Homework #10 ChE 361 Spring 2010
Consider the production of an ethylene-propylene-diene (EPDM) polymer in an isothermal CSTR. The reactor has 7 adjustable inputs x1 . . . x7 denoting the residence time, ethylene monomer feed concentration, propylene monom
Problem Set 7.3, Problems 4, 6, 16 Problem Set 7.8, Problems 2, 12 Problem Set 20.4, Problems 6, 10, 20
Solve each problem by hand and show your work. Check each solution with Matlab and include your calculations in homework solution.
Written Homework #5
ChE 361
Spring 2015
Problem 1. Consider the following steady-state equations for a continuous stirred tank reactor in
which the following reaction occurs: A B, B A:
0 =
0 =
q1
q2
q1 q2
CA3 + kr CB3
CA1 + CA2 kf +
+
V
V
V
V
q2
q1 q2
C
Written Homework #4
ChE 361
Spring 2015
Problem 1. Consider a chemical reactor described by the following algebraic equation system:
q
(CAi CA )k1 CA = 0,
V
q
CB +k1 CA k2 CB +k3 CC = 0,
V
q
CC +k2 CB k3 CC = 0
V
q
1. Given the parameter values k1 = 1, k2
Written Homework #2
ChE 361
Spring 2015
Problem 1. Problem Set 24.7, Problem 12
Problem 2. Problem Set 24.8, Problem 8
Problem 3. Consider the following scaled data collected for the lm thickness of a set of
solar cells:
x = cfw_2.0 2.2 1.7 2.3 2.5 1.9 2.
Written Homework #3
ChE 361
Spring 2015
Problem 1. Consider the following scaled data collected for the lm thickness of a set of solar
cells:
x = cfw_2.0 2.2 1.7 2.3 2.5 1.9 2.1 1.8 2.2 2.4 2.0
1. Calculate the sample mean x and the 99% condence interval
ChE 361
Spring 2015
Written Homework #1
1. Problem Set 24.3, Problems 12 and 14
2. Problem Set 24.4, Problems 6 and 10
3. Problem Set 24.5, Problems 8 and 12
Homework #9 ChE 361 Spring 2010
Problem 1. Consider the following data set for the polydispersity of a polymer product: x = cfw_2.39 2.01 2.32 2.09 2.24 2.18 Determine the condence interval for the mean assuming a 95% condence level: CONF0.95 cfw_x k x +
Homework #6 ChE 361 Fall 2010
Consider a biochemical reactor where biomass and a desired product are produced by microbial growth from a single, rate limiting substrate. Denote the biomass concentration as X , the substrate concentration as S , and the pr
Written Homework #6
ChE 361
Spring 2015
Problem 1. Consider a chemical reactor in which the following irreversible reaction occurs: A B.
Let CA denote the molar concentration of the reactant. The reaction rate constant is denoted k,
and the reaction rate