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Roles and significance of chelating agents for potentially toxic elements (PTEs) phytoremediation in soil: A review by Nur Hanis Zulkernain; Turkeswari Uvarajan; Chuck Chuan Ng is a Environmental Science article available to read on EtoBox.

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Phytoremediation is a biological remediation technique known for low-cost technology and environmentally friendly approach, which employs plants to extract, stabilise, and transform various compounds, such as potentially toxic elements (PTEs), in the soil or water. Recent developments in utilising chelating agents soil remediation have led to a renewed interest in chelate-induced phytoremediation. This review article summarises the roles of various chelating agents and the mechanisms of chelate-induced phytoremediation. This paper also discusses the recent findings on the impacts of chelating agents on PTEs uptake and plant growth and development in phytoremediation. It was found that the chelating agents have increased the rate of metal absorption and translocation up to 45% from roots to the aboveground plant parts during PTEs phytoremediation. Besides, it was also explored that the plants may experience some phytotoxicity after adding chelating agents to the soil. However, due to the leaching potential of synthetic chelating agents, the use of organic chelants have been explored to be used in PTEs phytoremediation. Finally, this paper also presents comprehensive insights on the

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Author

Nur Hanis Zulkernain; Turkeswari Uvarajan; Chuck Chuan Ng

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Environmental Science (Physical Sciences)