化学混凝法去除水中砷的研究进展  

Research progress in aqueous arsenic removal by chemical coagulation

作　　者：王玉霞 李瑞华 刘玉灿 WANG Yu-xia;LI Rui-hua;LIU Yu-can(School of Environmental and Municipal Engineering,North China University of Water Resources and Electric Power,Zhengzhou 450046,China;School of Civil Engineering,Yantai University,Yantai 264005,China)

机构地区：[1]华北水利水电大学环境与市政工程学院,河南郑州450046 [2]烟台大学土木工程学院,山东烟台264005

出　　处：《应用化工》2022年第1期155-163,共9页Applied Chemical Industry

基　　金：国家自然科学基金项目(52000068);山东省自然科学基金项目(ZR2017BEE016);华北水利水电大学高层次人才科研启动项目(40506)。

摘　　要：对化学混凝法去除饮用水中砷的研究进展进行了系统的综述,详细介绍了常用混凝剂在饮用水除砷中的应用和研究现状,系统总结了天然水中的共存物质对化学混凝法除砷的影响规律及其作用机理,提出了现阶段化学混凝法除砷研究存在的问题及未来的发展方向。常用混凝剂对As(Ⅴ)的去除效率一般较高,而对As(Ⅲ)的去除效率相对较低,且对砷的去除易受原水水质的影响。因此,开发能高效去除As(Ⅲ),且能解决传统混凝的污泥处置问题,使环境和经济效益最大化的新型混凝药剂,将是今后研究的重点方向。The removal of arsenic from drinking water by chemical coagulation is reviewed systematically.The application and research status of commonly used coagulants for arsenic removal are introduced in detail firstly, then the effect of co-existing solutes in nature water on the removal of arsenic by chemical coagulation and the action mechanism are summarized systematically.At last, the existing problems and future research directions of arsenic removal by chemical coagulation were proposed.In generally, As(Ⅴ) could be removed efficiently by commonly used coagulant, but the removal efficiency of As(Ⅲ) was relatively poor, and the removal of arsenic was susceptible to the co-occurring solutes in raw water.The development of new coagulants that can remove As(Ⅲ) efficiently and solve the problem of sludge disposal in order to maximize environmental and economic benefits would be the focus of further research.

关 键 词：化学混凝 混凝剂 砷 共存物质 

分 类 号：TQ421[化学工程] TU991[建筑科学—市政工程]