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Why must the feed water temperature be at least 41oF (5oC)? Why is the minimum temperature specification even higher when silica removal is important?

April 26, 2017feed minimum Removal silica specification temperature water

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Why must the feed water temperature be at least 41oF (5oC)? Why is the minimum temperature specification even higher when silica removal is important?

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The electrical resistance of the EDI system increases with decreasing temperature. The power supplies for EDI systems are sized to compensate for this down to a temperature of 41oF (5oC) below that temperature the performance may decline due to DC voltage limitations.