What is the mass transfer flux for clo2

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Reference no: EM131310749

Consider the interphase mass-transfer process for the chlorine dioxide, ClO₂-air-water system. ClO₂ gas (solute A) is sparingly soluble in water. The Henry's law constant for the dilute solution of ClO₂ in water is 7:7 × 10^-4 atm/(g mol/m³). At the current conditions of operation, the mole fraction of ClO₂ in the bulk gas phase is y_A = 0:040 and the mole fraction of ClO₂ in the bulk liquid phase is x_A = 0:00040. The mass density of the liquid phase is 992.3 kg/m³ and is not dependent on the very small amount of ClO2, dissolved in it. The total system pressure is 1.5 atm.

a. Is the process gas absorption or liquid stripping?

b. If the ClO₂ partial pressure in the bulk gas phase is maintained at 0.06 atm, what is the maximum possible dissolved ClO₂ concentration, g mol/m³, in the liquid phase that could possibly exit the process?

c. If k_x = 1:0 g mol/m² s and k_G = 0:010 g mol/m² s atm, what is K_y, the overall mass-transfer coefficient based upon the overall gas phase driving force?

d. Based upon the bulk gas and liquid phase compositions, what is the mass transfer flux for ClO₂ in units g mol/m² s?

Reference no: EM131310749

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