重金属废水生化处理技术的研究进展

处理重金属废水的传统方法在投资和运行费用上都较高，加之沉淀去除效果不太理想，近年来国内外进行了大量的生化法去除重金属的研究。本文介绍了生物吸附法、生物絮凝法、微生物代谢法和植物吸收法。生化法处理重金属废水，成本低，效益高，易管理，可回收重金属，有利于生态环境的改善，具有十分广阔的应用前号。

Biological Treatment Techniques of Wastewater with Heavy Metals

Traditional treatment techniques for wastewater of containing heavy metals have higher capital cost and operational cost.In addition, their removal efficiency is not as good as expected. Recently large numbers of researches on biological treatment techniques of wastewater with heavy metals have been conducted to find out a better solution. This paper summarizes the prevailing biological treatment technology for wastewater of containing heavy metals, and points out that biological treatment is a kind of process with low cost, high efficiency, easy management and recovery of heavy metals, which is beneficial to environment improvement and has wide application in the future.