with k = 0.054 moligcat.h.atm and KBu = 0.32 atm. Pure butanol enters a thin-tubed, packed-bed reactor at a molar flow rate of 50 kmol/hr and a pressure of 8 atm. a) What PBR catalyst weight is necessary to achieve 90% conversion in the absence of pressure drop? Plot and analyze X, and reaction rate, as a function of catalyst weight. b) What fluidized bed reactor catalyst weight is necessary to achieve 90% conversion? c) Repeat (a) when there is a pressure drop, with the pressure-drop parameter a = 0.00085 kg1. Compare this weight with that for no pressure drop to achieve the same conversion and give your comment.

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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Q1: The dehydration of butanol is carried out over a silica-alumina catalyst at 680 K.
CH,CH,CH,CH,OH-CH,CH=CHCH, +H,O
The rate law is
kP.
(1+K,P.)
with k 0.054 mol/gcat.h.atm and Keu = 0.32 atm1. Pure butanol enters a thin-tubed,
packed-bed reactor at a molar flow rate of 50 kmol/hr and a pressure of 8 atm.
a) What PBR catalyst weight is necessary to achieve 90% conversion in the absence
of pressure drop? Plot and analyze X, and reaction rate, as a function of catalyst
weight.
b) What fluidized bed reactor catalyst weight is necessary to achieve 90%
conversion?
c) Repeat (a) when there is a pressure drop, with the pressure-drop parameter a =
0.00085 kg 1. Compare this weight with that for no pressure drop to achieve the
same conversion and give your comment.
Transcribed Image Text:Q1: The dehydration of butanol is carried out over a silica-alumina catalyst at 680 K. CH,CH,CH,CH,OH-CH,CH=CHCH, +H,O The rate law is kP. (1+K,P.) with k 0.054 mol/gcat.h.atm and Keu = 0.32 atm1. Pure butanol enters a thin-tubed, packed-bed reactor at a molar flow rate of 50 kmol/hr and a pressure of 8 atm. a) What PBR catalyst weight is necessary to achieve 90% conversion in the absence of pressure drop? Plot and analyze X, and reaction rate, as a function of catalyst weight. b) What fluidized bed reactor catalyst weight is necessary to achieve 90% conversion? c) Repeat (a) when there is a pressure drop, with the pressure-drop parameter a = 0.00085 kg 1. Compare this weight with that for no pressure drop to achieve the same conversion and give your comment.
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