Experiments
Week 1: Check in
Weeks 2-5: Comparison of Methods to Separate and Analyze
Purity of Molecules (Caffeine, Aspirin, Acetaminophen,
Ibuprofen)
Expt A Thin Layer Chromatography
Expt B Liquid-Liquid Extraction
Expt C Column Chromatography
Wee
Experiments
Weeks 2-5: Comparison of Methods to Separate
and Analyze Purity of Molecules (Caffeine, Aspirin,
Acetaminophen, Ibuprofen)
Expt A Thin Layer Chromatography
Expt B Liquid-Liquid Extraction
Expt C Column Chromatography
Analyze purity by TLC and
Experiments
Weeks 2-5: Comparison of Methods to Separate
and Analyze Purity of Molecules (Caffeine, Aspirin,
Acetaminophen, Ibuprofen)
Expt A Thin Layer Chromatography
Expt B Liquid-Liquid Extraction
Expt C Column Chromatography
Analyze purity by TLC and
CBE 162 Spring 2017
Homework 13
Due: Thursday April 27, 2017
Assignment must be submitted by the start of class (11:10 am) on the due date. A hard copy must be
submitted to the GSIs in class and a soft copy must be uploaded on the bCourses page. No late h
CBE 162 Spring 2017
Homework 14
Solution
Problem 1 (10 pts). The closed -loop system shown in figure 1 has the following transfer functions:
Figure 1: Closed-loop block diagram for feedforward-feedback control
Gp (s) =
1
s+1
Gd (s) =
2
(s + 1)(5s + 1)
Gv
CBE 162 Spring 2017
Homework 11
Due: Tuesday April 11, 2017
Assignment must be submitted by the start of class (11:10 am) on the due date. A hard copy must be
submitted to the GSIs in class and a soft copy must be uploaded on the bCourses page. No late ho
CBE 162 Spring 2017
Homework 12
Due: Tuesday April 18, 2017
Assignment must be submitted by the start of class (11:10 am) on the due date. A hard copy must be
submitted to the GSIs in class and a soft copy must be uploaded on the bCourses page. No late ho
CBE 162 Spring 2017
Homework 9
Solutions
Problem 1 (10 pts). The PI controller has the transfer function of the form
Gc (s) = Kc
I s + 1
I s
The closed-loop transfer function is then
Gp (s)Gc (s)
.
1 + Gp (s)Gc (s)
GCL (s) =
Substituting for Gc (s) and Gp
ETHICAL ANCHORS
IN ORDER TO MANIFEST AND CONTRIBUTE OUR OWN BEST MACROPHASE
CREATIVITY TO OUR EVOLVING SELF, RELATIONSHIPS, AND WORLD, LET
US:
1) CONSCIOUSLY PRACTICE GROUNDING
The more we practice awareness of our own ground of being, the better able we
CBE 180
Fall 2017
Problem Set #1 Solutions
1. Question Involving Economics, Ethics, and Integrity: What was the minimum amount
in dollars to ensure that Sean stayed on the high road the next time around?
We can answer this question using, or paraphrasing,
CBE 162 Spring 2017
Homework 4
Due: Tuesday February 14, 2017
Problem 1 (10 pts). Find the Laplace transform of the following functions. Determine if the functions
are stable.
a. f (t) = t2
(2 pts) L(f (t) =
2
s3
b. f (t) = te6t
1
(2 pts) L(f (t) = (s6)
2
CBE 162 Spring 2017
Homework 6
Due: Tuesday February 28, 2017
Assignment must be submitted by the start of class (11:10 am) on the due date. A hard copy must be
submitted to the GSIs in class and a soft copy must be uploaded on the bCourses page. No late
CBE 162 Spring 2017
Homework 7
Solutions
Problem 1. (12 pts)
a (3 pts) The transfer function for the input
p(t) = (6 4)S(t).
In Laplace domain,
L(
p(t) = P (s) =
2
.
s
Then we can calculate Q(s) through
Q(s) =
3 2
3
P (s) =
20s + 1
20s + 1 s
in time domai
CBE 162 Spring 2017
Homework 1
Solutions
Problem 1 (10 pts). A simple toilet flushing system.
a. (3 pts) When the lever is pushed down, the water is forced out of the outlet valve. The piston connected
to the inlet also moves down allowing for water to fl
Date
Topic
Reading Assignment
Lecture
17-Jan
Definitions
Ch. 1
1
19-Jan
Vol. Prop./EOS
Ch. 3
2
24-Jan
Ch. 2
3
Ch. 2
4
31-Jan
First Law
First Law/Ideal gas/open
system
Heat effects
Ch. 4
5
2-Feb
Second Law
Ch. 5
6
7-Feb
Second Law
Ch. 5
7
9-Feb
Second Law
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f
d Cl .
. f j
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. ' wwimmw /(: 141 9' mg /ff 1 :37 7r if;
mxl.:.,., . v ._. .,._ aw"
_ x , w "
(CVEIEEQW 6; 1 g-'4 5% w Ki: @
f ML? 2'
"30 "F you ca cfw_Cu [47% 2
tab; 0% t$:ff&m j 3. . I f
A 5; iii-fir ( W1
CHE 140: Chemical Process Analysis
Fall 2016
Practice Problem to Accompany Homework Assignment 13
This is not an assignment
1. Reactions 1 and 2 occur at 100C in a 100 L jacketed batch reactor.
1. A B
Hr1 = -20,000 cal/mol
2. B + C D
Hr2 = -30,000 cal/mol
Solutions
CHE 140: Chemical Process Analysis
Fall 2016
Homework Assignment 13 (100 pts)
1. (Adapted from 9.62 Felder and Rousseau)
Carbon monoxide is burned with excess air at 1 atm in an adiabatic reactor. The reactants are fed at 25C and
the final tempe
CHE 140: Chemical Process Analysis
Fall 2016
Homework Assignment 13 (100 pts)
Due Friday, December 2nd
at 12:00 pm (noon) on Gradescope
1. (Adapted from 9.62 Felder and Rousseau)
Carbon monoxide is burned with excess air at 1 atm in an adiabatic reactor.
Solutions
1.
(a) Use a balance on propylene oxide and then substitute to find an expression for the volume of
the reactor in terms of the rate constant, net volumetric flow rate, and conversion.
Begin with a mole balance on A in steady state.
Accumulation
CHEMICAL ENGINEERING 141 Syllabus
Thermodynamics, Spring 2017
Instructor:
Prof. Markita Landry, 106 Gilman Hall, 664-7627, [email protected]
Graduate Student Instructors: Andrew Crothers, [email protected]
Peter Dudenas, [email protected]
Ju
Activity and Fugacity
Ray Fu
Notation
symbol
m, M
mi , Mi
m , mig , mid
msat
m , m , ml , mv
f , , fi , i
xi , yi
PT
*
description
intensive (molar) and extensive property of pure species
as above, but specifically for species i
reference state, ideal gas
CBE 141 Lecture Slide Deck 2
Applications of EOS
Equations of State Deviations from Ideality
Equation of state: relationship between Volume, Pressure, Temperature
1) Virial EOS a power series
2) Van der Waals & Cubic EOS
As P
As V
Compressibility Factor
(c) Suppose you charge 150.0 g of CaC2 and liquid water into a rigid container at 25C, heat the
container until the calcium carbide reacts completely, and cool the products back down to 25C,
condensing essentially all the unconsumed water. Write and simpl
Problem 1. (2.J2 BSL)
We desire the velocity profile and the volumetric rate of flow. Let us assume fully developed and laminar
flow, steady state system, and constant properties fluid (i.e., Newtonian, incompressible fluid).
Please note that the similari