# CBEMS 45B Chemical Processing and Energy Balances (2014-2015)

#### CBEMS 45B Chemical Processing and Energy Balances

**CBEMS 45B Chemical Processing and Energy Balances (Credit Units: 3)** Principles of thermodynamics: definitions, basic concepts, and laws; property relationships; construction of thermodynamic charts and tables; energy balances; phase and chemical equilibria; combined mass and energy balances. Prerequisite: CBEMS45A with a C- or better and Mathematics 3A. Chemical Engineering and Materials Science Engineering majors have first consideration for enrollment. Only one course from CBEMS 45B, ENGRMAE 91 may be taken for credit. (Design units: 0)

- Perry's Chemical Engineers Handbook, R.H. Perry and D.W. Green Eds. 7th Edition, McGraw-Hill, New York, 1997
- Elementary Principles of Chemical Processes, R.M. Felder and R.W. Rousseau, 3rd Edition, Wiley, New York, 2000

1. Utilize the concept of energy balance to formulate and apply combined mass and energy balances to engineering processes. (EAC a)

2. Apply the first and second laws of thermodynamics to characterize the efficiency of chemical and engineering processes. (EAC a)

3. Apply the combined equation of first and second laws to analyze the evolution from non-equilibrium to equilibrium state and to determine the equilibrium condition (EAC a, EAC e)

4. Define thermodynamic variables, functions and describe their physical significance. (EAC a)

5. Analyze thermodynamics processes involving power production, refrigeration, liquefaction, and be able to calculate relevant system efficiences for these processes. (EAC c, EAC j)

6. Use steam tables and thermodynamic charts in the context of energy and entropy calculations. (EAC e)

7. Demonstrate the professional and ethical consequences of systems design choices based on thermodynamic principles, and understand the impact of engineering solutions from both global and societal standpoints. (EAC f, EAC h, EAC j)

Mass balance analysis of chemical and industrial processes, Chemical stoichiometry, Basic principles of chemical engineering.

- History of thermodynamics
- Introduction to energy balances, heat, work, intensive and extensive thermodynamic properties.
- Energy balance and the first law
- Application of mass and energy balances.
- Entropy and entropy balance
- Second law of thermodynamics.
- The combined relationship of the first and second laws and the evolution from non-equilibrium to equilibrium state
- Equilibrium conditions and thermodynamic functions
- Efficiency of engines
- Applications of mass, energy and entropy balances
- Ethical and professional responsibility in engineering design.

Meets for 3 hours of lecture each week for 10 weeks.

Students are required to use basic computer skills to solve short design problems (Homework)

None.

The ethical and professional responsibilities in engineering design and manufacturing are discussed in lecture with real life examples. The students’ understanding of these concepts is assessed.

None.

- Homework: 25%
- Midterm Exam: 30%
- Final Exam: 45%
- Total: 100%

Mathematics and Basic Science: 0.0 credit units

Computing: 0.0 credit units

Engineering Topics: 3.0 credit units

Engineering Science: 3.0 credit units

Engineering Design: 0.0 credit units