CH5025 Fundamental Concepts and Applications of Adsorption


Learning outcomes: 1. Compare adsorption with other separation techniques and decide when to choose it 2. Understand the different factors that contribute to the adsorption 3. Apply different adsorption equilibrium models for single and multicomponent systems 4. Design adsorbers for single and multicomponent systems through batch and continuous dynamic models 5. Study the procedures used to synthesize different types of adsorbents 6. Interpretation of different adsorbent properties after characterization 7. Update knowledge on recent advances in adsorbents and adsorption processes 8. Specify suitable adsorbent and process conditions in a given chemical, pharmaceutical or environmental application


Course contents: Introduction: Evolution of adsorption as a separation technique. Adsorption versus other separation techniques. Fundamental factors influencing adsorption of solutes. Adsorption equilibria and kinetics: Typical isotherms in single and multicomponent systems: Freundlich, Langmuir, IAST, Sips. Heat of adsorption. Adsorber Design: Modelling the dynamics of batch and continuous adsorption processes. Design of adsorbers. Engineered adsorbents: Natural adsorbents, Procedures involved in the synthesis, activation and functionalization of adsorbents such as activated carbon, activated alumina, synthetic zeolites, carbon nanotubes and metal organic frameworks. Regeneration of spent adsorbents. Analysis of adsorbents: Characterization of adsorbents and interpretation of results from the use of SEM, BET, FTIR, XRD and TPD instruments. Applications of adsorption: Choice of adsorbent and adsorption processes for different separation problems encountered in chemical, pharmaceutical and environmental applications Current and future trends: Advances in adsorbents and adsorption processes.

Text Books:

1. Seader, J.D., E. J. Henley, and D. K Roper: Separation Process Principles with Applications Using Process Simulators, 4th ed., John Wiley, New Jersey, 2016.

2. Worch, E.:Adsorption Technology in Water Treatment“ Fundamentals, Processes and Modeling , De Gruyter, Berlin, 2012.

3. Yang, R. T.: Adsorbents Fundamentals and Applications , John Wiley and Sons, New Jersey, 2003


1. Bansal, R. C., and M. Goyal: Activated Carbon Adsorption , Taylor and Francis, London, 2005.

2. Crittenden, B., and W. J. James: “Adsorption Technology and Design†, Butterworth-Heinemann, Oxford, 1998.

3. Papers published in open literature detailing current state of art and future trends in adsorption