Preparation Method Of Zinc Sulfate

Add zinc oxide to dilute sulfuric acid solution to make a slurry. After the reaction is complete, filter, add zinc powder to replace copper, cadmium, nickel, etc., filter, heat the filtrate, add potassium permanganate, remove iron, manganese and other impurities After oxidation, filtration, clarification, concentration, cooling and crystallization, centrifugal separation, and drying. It can also be obtained by leaching roasted zinc ore powder with sulfuric acid.