Every industry can not do without sufficient production water. The water sources are usually rivers, lakes, and groundwater. These water sources need to be prepared into water that meets the process requirements through physical and chemical methods. Each industry and different industrial processes need to meet their strict water quality standards
Heavy metal wastewater pollution is a more prominent type of water pollution in China. Because with the long-term accumulation of heavy metals that cannot be treated, their toxicity is harmful to the natural environment and human body without any benefit. At the same time, it is very difficult to effectively remove heavy metals from wastewater.