有机污染物在海泡石矿物的界面吸附与降解研究进展

海泡石是一种典型的纤维状富镁硅酸盐粘土矿,广泛地应用于土壤污染治理、空气净化和水体污染物吸附等领域,然而海泡石表面Si-OH反应活性尤其是与有机污染物的反应机制尚未有清楚的认识。本文综述了海泡石对水体环境中有机污染物的界面吸附与降解研究进展,首先介绍了海泡石对有机染料、有机农药、药物和个人护理品等有机污染物的界面吸附情况,然后探讨了海泡石在深度氧化技术中通过界面吸附或者助催化协同作用提高了有机污染物去除效率的研究进展,最后指出了海泡石在有机污染物去除领域中未来的发展方向,特别是对海泡石Si-OH在深度氧化技术中的应用前景进行了分析。本文试图为海泡石矿物治理有机废水方面的拓展研究与应用提供指导。

Research Progress on Adsorption and Degradation of Organic Pollutants on Sepiolite Mineral Interface

Sepiolite is a typical fibrous magnesium rich silicate clay ore, which is widely used in soil pollution control, air purification and water pollutant adsorption. However, the Si-OH reactivity of sepiolite surface, especially the reaction mechanism with organic pollutants, has not been clearly recognized. In this paper, the research progress of interface adsorption and degradation of organic pollutants in water environment by sepiolite is reviewed. The interface adsorption of organic pollutants such as organic dyes, organic pesticides, drugs and personal care products by sepiolite was introduced, and the research progress of sepiolite in advanced oxidation technologies to improve the removal efficiency of organic pollutants by interfacial adsorption or co-catalysis was discussed, the future development direction of sepiolite in the field of organic pollutant removal was pointed out, especially the application prospect of sepiolite Si-OH in advanced oxidation technologies was analyzed. This paper attempts to provide guidance for the research and application of sepiolite in the treatment of organic wastewater.