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  Prediction of competitive adsorption isotherms and adsorber dynamics using exclusively discrete experimental data

Rubiera Landa, H. O., Rajendran, A., & Seidel-Morgenstern, A. (2014). Prediction of competitive adsorption isotherms and adsorber dynamics using exclusively discrete experimental data. Talk presented at Jahrestreffen der ProcessNet-Fachgruppe Adsorption. Fulda, Germany. 2014-03-05 - 2014-03-06.

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 Creators:
Rubiera Landa, Hector O.1, Author              
Rajendran, Arvind2, Author
Seidel-Morgenstern, Andreas1, 3, Author              
Affiliations:
1Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738150              
2University of Alberta, Dept. of Chemical and Materials Engineering, Edmonton, Alberta, Canada, ou_persistent22              
3Otto-von-Guericke-Universität Magdeburg, External Organizations, ou_1738156              

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 Abstract: Subject of this work is the application of discrete single component adsorption equilibrium data to directly predict: a) competitive adsorption isotherms using the Ideal Adsorbed Solution Theory (IAST) [1], and b) the dynamics of concentration profiles in fixed-bed adsorbers. The work is based on a study of single component adsorption [2], considering here binary mixtures and single component isotherms with inflection points in their courses. An experimental system already studied extensively in [3] was re-analyzed both experimentally and theoretically. A recently developed approach to solve the IAST equations [4] was extended to process just a few discrete single component equilibrium measurements as input to estimate multicomponent adsorption equilibria using extrapolation techniques. Then the incorporation of mixture isotherms generated in this way into a conventional fixed-bed adsorber model is demonstrated. The concept and the tools developed offer a rapid estimation of front propagation dynamics. Results of a systematic critical analysis reveal also limits of the approach. References [1] Myers AL, Prausnitz JM. AIChE Journal. 1965;11:121-127. [2] Haghpanah R, Rajendran A, Farooq S, Karimi IA, Amanullah M. Industrial and Engineering Chemistry Research. 2012;51:14834-14844. [3] Diack M, Guiochon G. Langmuir. 1992;8:1587-1593. [4] Rubiera Landa HO, Flockerzi D, Seidel-Morgenstern A. AIChE Journal. 2013;59(4):1263-1277.

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Language(s): eng - English
 Dates: 2014
 Publication Status: Not specified
 Pages: -
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 Rev. Type: Peer
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Title: Jahrestreffen der ProcessNet-Fachgruppe Adsorption
Place of Event: Fulda, Germany
Start-/End Date: 2014-03-05 - 2014-03-06
Invited: Yes

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