Method for removing fluorine, ferrum and manganese in underground water by composite oxidation coagulant agent and ultrasonic waves
A technology of composite oxidation and oxidative coagulation, which is applied in chemical instruments and methods, oxidized water/sewage treatment, flocculation/sedimentation water/sewage treatment, etc., can solve the problems of inability to guarantee recovery of adsorption capacity, poor stability of potassium ferrate, material Limited adsorption capacity and other problems, to achieve the effect of reducing the dosage of chemicals, no secondary pollution, and good coagulation effect
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[0016] The raw water is taken from the groundwater in Dongweizi, East Taiping, Daqing. The concentrations of fluorine, iron, and manganese are 1.98mg / L, 10.52mg / L, and 1.54mg / L respectively. This area is a typical groundwater with high iron, manganese, and low fluorine. The raw water is pumped into the sump by the pump, and then enters the oxidation coagulation tank through the pipeline, and the automatic dosing device is used to add to the oxidation coagulation tank, and the contents of potassium ferrate and polyferric chloride are determined according to the ratio of 3:1. 45.64g, 15.21g, and wrapped with water-soluble gelatin to form a spherical particle composite oxidation coagulant with a diameter of 1.5cm. Turn on the ultrasonic generating device, immerse the submerged ultrasonic vibration plate under the water surface in the oxidation coagulation tank, and distribute it parallel and side by side in the oxidation coagulation tank, the water flow direction is vertical, the ...
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