DMSNs基功能材料对染料吸附降解性能的研究进展

Research progress of dye adsorption and degradation properties of DMSNs-based functional materials

染料作为工业废水污染物对人类健康和生态环境造成了严重危害,如何绿色高效的去除废水中染料及其衍生物具有重要意义。树枝状介孔二氧化硅纳米粒子(DMSNs)具有中心辐射状孔道、比表面积大、孔隙率高等特点,因而在染料治理领域备受青睐。本文介绍了DMSNs对染料吸附降解性能的最新研究进展,涉及染料主要包括亚甲基蓝、甲基橙、刚果红、孔雀石绿等。重点阐述了DMSNs基吸附剂的制备方法及其对染料的吸附降解效率,为后续相关研究提供参考。最后对DMSNs基功能材料处理染料的发展趋势进行了总结与展望。

As industrial wastewater pollutants,dyes have caused serious harm to human health and the ecological environment.It is of great significance to remove dyes and their derivatives from wastewater efficiently and environmentally.With the characteristics of central radial channels,a large specific surface area and high porosity,dendritic mesoporous silica nanoparticles(DMSNs)are favored in the field of dye treatment.This article summarizes the latest progress in the adsorption and degradation of dyes by DMSNs.The dyes involved mainly include methylene blue,methyl orange,congo red,malachite green,etc.The preparation methods of DMSNs-based adsorbents and their adsorption and degradation efficiency for dyes are summarized in detail,which provides a reference for subsequent related research.Finally,the development trend of DMSNs-based functional material treatment dyes is summarized and prospected.