水体重金属污染正成为全世界最严重的环境问题之一，多种多样的技术已被用于重金属废水的处理。本文综述了近年来用于重金属废水处理的常见工艺，包括化学沉淀法、混凝-絮凝、电化学法、膜分离、离子交换法和吸附法等，并对相关工艺进行了评述。

Heavy metal wastewater is becoming one of the most serious environmental problems today, a variety of technologies have been used to treat heavy metal wastewater. In this paper, the frequently-used treatment methods, which include chemical precipitation, coagulation-flocculation, electrochemical methods, membrane separation, ion-exchange and adsorption, were introduced, and their advantages and disadvantages were summarized.