Answer to Question #349355 in General Chemistry for bec seg

Question

How much Sodium Phosphate do we need to add to the water over 1 day in grams, to remove the dissolved iron.

The recomended concentration of sodium phosphate is 7.0mg/L

The amount of iron dissolved in the water is 13.84mg/L

4 300 000L of water go through the city each day.

Answer 1

To control eutrophication, the USEPA has established a recommended limit of 0.05 mg/L for total phosphates in streams that enter lakes and 0.1 mg/L for total phosphorus in flowing waters (U.S. Environmental Protection Agency, 1986).