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What effect dose the removal of CO2 from water through aeration have on each of the...

What effect dose the removal of CO2 from water through aeration have on each of the three kinds of alkalinity found present in natural water?

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Answer #1

The reaction when carbon dioxide removed from water through areation process IS

H2O + CO2 = HCO3- + H+

The main three kinds of alkalinity if natural water are due to hydroxides, carbonates and bicarbonates.

converting bicarboante to carbonic acid lowers the pH, When CO2 is removed the following reactions happend

HCO3- + H+ -----> H2CO3 ------>H2O +CO2

when co2 is removed the two euilibria shifts towards the right.when co2 is rmoved consequently lowering the bicbonate so lowering the alkalinity.

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