Toxic heavy metal ions contamination in the aqueous environment, its toxicity and methods of microbial remediation

文献类型： 外文期刊

第一作者： Liu, Liying

作者： Liu, Liying;Hou, Meiling;Liu, Liying;Yin, Qiang;Liu, Yinghao

作者机构：

关键词： Heavy metal ions; sources and toxicity; microbial mechanisms; bioremediation; heavy metal resistance

期刊名称：GREEN CHEMISTRY LETTERS AND REVIEWS （ 影响因子：6.6； 五年影响因子：6.0 ）

ISSN： 1751-8253

年卷期： 2024 年 17 卷 1 期

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收录情况： SCI

摘要： Heavy metal compounds are used in a variety of industrial processes, including tanning, chrome plating, anti-corrosion treatments, and wood preservation. Heavy metal ion pollution in water and wastewater is often caused by industrial effluent discharge into open water sources. Toxic heavy metal ions such as As (III), Cr (VI), Cd (II), and Pb (II) are well-known and enter the body through a variety of pathways, including the food chain, respiration, skin absorption, and drinking water. These heavy metal ions produce oxidative stress in cells, resulting in cell organelle destruction. Heavy metals produce toxicity and may cause genetic material mutation or change, histone modification, and epigenetic alteration at various stages. Furthermore, heavy metals are linked to heart failure, renal damage, liver failure, and a variety of skin problems. For heavy metals cleanup, several standard approaches are utilized. Nonetheless, these technologies are costly and result in toxic sludge after treatment. As a result, there is an urgent need for an appropriate, environmentally safe, and efficient heavy metal removal technology. For heavy metal removal, microbial-based approaches are regarded as both environmentally benign and cost-effective. This review focuses on heavy metal pollution in water, its harmful consequences, and heavy metal cleanup by microbiological means.

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