饮用水中砷处理技术的研究进展  

Research development of arsenic removal from drinking water

作　　者：严群[1] 余洋[1] 周娜娜[1] 

机构地区：[1]江西理工大学资源与环境工程学院,江西赣州341000

出　　处：《有色金属科学与工程》2012年第3期74-79,共6页Nonferrous Metals Science and Engineering

摘　　要：简单介绍了饮用水中砷的来源及危害,重点阐述了发展较为成熟的饮用水除砷技术,包括:混凝/沉淀法、吸附法、离子交换法、膜技术以及生物技术,通过分析比较可知,各种技术各具优缺点,混凝沉淀法和吸附法已被广泛应用;对环境条件要求较高的离子交换法和膜技术发展受到限制;生物技术具有良好的环境效益,应用前景广阔.最后对我国饮用水除砷技术的发展方向进行了展望,指出从我国基本国情考虑,混凝吸附为主的小型除砷装置占优势;从长远角度考虑,离子交换法和膜技术最具应用前景;从环境保护的角度看,生物技术高效廉价,必将引来更多的关注和研究.Based on introducing the sources and hazards of arsenic in drinking water, this article discusses the technology development of removing arsenic from drinking water, including： floeculation/preeipitation, adsorption, ion exchange, membrane technique and bio-technology. Each technology has their advantages and disadvantages. Comparison analysis reveals that coagulation/precipitation and adsorption methods have been widely used. The development of ion exchange and membrane technology are limited owing to their higher environmental requirements. The most promising one is bio-technology for its environment friendliness. The development prospect of arsenic removal from drinking water in China is forecasted. Small-scaled arsenic removal devices applying adopting floeculation and adsorption technologies are in a prevailing position considering China＇s national condition of imbalanced economic development. From a long-term perspective, ion exchange and membrane technologies have larger application prospects. Bio-technology will attract more attention and research thanks to its high performance and low cost from the view of environmental protection.

关 键 词：饮用水 除砷 混凝 吸附 离子交换 膜技术 

分 类 号：X703.1[环境科学与工程—环境工程]