1. Wah Engineering College
Department of Chemical Engineering
Ch.E- 104 - Particle Technology, Spring 2012
Instructor: Mr. Waqas Ahmad
Email: Waqas.Ahmad@wecuw.edu.pk
Male Faculty Room (Cabin No. 07)
Office Hours: Tuesday (11am – 12pm), Wednesday (1 – 2pm)
Credit Hours: Theory (3) Practical (1)
Class: Room - 10
Required Text:
1. Harker, J. H. and Richardson, J. F. Chemical Engineering. Vol 2, 5th Edition,
Butterworth-Heinemann, 2002
2. Warren, L. M, Smith, J.C., and Harriott, P. Unit Operations of Chemical Engineering,
7th edition, McGraw-Hill, 2005
Supplementary References
1. Brown, G.G. Unit Operations, 1st edition, 1995
2. Badger, W.L. and Banchero, J.T. Introduction to Chemical Engineering, McGraw-Hill
3. Perry, R.H. and Green, D.W. Perry’s Chemical Engineers’ Handbook, 8 th edition,
McGraw-Hill, 2007
Course objectives: Particle processing is of fundamental importance to manufacturing in
process industries. More than 70% of products are either in the form of powders or pass
through a powder stage in their manufacture. Some examples include the personal products,
pharmaceutical, chemical, fuels, mineral, nuclear and metal industry. At the end of this
course, students will be able to understand:
1. A broad understanding of the fundamentals of particle technology.
2. Knowledge of working in a particle characterization laboratory.
Grading basis: Quizzes (7.5%), Assignments (7.5%), Projects (7.5%), Mid-Term (15%),
Final Examination (37.5%), and Partical Notebook (15%), Viva (10%)
Attendance Policy:
Attendance at all classes is strongly recommended. Department policy is that any student
having less than 80% attendance, in both theory lectures as well as lab sessions, will not be
allowed to sit in the examination.
Spring 2012

2. Wah Engineering College
Department of Chemical Engineering
Academic Misconduct:
Teamwork on homework is encouraged for learning purposes. However, all assignments
turned in by the student must show the student’s own work. Any evidence that a student
has access to and/or is copying homework answers from the instructor’s Manual for the text
for this course will result in that student receiving zero for all homework for this course. All
examination answers must be strictly one’s own work. Department policy is that any
student suspected of cheating or aiding other students to cheat will receive a zero for that
assignment.
Spring 2012

3. Wah Engineering College
Department of Chemical Engineering
Course Syllabi
Introduction to Chemical Engineering and Importance of Particle Technology in Chemical
Process Industries, Shape and size of the particles, Fundamental of the following unit
operations; Screening, conveying, mixing, size reduction and size enlargement,
crystallization, Different types of screening equipment, conveyors, mixers, size reduction
equipments and crystallizers with emphasis on the following; Operation and working
principle, design and the controlling parameters, efficiency evaluation, applications and the
selection criterion.
Instructor Weekly Lecture Plan
Weeks Topics
WEEK 01 Introduction to Chemical Engineering
Importance of particle technology
WEEK 02 Characteristics of individual particles
Characteristics of particulate solids
Hardness of materials (Mohr’s Scale)
Screen operations and its types and effectiveness
WEEK 03 Introduction to agglomeration and its various mechanisms
Equipments used for conveying of solids
Mixing and the mechanisms of blending solid particles
Types of mixers
WEEK 04 Screen standards, Screen intervals, significance of
differential and cumulative plots
Size Separation equipments
WEEK 05 Size reduction fundamentals, Wet and dry grinding
WEEK 06 Laws of Crushing, crushing efficiency
WEEK 07 Different types of crushers
WEEK 08 Different types of crushers
WEEK 09 Mid-Term Exam
WEEK 10 Scope of size enlargement, binding mechanism of
agglomerates
WEEK 11 Strength testing methods
WEEK 12 agglomeration in detail
WEEK 13 Solid-Solid Mixing fundamentals
WEEK 14 Different types of solid mixing machines
WEEK 15 Mixing index fundamentals
WEEK 16 Crystallization
WEEK 18 End term Exam
Spring 2012