Sb-SnO2/OMC电催化膜对水中病原微生物的去除效果与机理研究

水是病原微生物传播的重要媒介，水体污染会引发传染性疾病，给人类健康和公共卫生带来巨大的威胁。水中病原微生物的去除对于疫情防控具有非常重要的作用。传统的消毒方法往往带来二次污染和能源消耗问题，电催化膜技术作为一种新型的水处理技术，结合了膜的物理筛分和电化学降解，能够降低能耗、缓解膜污染，还可连续运行，有效去除水中的病原微生物，具有良好的应用价值。本项目以有序介孔碳材料为载体，基于其孔道的限域作用在孔内沉积金属纳米颗粒，赋予材料较高的比表面积、均一可调的孔结构，并实现金属纳米颗粒的高负载率和高分散度。通过表征材料的微观结构与测试材料的电性能，建立制备工艺与微观结构以及电性能之间的关系。进一步构建电催化膜反应体系，检测其对水中两种代表性微生物的去除效果，优化工艺条件。系统研究电催化膜去除微生物的作用机理，为这一技术提供重要理论支持。本研究将有望在水处理、疫情防控和军事医学等方面得到广泛应用。

Water is an important medium for the spread of pathogenic microorganism. Water pollution will cause infectious diseases and pose a great threat to human health and public health. The removal and inactivation of pathogenic microorganisms in water plays an important role in prevention and control of the epidemic. Traditional disinfection methods often bring about secondary pollution and high energy consumption. As a new water treatment technology, electrocatalytic membrane technology combines the physical screening and electrochemical degradation, which can reduce energy consumption, alleviate membrane pollution, run continuously and effectively remove pathogenic microorganism. All of these advantages ensure an excellent application value In this project, ordered mesoporous carbon materials are used as carriers, and metal nanoparticles are deposited in the holes based on the limited role of their pores. The material gives high specific surface area and uniform pore structure, and achieves high loading rate and high dispersion of metal nanoparticles. By characterizing the microstructure of the material and the electrical properties of the tested materials, the relationship among preparation process, microstructure and electrical properties is established. The electrocatalytic membrane reaction system is further constructed to detect the removal efficiency of two representative microorganisms in water, and the technological conditions are optimized. The mechanism of the removal of microorganism by electrocatalytic membrane is systematically studied, which provides important theoretical support for this technology. This study is expected to be widely used in water treatment, epidemic prevention and military medicine.