Adsorption separations - 2014

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Class date(s): 12 November 2014
Download video: Link [426 M]

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Download video: Link [819 M]

References

Please use these references to read ahead, or for extra background reading. In alphabetical order:

  • Ghosh, R. "Principles of Bioseparations Engineering", Chapter 8, McMaster (reserve)
  • Geankoplis, C.J. "Transport Processes and Separation Process Principles", Chapter 12 in 3rd and 4th edition, McMaster Libraries (reserve)
  • Perry's Chemical Engineers' Handbook, Chapter 22, Direct link (McMaster subscription)
  • Richardson and Harker, "Chemical Engineering, Volume 2", 5th edition, Chapter 17 ebook
  • Schweitzer, "Handbook of Separation Techniques for Chemical Engineers", Chapter 3.1, McMaster library
  • Seader, Henley and Roper, "Separation Process Principles", Chapter 16 in 2nd and 3rd edition McMaster Libraries (reserve)
  • Uhlmanns Encyclopedia article on Adsorption
  • Wankat, "Separation Process Engineering", Chapter 16, McMaster library

Resources

Scroll down, if necessary, to see the resources.

Date Class number Topic Slides for class Video and audio files References and Notes
12 November 11C

Overview of various adsorbents and their application

Slides

Video Audio
14 November 11D

Some adsorbents and equilibrium theory

Slides

Video Audio
19 November 12A

More adsorption case studies, focussing on equilibrium

Slides

Video Audio

Apart from the case studies on adsorption, we consider learning skills, based on the two axes presented in this diagram.

My challenge to you is to honestly locate your capabilities on this graph, and aim to push yourself to the peak.

21 November 12B

More details on continuous adsorption with some problems posted in the notes to work through.

Slides

Video Audio

Here are the data from the batch adsorber (slide 32). See if you can calculate the Langmuir isotherm values.

\(\mathbf{C_A}\) \(\mathbf{C_{S,A}}\)
0.004 0.026
0.009 0.053
0.019 0.075
0.027 0.082
0.094 0.123
0.195 0.129
  • A sequence of 3 articles by Lukchis on designing and sizing packed bed adsorbers. The first of the 3 articles clearly explains breakthrough time, \(\theta_b\), stoichiometric time, \(\theta_s\), and equilibrium time, \(\theta_e\). The remaining parts talk about the design and sizing of adsorbers.
  • A review article on air separation, including adsorption methods.