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A → B + C + D being carried out isothermally in an ideal plug-flow reactor PFR) packed with a heterogeneous catalyst. The reactor operates at essentially atmospheric pressure. At the conditions of oper- ation, the ideal gas laws are obeyed. The reaction follows the rate equation -TA = KC² At the operating temperature of the reactor, k = 0.40 (mº/g mol- kg-min) The feed to the reactor is a mixture of 2 mol of A and 1 mol of steam. Neither B, C, nor D is H₂O (steam). The molar feed rate of A is 100,000 g-mol/min and the concentration of A in the feed is 10.3 g-mol/m³. Assuming that transport resistances are negligible, what

A → B + C + D being carried out isothermally in an ideal plug-flow reactor PFR) packed with a heterogeneous catalyst. The reactor operates at essentially atmospheric pressure. At the conditions of oper- ation, the ideal gas laws are obeyed. The reaction follows the rate equation -TA = KC² At the operating temperature of the reactor, k = 0.40 (mº/g mol- kg-min) The feed to the reactor is a mixture of 2 mol of A and 1 mol of steam. Neither B, C, nor D is H₂O (steam). The molar feed rate of A is 100,000 g-mol/min and the concentration of A in the feed is 10.3 g-mol/m³. Assuming that transport resistances are negligible, what

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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1. The cracking reaction A → B + C + D is being carried out isothermally in an ideal plug-flow reactor (PFR) packed with a heterogeneous catalyst. The reactor operates at essentially atmospheric pressure. At the conditions of oper- ation, the ideal gas laws are obeyed. The reaction follows the rate equation -TA = KC² At the operating temperature of the reactor, k = 0.40 (m/g mol- kg-min) The feed to the reactor is a mixture of 2 mol of A and 1 mol of steam. Neither B, C, nor D is H₂O (steam). The molar feed rate of A is 100,000 g-mol/min and the concentration of A in the feed is 10.3 g-mol/m³. Assuming that transport resistances are negligible, what weight of catalyst is required to achieve 85% fractional con- version of A?
Transcribed Image Text:1. The cracking reaction A → B + C + D is being carried out isothermally in an ideal plug-flow reactor (PFR) packed with a heterogeneous catalyst. The reactor operates at essentially atmospheric pressure. At the conditions of oper- ation, the ideal gas laws are obeyed. The reaction follows the rate equation -TA = KC² At the operating temperature of the reactor, k = 0.40 (m/g mol- kg-min) The feed to the reactor is a mixture of 2 mol of A and 1 mol of steam. Neither B, C, nor D is H₂O (steam). The molar feed rate of A is 100,000 g-mol/min and the concentration of A in the feed is 10.3 g-mol/m³. Assuming that transport resistances are negligible, what weight of catalyst is required to achieve 85% fractional con- version of A?
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why did you use the x-1=t and x=0..., and how did you end up with 56 and 49 on the line below?

Put n-1 = t dn = dt ; n = 0 1 n=0.05 t = -1 " t = -0,15
Transcribed Image Text:Put n-1 = t dn = dt ; n = 0 1 n=0.05 t = -1 " t = -0,15
, -0.15 11 + +10)에 56 t 49 k - 1 -0.15
Transcribed Image Text:, -0.15 11 + +10)에 56 t 49 k - 1 -0.15
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How did you get 1/9 and the (4x+3)^2/(x-1)^2

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