废水中阴离子污染物处理方法的研究进展

Research progress in the treatment of anionic pollutants in wastewater

废水中的阴离子污染物大部分具有毒性且对人体有害,其广泛存在于水体中,严重制约了国民经济和社会的发展.阴离子污染物及其处理已成为全球面临的一项挑战.因此,研究阴离子污染物的高效处理方法迫在眉睫.本文综述了废水中阴离子污染物的处理方法,分别从物理法、化学法、物理化学法及生物法展开,总结了不同处理方法对废水中阴离子污染物的处理效果,对比分析了各类处理方法的优缺点,并展望了废水中阴离子污染物的处理技术研究方向,以期为废水中阴离子污染物的处理及实际应用提供理论支撑.

Most of the anionic pollutants in wastewater are toxic and harmful to the natural environment and human health.Anionic contamination and its treatment have emerged as an escalating challenge globally.It is imperative to develop technology and methods to achieve the effective removal of anionic pollutants.Extraordinary efforts have been made to overcome the challenges of wastewater treatment in recent years.In this paper,the treatment of anionic pollutants in wastewater are reviewed,respectively from the physical treatment,chemical treatment,physical and chemical treatment,and biological treatment.Various techniques such as physical procedures like adsorption and membrane filtration,chemical methods like reduction method and coprecipitation process,and several biological techniques have been recognized for the treatment of wastewater.Meanwhile,the effects of different methods on the treatment of anionic pollutants in wastewater were summarized,and the advantages and disadvantages of each treatment method were compared and analyzed.This review communicates insights into recent research developments in different treatment techniques and their applications to eradicate various water contaminants.Finally,the future research direction of anionic pollutants treatment technology in wastewater is prospected.This will provide methods and data support for the treatment and practical application of anionic pollutants in wastewater.