Interfacial interactions between minerals and organic matter: Mechanisms and characterizations

被引：3
作者：
Tong Y. [1 ]
Xiang H. [1 ]
Jiang J. [1 ]
Chen W. [1 ]
机构：
[1] School of Metallurgy and Environment, Central South University, Changsha
来源：
Chemosphere | 2024年 / 359卷
基金：
中国国家自然科学基金;
关键词：
Interfacial interactions; Microscopy; Mineral; Organic matter; Spectroscopy;
D O I：
10.1016/j.chemosphere.2024.142383
中图分类号：
学科分类号：
摘要：
Minerals and organic matter are essential components of soil, with minerals acting as the “bone” and organic matter as the “skin”. The interfacial interactions between minerals and organic matter result in changes in their chemical composition, structure, functional groups, and physical properties, possessing a significant impact on soil properties, functions, and biogeochemical cycles. Understanding the interfacial interactions of minerals and organic matter is imperative to advance soil remediation technologies and carbon targets. Consequently, there is a growing interest in the physicochemical identification of the interfacial interactions between minerals and organic matter in the academic community. This review provides an overview of the mechanisms underlying these interactions, including adsorption, co-precipitation, occlusion, redox, catalysis and dissolution. Moreover, it surveys various methods and techniques employed to characterize the mineral-organic matter interactions. Specifically, the up-to-date spectroscopic techniques for chemical information and advanced microscopy techniques for physical information are highlighted. The advantages and limitations of each method are also discussed. Finally, we outline future research directions for interfacial interactions and suggests areas for improvement and development of characterization techniques to better understand the mechanisms of mineral-organic matter interactions. © 2024 Elsevier Ltd
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