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It is desired to reduce the 2% CO2 in 23 Ib/sec of a natural gas stream using absorption in aqueous diethylamine flowing at 40 lb/sec. Either 1 ½ in. Raschig rings or 1 ½ in. Pall rings are being considered for packing. A pressure drop of 0.25 in H,O/ft is desired to minimize foaming. Under operating conditions, the densities of the gas and the liquid are 2.8 and 63 Ib/ft³, respectively; the liquid viscosity is 2 centistokes. Determine the flooding velocity and the tower's cross-sectional area using

It is desired to reduce the 2% CO2 in 23 Ib/sec of a natural gas stream using absorption in aqueous diethylamine flowing at 40 lb/sec. Either 1 ½ in. Raschig rings or 1 ½ in. Pall rings are being considered for packing. A pressure drop of 0.25 in H,O/ft is desired to minimize foaming. Under operating conditions, the densities of the gas and the liquid are 2.8 and 63 Ib/ft³, respectively; the liquid viscosity is 2 centistokes. Determine the flooding velocity and the tower's cross-sectional area using

Introduction to Chemical Engineering Thermodynamics
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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Exercise 1 It is desired to reduce the 2% CO, in 23 Ib/sec of a natural gas stream using absorption in aqueous diethylamine flowing at 40 lb/sec. Either 1 ½ in. Raschig rings or 1 ½ in. Pall rings are being considered for packing. A pressure drop of 0.25 in H,O/ft is desired to minimize foaming. Under operating conditions, the densities of the gas and the liquid are 2.8 and 63 Ib/ft³, respectively; the liquid viscosity is 2 centistokes. "Determine the flooding velocity and the tower's cross-sectional area using the succeeding procedures
Transcribed Image Text:Exercise 1 It is desired to reduce the 2% CO, in 23 Ib/sec of a natural gas stream using absorption in aqueous diethylamine flowing at 40 lb/sec. Either 1 ½ in. Raschig rings or 1 ½ in. Pall rings are being considered for packing. A pressure drop of 0.25 in H,O/ft is desired to minimize foaming. Under operating conditions, the densities of the gas and the liquid are 2.8 and 63 Ib/ft³, respectively; the liquid viscosity is 2 centistokes. "Determine the flooding velocity and the tower's cross-sectional area using the succeeding procedures
Determination of Flooding Velocity Procedure 1. Obtain liquid density (pL) and viscosity(H), gas density(pg) and packing factor(Fp) 2. Calculate the ratio of flow of entering liquid to entering gas (L/G) from problem data. 3. Calculate FLG= (L/G)(p_/Pg)0.5 4. Obtain Souders-Brown coefficient Cs from Fig. 14-48/14-41 (HB) using FLG and pressure drop of 1.5 in Hg 5. Solve Uf=Cs[(PL-PG/(PL Fp)]0-5[PL/H]0.05using appropriate units in the HB 6. Gp= UFPG
Transcribed Image Text:Determination of Flooding Velocity Procedure 1. Obtain liquid density (pL) and viscosity(H), gas density(pg) and packing factor(Fp) 2. Calculate the ratio of flow of entering liquid to entering gas (L/G) from problem data. 3. Calculate FLG= (L/G)(p_/Pg)0.5 4. Obtain Souders-Brown coefficient Cs from Fig. 14-48/14-41 (HB) using FLG and pressure drop of 1.5 in Hg 5. Solve Uf=Cs[(PL-PG/(PL Fp)]0-5[PL/H]0.05using appropriate units in the HB 6. Gp= UFPG
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