Estimate the partial pressure gradient between the bulk and the film. [AP= 0.027 bar] Estimate the temperature gradient between the bulk and the film. [AT = 10.5 K]
Estimate the partial pressure gradient between the bulk and the film. [AP= 0.027 bar] Estimate the temperature gradient between the bulk and the film. [AT = 10.5 K]
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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![Problem 2
In a catalytic fixed bed reactor, the dehydrogenation of ethanol into
acetaldehyde is carried out at 275 °C and 1 bar with cylindrical shape
catalyst particles (diameter=height=D0.002 m). The area to mass ratio of the
catalyst am was 1.26 m2*kg'.
C,H,OHg) + CH3CHO) + H2g)
(6),
(A)
(C)
(B)
The molar feed flow of ethanol was 0.01 kmole*h and the initial catalyst
loading is 0.01 kgat: The measured conversion of ethanol was 0.362 and the
reaction rate 0.193 kmole*kgcat*h.
Estimate the partial pressure
gradient between the bulk and the
film. [AP = 0.027 bar]
Data
AH = -70388 kJ*kmole
-1*K-1
CPC2H5OH
106.5 kJ*kmole1*K-1
HC2H5OH = 1.32*105 kg/(m*s)
CPCH3CHO = 81.2 kJ*kmole1*K-1
HCH3CHO = 1.60*10-5 kg/(m*s)
HH2 = 1.32*10-5 kg/(m*s)
DAB = 0.2466*10-4 (m2/s)
CPH2 = 29.3 kJ*kmole 1*K-1
AC2HSOH = 106.5 kJ*m1*K1s-1
ACH3CHO = 81.2 kl*m1*Kls-1
Estimate the temperature gradient
between the bulk and the film. [AT
= 10.5 K]
DAC = 1.4235*104 (m2/s)
AH2 = 29.3 kJ*m-1*K•1s-1
Adapted from: Froment G & Bischoff K, Chemical Reactor Analysis and
Design, John Wiley and Sons, 2nd edition, 1990, pp 664](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6911b1f0-ac4f-4638-aaed-326dfcfdf6cf%2F01a92732-6c9d-4a6b-a242-3242aa8b4251%2F8rfrct_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Problem 2
In a catalytic fixed bed reactor, the dehydrogenation of ethanol into
acetaldehyde is carried out at 275 °C and 1 bar with cylindrical shape
catalyst particles (diameter=height=D0.002 m). The area to mass ratio of the
catalyst am was 1.26 m2*kg'.
C,H,OHg) + CH3CHO) + H2g)
(6),
(A)
(C)
(B)
The molar feed flow of ethanol was 0.01 kmole*h and the initial catalyst
loading is 0.01 kgat: The measured conversion of ethanol was 0.362 and the
reaction rate 0.193 kmole*kgcat*h.
Estimate the partial pressure
gradient between the bulk and the
film. [AP = 0.027 bar]
Data
AH = -70388 kJ*kmole
-1*K-1
CPC2H5OH
106.5 kJ*kmole1*K-1
HC2H5OH = 1.32*105 kg/(m*s)
CPCH3CHO = 81.2 kJ*kmole1*K-1
HCH3CHO = 1.60*10-5 kg/(m*s)
HH2 = 1.32*10-5 kg/(m*s)
DAB = 0.2466*10-4 (m2/s)
CPH2 = 29.3 kJ*kmole 1*K-1
AC2HSOH = 106.5 kJ*m1*K1s-1
ACH3CHO = 81.2 kl*m1*Kls-1
Estimate the temperature gradient
between the bulk and the film. [AT
= 10.5 K]
DAC = 1.4235*104 (m2/s)
AH2 = 29.3 kJ*m-1*K•1s-1
Adapted from: Froment G & Bischoff K, Chemical Reactor Analysis and
Design, John Wiley and Sons, 2nd edition, 1990, pp 664
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