化学沉淀法处理含重金属废水的研究进展

Research development of treating wastewater containing heavy metals by chemical precipitation process

化学沉淀法是一种传统的水处理方法,具有技术成熟、投资少、处理成本低、自动化程度高等诸多优点,在国内外已广泛应用。主要介绍了化学沉淀法处理重金属废水的研究进展,阐述了3种化学沉淀法的优缺点、重金属去除率的影响因素及今后的研究方向。

Chemical precipitation process is a traditional water treatment process, having many advantages, such as mature technology, little investment, low cost ,highly automatic level, etc. and has been applied extensively in the world. The research development of the treatment of wastewater containing heavy metals and expounds the advantages and disadvantages of three kinds of chemical precipitation processes, the effects of influencing factors on heavy metal removing rates, and the research directions in the future are introduced mainly.