Method for treating heavy metal-containing pollutant wastewater

The invention relates to a method for treating heavy metal-containing pollutant wastewater. The method comprises the steps of bacteriorhodopsin culture, culture of heavy metal ion resistant bacteria, heavy metal ion-containing wastewater treatment and the like. The method provided by the invention is advanced, short in process flow, simple in operation and low in cost; compared with the prior art, the cost is reduced by 20-30%; the method is capable of effectively reducing the concentration of heavy metal ions in the wastewater and greatly reducing the quantity of heavy metals in outlet water and also capable of realizing industrial treatment; and therefore, the method is a quite ideal heavy metal-containing wastewater treating method.