What is potassium permanganate primarily used for in water treatment?

Potassium permanganate is primarily recognized for its effectiveness in removing dissolved iron and manganese from water. Its oxidation properties allow it to convert dissolved iron into insoluble particles that can be filtered out. When added to water, potassium permanganate undergoes a chemical reaction that oxidizes these metals, transforming them into solid forms that can more easily be separated from the water during the treatment process.

While potassium permanganate does have properties that allow it to assist in controlling taste and odor or removing bacteria, its primary and most significant application in water treatment is indeed related to the removal of dissolved iron and manganese. This makes it a valuable chemical in enhancing water quality, particularly in sources where these metals are prevalent.