D2. We are absorbing hydrogen sulfide at 15.0°C into water. Entering water is pure. Feed gas contains 0.12 mol% H₂S. Recover 97.0% of H₂S in the water. The total gas flow rate is 10.0 kmol/h. Total liquid flow rate is 2000.0 kmol/h. Total pressure is 2.5 atm. You can assume that total liquid and gas flow rates are constant. Equilibrium data are in Table 12-1. a. Calculate the outlet gas and liquid mole fractions of hydrogen sulfide. b. Calculate the number of equilibrium stages required using a McCabe-Thiele diagram. If L/V = M(L/V) min, find multiplier M (M > 1.0). Why is this operation not practical? What would you do to make the process practical? c. d.
D2. We are absorbing hydrogen sulfide at 15.0°C into water. Entering water is pure. Feed gas contains 0.12 mol% H₂S. Recover 97.0% of H₂S in the water. The total gas flow rate is 10.0 kmol/h. Total liquid flow rate is 2000.0 kmol/h. Total pressure is 2.5 atm. You can assume that total liquid and gas flow rates are constant. Equilibrium data are in Table 12-1. a. Calculate the outlet gas and liquid mole fractions of hydrogen sulfide. b. Calculate the number of equilibrium stages required using a McCabe-Thiele diagram. If L/V = M(L/V) min, find multiplier M (M > 1.0). Why is this operation not practical? What would you do to make the process practical? c. d.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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