College of Materials Science and Engineering, Fujian University of Technology, Fuzhou 350007, China.
College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, China.
J Nanosci Nanotechnol. 2021 Sep 1;21(9):4792-4796. doi: 10.1166/jnn.2021.19333.
The presence of malachite green dye in wastewater has a great negative impact on the environment. At present, industrial wastewater is treated using adsorption, electrolysis and membrane separation, among which the adsorption method is the most widely used wastewater treatment. In this study mesoporous silica nanoparticles (MSNs) were prepared using the sol-gel method and modified with the natural polymer urushiol (U) to obtain MSN@Us, which have a core-shell structure. This is the first use of urushiol in dye adsorption. The structures and chemical properties of the MSNs and MSN@Us were characterized. The adsorption of malachite green by the MSNs and MSN@Us showed that the adsorption rate of MSN@Us was higher than that of MSNs, with an adsorption rate greater than 90%. This study provides a new research direction for the use of urushiol in the treatment of contaminated wastewater.
孔雀石绿染料存在于废水中会对环境造成很大的负面影响。目前，工业废水的处理方法有吸附法、电解法和膜分离法等，其中吸附法是应用最广泛的废水处理方法。本研究采用溶胶-凝胶法制备了介孔硅纳米粒子（MSNs），并用天然聚合物漆酚（U）对其进行了修饰，得到了具有核壳结构的 MSN@Us，这是漆酚首次用于染料吸附。对 MSNs 和 MSN@Us 的结构和化学性质进行了表征。MSNs 和 MSN@Us 对孔雀石绿的吸附结果表明，MSN@Us 的吸附率高于 MSNs，吸附率大于 90%。本研究为漆酚在处理受污染废水中的应用提供了新的研究方向。
