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The pyrolysis of methyl acetoxypropionate (A) produces acetic acid (B) and (Note that MW, = 146 Ibm/lb-mol) ethyl acrylate (C): A → B + C elow 550 °C, the reaction is first order in Ca with a rate constant given by: = (7.8 x 10°)exp(-19220/T) with units of sec' and with Tin Kelvin e want to design a plug flow tubular reactor having an inner cross-sectional ea of 0.0388 ft' to operate isothermally at 500°C and convert 90% of the raw ed of A. The feed enters at 5 atm and a flow rate of 500 lbm/hour of A. suming that ideal gas behavior applies and that we can neglect the pressure

The pyrolysis of methyl acetoxypropionate (A) produces acetic acid (B) and (Note that MW, = 146 Ibm/lb-mol) ethyl acrylate (C): A → B + C elow 550 °C, the reaction is first order in Ca with a rate constant given by: = (7.8 x 10°)exp(-19220/T) with units of sec' and with Tin Kelvin e want to design a plug flow tubular reactor having an inner cross-sectional ea of 0.0388 ft' to operate isothermally at 500°C and convert 90% of the raw ed of A. The feed enters at 5 atm and a flow rate of 500 lbm/hour of A. suming that ideal gas behavior applies and that we can neglect the pressure

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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The pyrolysis of methyl acetoxypropionate (A) produces acetic acid (B) and methyl acrylate (C): A→ B+ C (Note that MWA = 146 Ibm/lb-mol) Below 550 °C, the reaction is first order in CA with a rate constant given by: k = (7.8 x 10°)exp(-19220/T) with units of sec and with T in Kelvin We want to design a plug flow tubular reactor having an inner cross-sectional area of 0.0388 ft to operate isothermally at 500°C and convert 90% of the raw feed of A. The feed enters at 5 atm and a flow rate of 500 Ibm/hour of A. Assuming that ideal gas behavior applies and that we can neglect the pressure drop across the reactor, what will be the length of the reactor? Hints: Notice the change in number of moles with the reaction. Note that at 0°C and 1 atm, the standard molar volume is 359 ft /lb-mole. One of the integrals can be solved using the U-substitution method as provided in class.
Transcribed Image Text:The pyrolysis of methyl acetoxypropionate (A) produces acetic acid (B) and methyl acrylate (C): A→ B+ C (Note that MWA = 146 Ibm/lb-mol) Below 550 °C, the reaction is first order in CA with a rate constant given by: k = (7.8 x 10°)exp(-19220/T) with units of sec and with T in Kelvin We want to design a plug flow tubular reactor having an inner cross-sectional area of 0.0388 ft to operate isothermally at 500°C and convert 90% of the raw feed of A. The feed enters at 5 atm and a flow rate of 500 Ibm/hour of A. Assuming that ideal gas behavior applies and that we can neglect the pressure drop across the reactor, what will be the length of the reactor? Hints: Notice the change in number of moles with the reaction. Note that at 0°C and 1 atm, the standard molar volume is 359 ft /lb-mole. One of the integrals can be solved using the U-substitution method as provided in class.
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