期刊
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
卷 28, 期 3, 页码 2572-2599出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s11356-020-10985-9
关键词
Clay; Modification; Adsorption; Heterostructure; Wastewater
资金
- Iranian Nanotechnology Initiative Council (INIC) [127212]
- Iranian Mines and Mining Industries Development and Renovation (IMIDRO) [25154]
This review discusses the recent trends in using natural and modified clay minerals for removing toxic organic/inorganic pollutants over the last 30 years. Modification methods can improve the adsorption properties of clay minerals and have the potential to make a greater impact on environmental protection.
This review discusses the recent trends in the research over the last 30 years to use clay minerals in natural and modified forms for removing different toxic organic/inorganic pollutants. The natural and modified forms of clay minerals have an exceptional ability to remove different contaminants. However, the modification methods can improve the clay mineral adsorption properties that consequently increase more adsorption sites and functional groups to adsorb different environmental pollutants. This review shows the importance of modification methods and more extension of novel clay preparation based on nanotechnology which could raise the control of pollution. The syntheses of functionalized clays such as pillared clays and porous clay heterostructures introduce the new class of heterostructure materials with high adsorption capacity, capability, and selectivity. Due to the acceptable properties of heterostructure materials including high specific surface area, thermal and mechanical stability, and the existence of multifunctional groups to selective adsorption, this review collects more literature of research related to environmental protection issues. However, it is expected much attention to get a better understanding of the adsorption mechanism, regeneration, and recovery process of these materials.
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