|Publisher DOI:||10.1016/j.supflu.2007.02.011||Title:||Management and control of modifier content in preparative SFC solvent cycles||Language:||English||Authors:||Kaemmerer, Henning
|Keywords:||Control;Fourier transform infrared spectroscopy (FTIR);Modifier;Simulated moving bed (SMB);Solvent cycle;Supercritical fluid chromatography (SFC)||Issue Date:||2007||Source:||Journal of Supercritical Fluids 2 (43): 204-213 (2007)||Journal or Series Name:||The journal of supercritical fluids||Abstract (english):||The objective of this work was to establish a solvent cycle with a possibility for modifier control in a preparative supercritical fluid chromatography simulated moving bed plant (SFC-SMB). Fourier transform infrared (FTIR) spectroscopy and flame ionization detection (FID) have been investigated for measuring alcohol concentrations in supercritical carbon dioxide. The integration of these in-line techniques into a modifier control schema allowed the operation of a closed loop SFC-SMB cycle. The applicability of the developed control concept for usage of 2-propanol in supercritical carbon dioxide has been verified by an experimental test series involving an eight column SFC-SMB plant. Different process variations have been compared in terms of energy and solvent consumption. Hereby, savings of almost all CO2 and 76% modifier could be achieved.||URI:||http://hdl.handle.net/11420/4770||ISSN:||0896-8446||Institute:||Thermische Verfahrenstechnik V-8||Type:||(wissenschaftlicher) Artikel|
|Appears in Collections:||Publications without fulltext|
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