Water aeration for iron removal - GIF

Water aeration for iron removal.

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How would that remove iron?

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Originally Posted by Floradawg

How would that remove iron?

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I was wondering the same thing. Google says the iron reacts with oxygen to form iron hydroxide, which precipitates out of the water as a solid.

I figure the oxygenation caused by aeration causes the iron to rust, and drop out of suspension/ionised solution.