CHE3165
Separation Processes
1
Learning outcomes
By the end of todays lecture, you should be able to
1. Define the rate based method for packed columns
2. Define Height Equivalent to a Theoretical Plate (HETP) and explain how it
and the number of equilib
CHE3165 Tutorial Problems!
Semester One, 2011
Week 7
Question 1
Pure water is to be used to extract acetic acid from 400 kg of a feed solution containing 25
wt% acetic acid in isopropyl ether. Use the attached equilibrium data and phase diagram.
(a) If 40
1.
What personal protective equipment (PPE) you need to have for the biodiesel lab?
Safety glasses, lab coat, closed toe shoes.
2. Mention two alcohols that can be used for biodiesel production.
Methanol and ethanol
3. Give an advantage and disadvantage o
CHE3165 Tutorial Problems!
Semester One, 2013
Week 5
Question 1
Pure water is to be used to extract acetic acid from 400 kg of a feed solution containing 25
wt% acetic acid in isopropyl ether. Use the attached equilibrium data and phase diagram.
(a) If 40
CHE3165 Tutorial Problems
Semester one 2012
Week 10
Question 1
Question 1: Absorption in a packed bed
A tower packed with 25.4-mm ceramic rings is to be designed to absorb SO2 from air by using
pure water at 293 K and 1.013 105 Pa absolute pressure. The e
CHE3165 Tutorial Problems!
Semester One, 2013
Week 7
The tutorial problems this week are Questions 1 and 2, and the solutions to these will be
made available in Moodle.
Question 1
Gaseous hydrogen is stored at elevated pressure in a rectangular container
CHE 2164 - Thermodynamics I
Refrigeration Process Lab Report
Group 29
Authors:
Val Azura Abdurrahman
Zhan Hao Daniel Leong
Aaron Euweih Pang
Michelle Isaac
Lecturer:
Lab Instructor:
24516619
24536229
24597570
24159581
Dr. Meng Wai Woo
Paurnami
1
Summary
T
CHE3165 Tutorial Problems
Semester one 2012
Week 12 Revision Tutorial
Question 1
Question 1: Stripping Nicotine from Kerosene
A kerosene flow of 100 kg/h contains 1.4 wt% nicotine and is to be stripped with pure
water in a counter-current multistage tower
CHE3165
Separation Processes
1
Learning outcomes
! By the end of todays lecture you should be able to:
1. Completely solve a liquid-liquid extraction problem with counter-current
flow
Lecture 10 - Liquid-liquid Extraction
10th April 2013
2
The problem
! T
CHE3165 - WEEK 7 SOLUTION
Question 1.
Diagram. See Figure 1.
(1)
(2)
CA1 = 1 kmol/m3
CA2 = 0
x = 0.01 m
x
Figure 1. Diusion of hydrogen through a steel wall
Data. As per problem statement
Assumptions.
(1) Steady-state one dimensional diusion mass transfer
CHE3165 - WEEK 8 SOLUTION
Figure 1. default
(a) Ethanol is not removed at point (1), so it is a stationary phase and this is a case of
diusion through a stationary phase.
(b) The area for mass transfer is given by
D2
= 1.963 105 m2
4
The mass rate at whic
CHE3165 - WEEK 9 SOLUTION
Question 1
(a) Yes, mass transfer is occurring because there is a changing concentration gradient
within both phases. The transfer is from gas to liquid.
(b)
H
= yi /xi
= 0.018/0.024
= 0.75 mol frac/mol frac
(c) The driving force
a)
w ] Wﬂﬂ‘iﬁq
L0 = 10 K9
MI in LN,‘ ’LN -"_- 9,
:30 m1 L
[all (10 PP ml, 15—! Ln amen ZN=5PPM
h V1 V“ W VN _V-
31 3n. an“ 3”“: o
V. = o‘easkj V "H = 0.6148115
KW: “00 Ppm (aswmed)
élé No’re: I (Mn/1L read pmpedy NEGLECT Change; in ﬂow 7‘?» cat/Mahala!
CHE3165 - Assignment 4!
Semester One, 2013
Question
The solute A is being absorbed from a gas mixture of A and B in a wetted-wall tower with the
liquid owing as a lm downward along the wall. At a certain point in the tower the bulk gas
concentration yA =
CHE3165 Tutorial Problems!
Semester One, 2013
Week 2
Question 1 - to be completed as homework before the tutorial
450 kg mol of pure water at 293 K and 150 kg mol of gas (containing air and 0.20 mole
fraction CO2 at 1.1 atm abs pressure) are fed into a si
CHE3165
Separation Processes
1
Learning outcomes
By the end of todays lecture you should be able to:
1. Define convective mass transfer
2. Select an appropriate empirical equation to calculate the mass transfer
coefficients
3. Apply mass transfer coeffic
CHE3165
Separation Processes
1
Sunday, 28 April 13
Worked Example
In a gas-liquid system with both bulk phases well-mixed, the overall
mass transfer coefficient KG has been measured at
0.02 mol/m2.s.mm Hg. The total pressure of the system is 500 mm Hg.
T
CHE3165
Separation Processes
1
Learning outcomes
By the end of todays lecture, you should be able to
1. Define the rate based method for packed columns
2. Define Height Equivalent to a Theoretical Plate (HETP) and explain how it
and the number of equilib
CHE3165
Separation Processes
1
Where are we at?
Lecture 18 - Adsorption on Solids
13th May 2013
2
Where are we at?
Lecture 18 - Adsorption on Solids
13th May 2013
3
Learning outcomes
By the end of this weeks lectures, you should be able to
1.
2.
3.
4.
De
CHE3165
Separation Processes
1
Learning outcomes
By the end of this weeks lectures, you should be able to
1.
2.
3.
4.
Define mechanism of Adsorption on Solids
Fit adsorption isotherm equations to experimental data
Calculate the amount of Adsorbent requir
CHE3165
Separation Processes
1
Learning outcomes
By the end of this weeks lectures, you should be able to
1.
2.
3.
4.
Define the nature of membranes
Define the mechanism of membrane separation
Explain relevant membrane diagrams and basic equations
Explai
CHE3165 - Separation Processes
Worked Example: Liquid-liquid extraction - counter current
Solute C is to be extracted from solution in solvent A using pure water. The phase-boundary for the system
is given on the right-angle triangular diagram attached. E
m
M?!
WW 7W, 4W x . W , , W
, W : WWWLWAWWWWWWQWWWE- u g x
(5 1, , 33? a , 3223 g X 314M
+ aw WWWWWW n
W/ Siam + S. H nmz + 354% + HQ” NZ
/!
a» ﬁ ,W a “8:3 .2: 8 52255
E
six + mﬂv Assn WWW“; MU 31.3
«2:8 + Q N $2 + Sash + QM VZ «REE
3H.
CHE3165: Separation
Processes
Unit Coordinator: Dr Lian Zhang
Unit Lecturers: Lian Zhang, Akshat Tanksale, Thanh Nguyen
Email: [email protected]
Room: 69-206
Worked Example
(Equilibrium stage, totally immiscible, concentrated)
A gas stream at 30C, 1.0
CHE3165: Separation
Processes
Unit Coordinator and Lecturer: Dr Lian Zhang
Email: [email protected]
Room: 69-206
Learning Outcomes
By the end of this weeks lecture you should be able to:
1. Analyse the LLE mass balance on triangular charts
2. Solve s