... Fe2+), % , ≤0.150.01Basicity, %9.0-14.014.0PH (1% aq. solution)2.0-3.02.4As, % , ≤0.00080 ... chloride dosage is approximately equal is solid aluminium sulfate dosage of a third - 1/4. If the original use is liquid product, ... used in environmental protection, industrial wastewater treatment, use method and system waterworks is approximately the same as that of high chromaticity, high COD, BOD of ...