解读工业重金属废水常用的处理技术

Interpretation of the Commonly Used Treatment Technology of Industrial Heavy Metal Wastewater

重金属废水对自然环境危害大,国内外十分重视此类废水的处理,研究出多种治理技术。分别介绍了重金属废水的化学沉淀法、氧化还原处理、离子交换法、萃取法等处理方法的性能特点、基本原理及其国家污水排放标准。

Heavy metal wastewater is harmful to the natural environment.Great attention is paid to the treatment of this kind of wastewater at home and abroad.A variety of treatment technologies have been developed.The characteristics,basic principles and national wastewater discharge standards of the methods of chemical precipitation,oxidation-reduction treatment,ion exchange and extraction of heavy metal wastewater were introduced respectively.