1.The Type is SS600. 2.Speed of bpwl is 1420 r/min. 3.Treatments of acid gypsum drainage and sludge purification. Main purposes: 1.Chemical industry: gy psum,ammonium,Glauber's salt,iron sulphate copper sulphate.nickel suphate.potassium chloride.axetic acid,borax,soda,rubber additive.dyestuff pigment,raw plastic,soap,fat,various resins and other chemical products. 2.Foodstuff industry: salt, ...