That is added in a concentration of mercury in waste water containing 12% of non-metallic reducing agent is sodium perborate, and then put into the base (water pH = 9 ~ 11) mixture to produce mercury particles (diameter about 10 microns), Hydrocyclone Separation Recycling. The mercury remaining in the overflow is separated by water and gas and trapped by a filter having a pore size of 5 μm. The mercury vapor in the exhaust gas is washed with dilute nitric acid and returned to the original wastewater tank for recycling. The method has been used in industrial production in the United States, and the amount of residual mercury in the discharged wastewater is less than 0.01 mg/L. The process flow is shown in the figure below. Pvc Dispensing Machine is for multicolor pvc production, it can replace 4-6 workers, with high precision and stability, and each pieces will be same quantity and thickness, its operation is easy, programming can by computer or teachbox. As to reduce the environmental damage, we found silicone silicone industrial, it is environment protection and no harm to human, it is the best choose. Pvc Label Dispensing Machine,Pvc Badge Dispensing Machine,8 Color Pvc Dispensing Machine,PVC Cup Coaster Dispensing Machine Dongguan Jinyu Automation Equipment Co., Ltd. , http://www.jinyumachinery.com