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P11-7B OEQ (Old Exam Question). The gas-phase reversible reaction A B is carried out under high pressure in a packed-bed reactor with pressure drop. The feed consists of both inerts I and Species A with the ratio of inerts to the species A being 2 to 1. The entering molar flow rate of A is 5 mol/min at a temperature of 300 K and a concentration of 2 mol/dm³. Work this problem in terms of volume. Hint: V=W/P=Rú. Additional information: FAO 5.0 mol/min Cao = 2 mol|dm3 C₁ = 2CA0 = 18 cal/mol/K CP₁ CP = 160 cal/mol/K E = 10000 cal/mol AHRX = -20000 cal/mol Kc = 1000 at 300 K = 160 cal/mol/K PB = 1.2 kg/dm³ = 300 K T₁ = 300 K k₁ = 0.1 min-¹ at 300 K Ua= 150 cal/dm³/min/K Tao = 300 K V = 40 dm³ apb=0.02 dm-3 Coolant mc 50 mol/min CP Cool20 cal/mol/K (a) Adiabatic Operation. Plot X, X, P, T, and the rate of disappearance as a function of V up to V = 40 dm³. Explain why the curves look the way they do.

P11-7B OEQ (Old Exam Question). The gas-phase reversible reaction A B is carried out under high pressure in a packed-bed reactor with pressure drop. The feed consists of both inerts I and Species A with the ratio of inerts to the species A being 2 to 1. The entering molar flow rate of A is 5 mol/min at a temperature of 300 K and a concentration of 2 mol/dm³. Work this problem in terms of volume. Hint: V=W/P=Rú. Additional information: FAO 5.0 mol/min Cao = 2 mol|dm3 C₁ = 2CA0 = 18 cal/mol/K CP₁ CP = 160 cal/mol/K E = 10000 cal/mol AHRX = -20000 cal/mol Kc = 1000 at 300 K = 160 cal/mol/K PB = 1.2 kg/dm³ = 300 K T₁ = 300 K k₁ = 0.1 min-¹ at 300 K Ua= 150 cal/dm³/min/K Tao = 300 K V = 40 dm³ apb=0.02 dm-3 Coolant mc 50 mol/min CP Cool20 cal/mol/K (a) Adiabatic Operation. Plot X, X, P, T, and the rate of disappearance as a function of V up to V = 40 dm³. Explain why the curves look the way they do.

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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Use math lab to solve for part a-c
P11-7B OEQ (Old Exam Question). The gas-phase reversible reaction A B is carried out under high pressure in a packed-bed reactor with pressure drop. The feed consists of both inerts I and Species A with the ratio of inerts to the species A being 2 to 1. The entering molar flow rate of A is 5 mol/min at a temperature of 300 K and a concentration of 2 mol/dm³. Work this problem in terms of volume. Hint: V=W/P₂r₁. Additional information: FAO = 5.0 mol/min Cao = 2 mol|dm3 C₁ = 2CA0 CP₁ = 18 cal/mol/K = 160 cal/mol/K E = 10000 cal/mol AHRX - - 20000 cal/mol Kc = 1000 at 300 K CPB = 160 cal/mol/K PB = 1.2 kg/dm³ To= 300 K T₁ = 300 K = 0.1 min-¹ at 300 K Ua = 150 cal/dm³/min/K = 300 K Tao V = 40 dm³ apf 0.02 dm-3 Coolant 50 mol/min = 20 cal/mol/K mc CP Cool (a) Adiabatic Operation. Plot X, X,, P, T, and the rate of disappearance as a function of V up to V = 40 dm³. Explain why the curves look the way they do. (b) Vary the ratio of inerts to A (0≤0, <10) and the entering temperature, and describe what you find. (c) Plot the heat that must be removed along the reactor (Q vs. V) to maintain isothermal operation. Part (c) is "C" level of difficulty. We will continue this problem in Chapter 12.
Transcribed Image Text:P11-7B OEQ (Old Exam Question). The gas-phase reversible reaction A B is carried out under high pressure in a packed-bed reactor with pressure drop. The feed consists of both inerts I and Species A with the ratio of inerts to the species A being 2 to 1. The entering molar flow rate of A is 5 mol/min at a temperature of 300 K and a concentration of 2 mol/dm³. Work this problem in terms of volume. Hint: V=W/P₂r₁. Additional information: FAO = 5.0 mol/min Cao = 2 mol|dm3 C₁ = 2CA0 CP₁ = 18 cal/mol/K = 160 cal/mol/K E = 10000 cal/mol AHRX - - 20000 cal/mol Kc = 1000 at 300 K CPB = 160 cal/mol/K PB = 1.2 kg/dm³ To= 300 K T₁ = 300 K = 0.1 min-¹ at 300 K Ua = 150 cal/dm³/min/K = 300 K Tao V = 40 dm³ apf 0.02 dm-3 Coolant 50 mol/min = 20 cal/mol/K mc CP Cool (a) Adiabatic Operation. Plot X, X,, P, T, and the rate of disappearance as a function of V up to V = 40 dm³. Explain why the curves look the way they do. (b) Vary the ratio of inerts to A (0≤0, <10) and the entering temperature, and describe what you find. (c) Plot the heat that must be removed along the reactor (Q vs. V) to maintain isothermal operation. Part (c) is "C" level of difficulty. We will continue this problem in Chapter 12.
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