume 49, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jwpe.2022.103023
Keywords
Heavy metal; Ultrafiltration; Nanofiltration; Reverse osmosis; Electrodialysis; Mechanisms
Funding
- National Key Research and Development Program of China [2020YFC1808002]
- National Natural Science Foundation of China [52104406]
- Natural Science Foundation of Hunan Province [2022JJ20074, 2020JJ4740]
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This review introduces the advantages of membrane separation method for heavy metal removal and summarizes the latest developments and applications of ultrafiltration, nanofiltration, reverse osmosis, and electrodialysis. The results indicate that membrane filtration methods have great potential for heavy metal removal.
The global increasing contamination of water resources with toxic heavy metals poses severe threats to human health and aqueous ecosystem. Therefore, it is of high significance to develop low-cost, feasible, and sustainable technologies for the heavy metal removal from wastewater. The membrane separation method possesses some of its great properties, such as high efficiency, easy operation and low space requirements, which has been considered as a promising method for heavy metal removal. In this review, an extensive list of various membrane methods for heavy metal removal from the literature has been compiled. This study reviews the latest developments, discoveries, and prospective applications related to ultrafiltration, nanofiltration, reverse osmosis, and electrodialysis, with an in-depth focus on heavy metal removal. Furthermore, the present review offers a summary and outlook on the opportunities and challenges in the membrane filtration field. Overall, it was found that membrane filtration methods have a promising potential for the practical applications for heavy metal removal.
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