How to get rid of arsenic in water to get rid of arsenic in the water. By making the sedimentation with alum or lime or iron compounds such as iron chloride. Iron sulfate laeokrong sludge with sand, but if add that substance is a dance. (Oxidant), such as alkali, chlorine and then precipitated with Ruby or. Chloride compound of iron (FeCl3) will increase efficiency, eliminate more. The arsenic removal that works best is to use chlorine, iron chloride, 20 mg per litre, and then let laeokrong sludge sedimentation with sand. Therefore, in the groundwater found to have arsenic dose than prescribed criteria, it is necessary to use the method to reduce the arsenic removal from arsenic poisoning hazards hidden in the water.
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