A review on the multifaceted effects of δ-MnO2 on heavy metals, organic matter, and other soil components

文献类型： 外文期刊

第一作者： Hu, Haoran

作者： Hu, Haoran;Gao, Xinyu;Wang, Lei;Li, Bo;Zhan, Fandong;He, Yongmei;Qin, Li;Liang, Xinran;Li, Xiang

作者机构：

期刊名称：RSC ADVANCES （ 影响因子：4.6； 五年影响因子：4.3 ）

ISSN：

年卷期： 2024 年 14 卷 51 期

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收录情况： SCI

摘要： Manganese oxide minerals are prevalent in soils and play a pivotal role in the immobilization of heavy metals and the transformation of materials. Characterized by their low point of zero charge and numerous active adsorption sites, manganese oxides effectively accumulate heavy metals such as lead (Pb) and cadmium (Cd) from contaminated environments. Different manganese oxides, mediated by Mn(ii), vary in their capacity to enrich heavy metals. Their distinctive nanostructures can be harnessed to create composite materials that boast enhanced adsorption properties and environmental sustainability. As a highly reactive element in soil, manganese engages in multiple reactions with soil organic components and inorganic ions through processes like oxidation-reduction. This activity aids in the elimination of organic pollutants and facilitates carbon sequestration through various mechanisms. This article explores the metal enrichment capabilities of manganese oxides and their influence on soil physicochemical properties, enhancing our understanding of how these oxides adsorb metallic elements and interact with soil components. Such knowledge is crucial for advancing heavy metal remediation strategies and comprehending the biogeochemical processes within soil environments.

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