ChE 372 Exam 1 Wed., 11 October 2006
Instructions / : I?
0 Write your name at the top of each answer sheet 1 2 Z o
0 Start each problem at the top of a new page , PL
0 Write on only one side of each s
ChE372 - Chemical Reactor Analysis and Design
Exam#2
Fall 2012
Monday, October 29st 2012
*Problem #1 (10 points)
The following liquid-phase reactions take place in two identical CSTRs in series,
in wh
ChE372: Spring 2017
Homework 1
Review of Reaction Equilibrium and Stoichiometry
1. Consider the following reaction in an adiabatic tubular reactor.
A+B
C+D
Tin = 300 K
Tout =Tad
Stage - I
The average
Hea+ TMHW a+ mud Jamar-2mm: T (law be Cale-Jar
prom SPzdc (Bunk Au. D TOPS"
QC) EvluLI-awm Cans+aun+ KC'T')
cfw_d3 Eyjklah'm CWSM M A ~pumc4-I'O'rlo. Tmrkrn'hxr-c
W
I N
0' (Ink) = 3141
Emrahmhva
ChE 372 Exam 1 - Solution Tuesday, February 24, 2004
Instructions
1. Write your name at the top of each answer sheet and on the front page of the
exam questions.
2. Start each problem at the top of
(k Ur.)
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Homework #3 (6 Problems):
Assigned: Tuesday, September 8
Due: Wednesday, September 16 in Recitation
From Book (Rawlings and Ekerdt):
4.1, 4.2, 4.4, 4.7
From Additional Problems (on next page):
Additio
Homework #5 (5 Problems):
Assigned: Tuesday, September 22
Due: Tuesday, September 29 at 9:30 AM
From Book (Rawlings and Ekerdt):
4.15
From Additional Problems (on next page):
Additional Problem 1 thro
Homework #4 (5 Problems):
Assigned: Tuesday, September 15
Due: Tuesday, September 22 at 9:30 AM
From Book (Rawlings and Ekerdt):
4.5
From Additional Problems (on next page):
Additional Problems 1 thro
Homework #2 (6 Problems):
Assigned: Tuesday, September 2
Due: Tuesday, September 8 at 9:30 AM
From Book (Rawlings and Ekerdt):
5.2, 5.3, 5.4
From Additional Problems (on next page):
Additional Problem
ChE372: Fall 2016
CSTR and PFR Problems
1. The irreversible, gas phase trimerization reaction
3A > B r 2 MIA
is taking place at steady state in an ideal CSTR that has a volume of 10,000 liters. The fe
ChE372: Spring 2017
Exam I preparation problems: CSTR and PFR
1. The irreversible, gas phase trimerization reaction
3A B
r = kCA
is taking place at steady state in an ideal CSTR that has a volume of 1
ChE372: Spring 2017
Homework -III
1. An irreversible gas-phase reaction is conducted in an isothermal batch reactor operated at 400
K. The overall reaction may be represented by
r = 0.75c2A m3 /mol-h
Hea+ TMHW a+ mud Jamar-2mm: T (law be Cale-Jar
prom SPzdc (Bunk Au. D TOPS"
QC) EvluLI-awm Cans+aun+ KC'T')
cfw_d3 Eyjklah'm CWSM M A ~pumc4-I'O'rlo. Tmrkrn'hxr-c
W
I N
0' (Ink) = 3141
Emrahmhva
ChE372: Spring 2017
Homework -IV
1. The liquid phase reaction
r = k1 CA2 k2 CC CD
2A
C+D
was tested in a laboratory CSTR with these results.
Residence time (hrs)
% conversion of A
0.8 5.0
50 60
Feed
ChE372: Spring 2017
Homework2: Solving ODEs and Transport Review
Problem 1: (Reaction-Diffusion problems in Catalyst). You have learned to solve
such problems in Transport phenomena. You have also der
ChE372: Spring 2017
Homework - VIII
1. Consider a gas phase reaction
7
A+BC
r = 5.26 10
(
p
C
pA pB 25
[1+0.00889(pA +pB )]2
)
gmols/(hr -g Catalyst)
in a fixed bed reactor. The vapor phase is at 136
ChE372 - Chemical Reactor Analysis and Design
Exam#3
Fall 2012
Monday, November 26th 2012
Problem #1 (10 points)
Consider a reaction taking place in a bed of catalyst particles of size R1 and also in
Mole Balance :
d
c j dV =Qc j 0Q1 c jLevenspiel Plot
1+ R j dV
dt
Important Relations
c j=C T =
Max C A :d CA / dt =0 find t
( . Rate) R A =r ACoeff Ex
N j=
Q
P
RT
=V R /Qf
Definitions
For
PSSH
x
ChE372: Spring 2017
Quiz III
Problem(Fall 2016 Exam -I): Consider the gas phase reaction in a constant volume batch reactor:
k
1
A+B
C
r = k1 cA cB k2 cC
k2
Initially the reactor is charged with a mix