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Review

A Review on Promising Membrane Technology Approaches for Heavy Metal Removal from Water and Wastewater to Solve Water Crisis

1
Chemistry Department, Faculty of Science, Alexandria University, Alexandria 21526, Egypt
2
Department of Chemistry, College of Science, Qassim University, Qassim 52571, Saudi Arabia
3
Arab Academy for Science, Technology and Maritime Transport, Alexandria 1029, Egypt
*
Author to whom correspondence should be addressed.
Academic Editor: Jesus Gonzalez-Lopez
Water 2021, 13(22), 3241; https://doi.org/10.3390/w13223241
Received: 1 September 2021 / Revised: 16 October 2021 / Accepted: 19 October 2021 / Published: 16 November 2021
(This article belongs to the Section Water Use and Scarcity)
Due to the impacts of water scarcity, the world is looking at all possible solutions for decreasing the over-exploitation of finite freshwater resources. Wastewater is one of the most reliable and accessible water supplies. As the population expands, so do industrial, agricultural, and household operations in order to meet man’s enormous demands. These operations generate huge amounts of wastewater, which may be recovered and used for a variety of reasons. Conventional wastewater treatment techniques have had some success in treating effluents for discharge throughout the years. However, advances in wastewater treatment techniques are required to make treated wastewater suitable for industrial, agricultural, and household use. Diverse techniques for removing heavy metal ions from various water and wastewater sources have been described. These treatments can be categorized as adsorption, membrane, chemical, or electric. Membrane technology has been developed as a popular alternative for recovering and reusing water from various water and wastewater sources. This study integrates useful membrane technology techniques for water and wastewater treatment containing heavy metals, with the objective of establishing a low-cost, high-efficiency method as well as ideal production conditions: low-cost, high-efficiency selective membranes, and maximum flexibility and selectivity. Future studies should concentrate on eco-friendly, cost-effective, and long-term materials and procedures. View Full-Text
Keywords: water treatment; heavy metal removal; membrane; composite; matrix water treatment; heavy metal removal; membrane; composite; matrix
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MDPI and ACS Style

El Batouti, M.; Al-Harby, N.F.; Elewa, M.M. A Review on Promising Membrane Technology Approaches for Heavy Metal Removal from Water and Wastewater to Solve Water Crisis. Water 2021, 13, 3241. https://doi.org/10.3390/w13223241

AMA Style

El Batouti M, Al-Harby NF, Elewa MM. A Review on Promising Membrane Technology Approaches for Heavy Metal Removal from Water and Wastewater to Solve Water Crisis. Water. 2021; 13(22):3241. https://doi.org/10.3390/w13223241

Chicago/Turabian Style

El Batouti, Mervette, Nouf F. Al-Harby, and Mahmoud M. Elewa. 2021. "A Review on Promising Membrane Technology Approaches for Heavy Metal Removal from Water and Wastewater to Solve Water Crisis" Water 13, no. 22: 3241. https://doi.org/10.3390/w13223241

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