... hazardous to health. The effluent turbidity is less than 0.5NTU, CODMN less than 1.5mg / L, iron content ... in the water, using water more than less than or equal to chlorine 0.1ML/M3, SDI ... less than or equal to 4, are strong ... wash use medicament in machine2. Using automatic pre-treatment system, realizing operation Unmanned3. Using imported Grundfos booster pump, ...