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Main Menu Session 1613

Fundamentals of Fixed Bed Adsorption Processes: Analysis of Adsorption Breakthrough and Desorption Elution Curves.

James M. Becnel, Charles E. Holland, James McIntyre, Michael A. Matthews, and James A. Ritter

Department of Chemical Engineering University of South Carolina, Columbia, SC, 29205

Introduction Fixed bed adsorption processes are ubiquitous throughout the chemical process and other industries. This laboratory is an extension of a lab proposed by Cruz et. al. (2000), which is designed to allow students to explore essential operating features of a fixed bed adsorber through hands-on, data-gathering experiments. Students expand knowledge from the Unit Operations classroom, as well as develop their experimental, analytical, and communication skills. From the students' perspective, the laboratory will integrate experimental procedures and data with fundamental modeling, while providing insight into adsorption processes. An open-ended design challenge is also incorporated. Topics for student assessment are also presented.

Learning Objectives This laboratory is designed to integrate analysis, evaluation, design, and communication skills. It is an extension of the adsorption/desorption experiment presented by Cruz, et. al. (2001). In their laboratory students: · Gather data in a hands-on experiment. o Experimental design. o Manual and automated controls. o Automated data acquisition. · Observe and model dynamic adsorption behavior: o Non-linear data fitting. o Solute Movement Theory / the Method of Characteristics. o Concentration shock waves. · Graphing data for clarity and to support explanations.

Using a mostly identical apparatus, we have modified the lab to include: · Dynamic mass balances. · Numerical integration of data. · Numerical differentiation of data. · Equilibrium adsorption isotherms based on dynamic mass balances. · Equilibrium adsorption isotherms based on the Method of Characteristics. · An open-ended design challenge based directly from the student’s data.

“Proceedings of the 2002 American Society for Engineering Education Annual Conference & Exposition Copyright © 2002, American Society for Engineering Education.”

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Matthews, M., & Ritter, J., & Mc Intyre, J., & Becnel, J., & Holland, C. (2002, June), Fundamentals Of Fixed Bed Adsorption Processes: Analysis Of Adsorption Breakthrough And Desorption Elution Curves Paper presented at 2002 Annual Conference, Montreal, Canada. 10.18260/1-2--10739