Mass Transfer Operations

ChE 314: Mass Transfer Operations

 
Catalog Data
(3 credit hours – 4 contact hours)
(Study of the operations involving diffusion and convective mass transfer)
 
Prerequisite
ChE 202, ChE 313
 
Textbook
C. J. Geankoplis, Transport Processes and Separation Principles: Includes Unit Operations, 4th Ed., Prentice-Hall Inc., New Jersey, 2003.
 
References
1- J. Benitez, Principles and Modern Applications of Mass Transfer Operations, Wiley-Interscience, New York, 2002.
2- W. L. McCabe, J. C. Smith and P. Harriott, Unit Operations of Chemical Engineering, 6th ed., McGraw-Hill, Inc., New York, 2001.
3- R. E. Treybal, Mass Transfer Operations, 3rd Ed., McGraw-Hill, New York, 1981.
4- E. L. Cussler, Diffusion: Mass Transfer in Fluid Systems, 2nd Ed., Cambridge Press, Cambridge, 2003.
 
 
Goals
1.Understand mass transfer by diffusion and the diffusion coefficient.
2.Understand mass transfer by convection.
3.Understand the mass transfer coefficient
4.Study processes involving mass transfer in chemical process industries: absorption and humidification.
 
Topics to be covered
1.   Principles of Mass Transfer (5 weeks):
Introduction to mass transfer and diffusion, molecular diffusion in gases, molecular diffusion in liquids, molecular diffusion in biological solutions and gels, molecular diffusion in solids, numerical methods for steady-state molecular diffusion in two dimensions.
2.   Principles of Convective Mass Transfer (4 weeks):
Convective mass transfer coefficients, mass transfer coefficients for various geometries, mass transfer to suspensions of small particles, diffusion of gases in porous solids and capillaries, dimensional analysis in mass transfer.
3.   Stage and Continuous Gas-Liquid Separation Processes (5 weeks):
Types of separation processes and methods, equilibrium relations between phases, single and multiple equilibrium contact stages, mass transfer between phases, absorption in plate and packed towers, absorption of concentrated mixtures in packed towers, estimation of mass transfer coefficients for packed towers, continuous humidification processes.
 
 

Class Requirements

1. Homework assignments (10 marks).

2. Two Mid-Term Exam: (40 marks)

3. Final exam (50 marks).