Recent Advances in Technologies for Removal of Microcystins in Water: a Review
2022
Zhan, Ming-ming | Hong, Yu
PURPOSE OF REVIEW: Microcystins (MCs) are refractory cyclic heptapeptides which mainly due to the release of bloom-forming cyanobacteria and is a problem of emerging environmental concern. The presence of MCs in water poses a severe challenge to the health of human beings. This review is aimed to summarize the recent progress in removing MCs, and to serve the development of theories and technologies for eliminating MCs in the future. RECENT FINDINGS: The traditional methods such as membrane filtration, chemical reagent, and biological enzyme suffer from high cost or second pollution in the process of removing MCs. The magnetic adsorption nanomaterial is regarded as an efficient treatment technology for the removal of MCs due to its easy separation and low cost. The carbon-based photocatalysis possesses a broader prospect for application in eliminating MCs, which could degrade MCs with high efficiency and lower energy consumption. This article reviews the physical, biological, and chemical methods of eliminating MCs. The mechanism of various methods for the removal of MCs was proposed. Additionally, the magnetic adsorption nanomaterial and carbon-based photocatalysis for removing MCs are also discussed. Finally, based on the drawbacks of current research, prospects for future research were discussed. This review is expected to provide a reference for future environmental pollutants remediation particularly within the domain of eliminating MCs.
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