3. (20) Air stripping is a treatment process that uses air bubbling to remove dissolved volatile contaminants, such as a

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3 20 Air Stripping Is A Treatment Process That Uses Air Bubbling To Remove Dissolved Volatile Contaminants Such As A 1 (65.22 KiB) Viewed 65 times

3. (20) Air stripping is a treatment process that uses air bubbling to remove dissolved volatile contaminants, such as ammonia (NH3), from water by transferring to the gas phase (air). Wastewater is to be treated that has a stable pH of 10 and initial total ammonia nitrogen concentration, N1,0, of 7.1*10-4 M, where = N1 = [NH3)(aq) + [NH4+)(aq) If the partial pressure of NH3 in the atmosphere (PNH3) is 5x10-10 atm, what will be the final Ny of the water if air stripping is applied and the water reaches equilibrium with the atmosphere? Assume the pH is not affected by the air stripping process and note that ammonium (NH4+) is not volatile. Given: NH, (aq) Bà H'raq + NH3 (aq) KA = 10-9.26 NH3(aq) Bà NH3(g) , Bà NH3g) KH=57 molvL-vatm-1 •