28.22 A falling liquid film within a gas-liquid contactor of 1.50 m length is in contact with 100% carbon dioxide gas at

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28 22 A Falling Liquid Film Within A Gas Liquid Contactor Of 1 50 M Length Is In Contact With 100 Carbon Dioxide Gas At 1 (290.32 KiB) Viewed 17 times

28.22 A falling liquid film within a gas-liquid contactor of 1.50 m length is in contact with 100% carbon dioxide gas at 1.0 atm and 25°C. The wetted surface area is 0.50 m², and the liquid film thickness is 2.0 mm, which is thin enough to prevent ripples or waves in the falling liquid film. The liquid delivered to the contactor does not initially contain any dissolved CO₂. At 25°C, the Henry's law constant for the dissolution of CO2 gas in water is 29.5 m³ atm/kgmole, and the molecular diffusion coefficient for CO₂ in liquid water is 2.0 x 105 cm²/s. What is the average molar flux of CO₂ into the film? What is the estimated bulk concentration of dissolved CO₂ in the liquid exiting the process? 3 L