Online Syllabus - CH272

CH272: APPLIED PHASE AND CHEMICAL EQUILIBRIA
Spring 2002

Catalog Data: CH272 Applied Phase and Chemical Equilibria
Fugacities, activities, thermodynamics of solutions, phase equilibria, reaction equilibria, and flash calculations. Engineering applications, safety and design considerations.
Pre-requisites: None
Textbook: Introductory Chemical Engineering Thermodynamics
J.R. Elliot and C.T. Lira, Prentice Hall, 1999.
The authors of the text maintain a web site from where you can download supporting materials including a list of corrections to typographical errors in the book. (http://www.egr.msu.edu/~lira/thermtxt.htm)
Instructor: Ross Taylor (CAMP 222, 268-6652, taylor@clarkson.edu)
Office hours: Open door policy or by appointment
Course site: http://www.clarkson.edu/~chengweb/curricula/syllabi/ch272.html

Learning Objectives:
1. To introduce a bewildering array of thermodynamic properties some of which have names like Gibbs excess energy, Helmholtz energy, activity, fugacity, and K-constants (even though they're not - constant that is).
2. To study law (the laws of Raoult, Henry, and Ideal Gas will do for a start). To understand how to calculate activity coefficients, fugacity coefficients and other strange quantities that help when these laws fail (which is most of the time).
3. To know what the acronyms NRTL, UNIQUAC, UNIFAC, ASOG, MHV2, SRK, PR, and PRSV stand for, what to calculate with them, when to use them, and - perhaps more important - when not to use them.
4. To carry out phase equilibrium calculations for multiphase systems (e.g. vapor-liquid, liquid-liquid).
5. To understand chemical reaction equilibria.
6. To understand and create phase diagrams for multiphase systems.
7. To understand and create residue curve and distillation boundary maps.
8. To model simple equilibrium stage operations such as the single stage flash.

Learning Outcomes1:
1. Students will become familiar with fugacity coefficients, activity coefficients, K-values, and other thermodynamic properties of mixtures [1,2] (1)
2. Students will know how to choose from a menu of models for calculating these properties [1,2] (1)
3. Students will be able to recognize different kinds of vapor-liquid and liquid-liquid phase diagrams [1,2] (1)
4. Students will be able to sketch distillation boundary maps and residue curve maps and understand the significance of these diagrams [1,2] (1)
5. Students will be able to model simple equilibrium stage operations. [1,2] (1)

Evaluation Methods:

1. Five projects (90%)
2. Spot quizzes (10%)
__________________________________________

1 Numbers in [] refer to evaluation methods used to assess student performance
Numbers in () refer to the program outcomes

Project Policy:
Project reports will be due by 12-noon on specified dates. Reports received up to 24 hours after the due date and time will be accepted but subjected to a penalty as outlined below. Reports received up to 2 hours late will suffer a 10% penalty. Those received more than 2 hours late but less than 14 hours late will suffer a 25% penalty. Those received more than 14 hours but less than 24 hours late will receive a 50% penalty. Reports received more than 24 hours late will not receive a grade. I will entertain questions pertaining to any project until 48 hours before the report is due. If you leave everything to the last minute you are unlikely to produce an acceptable report. Reports will be graded on both technical merit and artistic impression (the latter covers appearance, writing quality, and anything else that goes into making an acceptable written document). You will be required to rewrite reports that are unacceptable for any reason. One of the projects will involve making a model of some thermodynamic property.

Quiz Policy:
A preliminary quiz will cover material from chapters 1-7 from Elliot and Lira and from CH250 (Chemical Process Calculations). You must obtain an acceptable score on the preliminary quiz otherwise grades for other assignments will not count. Opportunities to retake the preliminary quiz will be provided every other day class is held (but not during class time). There will be additional unannounced quizzes during the semester. Quiz grades will be recorded on a pass/fail basis. To obtain a passing grade on any individual quiz you must obtain a raw quiz score of at least 75%. Quizzes will count as 10% of the overall course score. Quizzes will be closed book, closed notes.

Course Outline:

1. The fundamental equations, definitions of H, A, and G (review from CH271)
2. Maxwell equations (review from CH271)
3. Equations of state (partial review from CH271)
4. Property relations and derived properties (review from CH271)
5. The Gibbs energy and equilibrium
6. Equilibrium in one-component systems
7. Equilibrium in multicomponent systems
8. K-values and relative volatility
9. Equilibrium data
10. Ideal behavior
11. Nonideal behavior
12. Activity coefficient models
13. Parameter fitting
14. Fugacity coefficients for mixtures from equations of state
15. K-value models
16. Bubble and dew point calculations
17. Computer creation of phase diagrams
18. Phase diagrams for vapor liquid systems
19. Phase diagrams for liquid liquid systems
20. High-pressure phase behavior - retrograde behavior
21. Flash calculations
22. Azeotropes
23. Three-phase behavior
24. Reaction equilibrium
25. Residue curves and distillation boundaries
26. Simple equilibrium stage models and calculations

Class Time: MWF 9:00 AM, CAMP 176

CH271, Computers, and You:

I make very extensive use of Maple to do thermodynamics. Maple is an excellent tool for a wide variety of computational tasks. I will often use Maple in the classroom for symbolic and numerical calculations as well as for graphical visualizations. All of the Maple worksheets that I have created for this course will be available to you on the Clarkson network. These worksheets are my notes for the course. To read these worksheets you must load them into Maple, from which they can be printed if desired (paper copies will not be made available). You are not required to use Maple to do thermodynamic calculations and you may carry out necessary computational work using any approach you like. This doesn't mean that it would not be a good idea to use Maple, only that you don't have to. Spreadsheet programs (e.g. Excel) will be very useful from time to time (see section on textbook). There are other software packages that can do numerical calculations and graphical visualizations.