Comprehensive monitoring of a biphasic switchable solvent synthesis

Literature Information

Publication Date 2012-11-28
DOI 10.1039/C2AN36044F
Impact Factor 4.616
Authors

Sonja Hardy, Irene M. de Wispelaere, Walter Leitner, Marcel A. Liauw


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Abstract

Biphasic reactions were investigated in a specially designed high pressure set-up that allows simultaneous fibre-optic ATR IR and ATR UV-Vis measurements in both phases. The scope of quantitative spectroscopic measurements is tested on the absorption of CO2 in hexanol and a biphasic switchable solvent synthesis. For both systems, all substances including dissolved and gaseous CO2 can be quantified and a constant total mass balance over all phases can be achieved for every component in the reaction system. This confirms that the quantification methods are applicable and the reactor can be applied to gain further insight into the microkinetics and transport phenomena of multiphase reactions.

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