Calculate the mass-transfer coefficient in the gas phase

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Reference no: EM131469126

Question: A gas absorber is used to remove benzene (C6H6) vapors from air by scrubbing the gas mixture with a nonvolatile oil at 300 K and 1 atm. At a certain point in the absorber, the benzene mole fraction in the bulk of the gas phase is 0.02, while the corresponding interfacial benzene gas-phase concentration is 0.0158. The benzene flux at that point is measured as 0.80 g/m2-s.

(a) Calculate the mass-transfer coefficient in the gas phase at that point in the equipment, expressing the driving force in terms of mole fractions.

(b) Calculate the mass-transfer coefficient in the gas phase at that point in the equipment, expressing the driving force in terms of molar concentrations, kmol/m3

(c) At the same place in the equipment, the benzene mole fraction in the bulk of the liquid phase is 0.125, while the corresponding interfacial benzene liquid-phase concentration is 0.158. Calculate the mass-transfer coefficient in the liquid phase, expressing the driving force in terms of mole fractions.

Reference no: EM131469126

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