水体中硝酸盐污染治理材料研究进展

Research Progress on Nitrate Pollution Control Materials in Water Bodies

硝酸盐是我国水体中主要的污染物之一,其去除方法主要包括离子交换法、反渗透法、电化学法、吸附法、化学法、生物法等。其中因吸附法操作简便、设计简单,近年来各种吸附材料被广泛研究和应用;在化学法中,纳米材料因其体积小、表面积大、反应活性高,在水体中硝酸盐的处理中具有广泛的应用前景。介绍了吸附和纳米材料在水体中硝酸盐的去除中的研究现状,并对水体中的硝酸盐去除技术趋势做综述。

Nitrate is one of the main pollutants in water body in China, and the removal methods of nitrate mainly include ion exchange method, reverse osmosis method, electrochemical method, adsorption method, chemical method, biological method and so on. Due to the simple operation and design of adsorption method, various adsorption materials have been widely studied and applied in recent years. In chemical methods, nanomaterials have wide application prospects in the treatment of nitrate in water due to their small size, large surface area and high reactivity. In this paper, the research status of nitrate removal by adsorption and nanomaterials in water was introduced, and the trend of nitrate removal technologies in water bodies was summarized.