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P10-4B OEQ (Old Exam Question). Consider the catalytic reaction as a function of the initial partial pressures 2A B + C The rate of disappearance of species A was obtained in a differential reactor and is shown below. PAO Pco 1 atm PAO = 1 atm PB0 = 1 atm -TA,0 -A,0 -TA,O Pco = PBO = 0 a. PAO A What species are on the surface? PBO B Pco C b. What does Figure B tell you about the reversibility and what's adsorbed on the surface? C. Derive the rate law and suggest a rate-liming step consistent with the above figures. d. How would you plot your data to linearize the initial rate data in Figure A? نه نن e. -1 Assuming pure A is fed, and the adsorption constants for A and C are K₁ = 0.5 atm¯¹ and Kc = 0.25 atm¯¹ respectively, at what conversion are the number of sites with A adsorbed on the surface and C adsorbed on the surface equal? (Ans: X = 0.66)

P10-4B OEQ (Old Exam Question). Consider the catalytic reaction as a function of the initial partial pressures 2A B + C The rate of disappearance of species A was obtained in a differential reactor and is shown below. PAO Pco 1 atm PAO = 1 atm PB0 = 1 atm -TA,0 -A,0 -TA,O Pco = PBO = 0 a. PAO A What species are on the surface? PBO B Pco C b. What does Figure B tell you about the reversibility and what's adsorbed on the surface? C. Derive the rate law and suggest a rate-liming step consistent with the above figures. d. How would you plot your data to linearize the initial rate data in Figure A? نه نن e. -1 Assuming pure A is fed, and the adsorption constants for A and C are K₁ = 0.5 atm¯¹ and Kc = 0.25 atm¯¹ respectively, at what conversion are the number of sites with A adsorbed on the surface and C adsorbed on the surface equal? (Ans: X = 0.66)

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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P10-4B OEQ (Old Exam Question). Consider the catalytic reaction as a function of the initial partial pressures 2A B + C The rate of disappearance of species A was obtained in a differential reactor and is shown below. PAO Pco 1 atm PAO = 1 atm PB0 = 1 atm -TA,0 -A,0 -TA,O Pco = PBO = 0 a. PAO A What species are on the surface? PBO B Pco C b. What does Figure B tell you about the reversibility and what's adsorbed on the surface? C. Derive the rate law and suggest a rate-liming step consistent with the above figures. d. How would you plot your data to linearize the initial rate data in Figure A? نه نن e. -1 Assuming pure A is fed, and the adsorption constants for A and C are K₁ = 0.5 atm¯¹ and Kc = 0.25 atm¯¹ respectively, at what conversion are the number of sites with A adsorbed on the surface and C adsorbed on the surface equal? (Ans: X = 0.66)
Transcribed Image Text:P10-4B OEQ (Old Exam Question). Consider the catalytic reaction as a function of the initial partial pressures 2A B + C The rate of disappearance of species A was obtained in a differential reactor and is shown below. PAO Pco 1 atm PAO = 1 atm PB0 = 1 atm -TA,0 -A,0 -TA,O Pco = PBO = 0 a. PAO A What species are on the surface? PBO B Pco C b. What does Figure B tell you about the reversibility and what's adsorbed on the surface? C. Derive the rate law and suggest a rate-liming step consistent with the above figures. d. How would you plot your data to linearize the initial rate data in Figure A? نه نن e. -1 Assuming pure A is fed, and the adsorption constants for A and C are K₁ = 0.5 atm¯¹ and Kc = 0.25 atm¯¹ respectively, at what conversion are the number of sites with A adsorbed on the surface and C adsorbed on the surface equal? (Ans: X = 0.66)
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