Water Chem - project3_w_notes

1mgltheplanis

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Unformatted text preview: ration in the discharge must not exceed 0.1 mg/L. The plan is to precipitate Zn(OH)2(s) and filter it out before the water is released. What should the pH of the water be? How much solid waste will be produced (kg/d)? Ksp for Zn(OH)2(s) is 4.5x1017. Zn OH 2 s Zn 2 2OH How much solid waste will be produced (kg/d)? How much Ca2+ would be present in a solution atpH 8.0 that is in equilibrium with the atmosphere and with calcite [CaCO3(s), Ksp=108.3)? 2 CaCO3 s Ca 2 CO3...
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This note was uploaded on 02/05/2014 for the course CEE 357 taught by Professor Benjamin during the Winter '12 term at University of Washington.

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