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Extraction of {UO2}(2+) in intensified separators of different sizes using ionic liquids

Tsaoulidis, D; Ortega, EG; Angeli, P; (2016) Extraction of {UO2}(2+) in intensified separators of different sizes using ionic liquids. In: 2016 24th International Conference on Nuclear Engineering. American Society of Mechanical Engineers (ASME)

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Abstract

In this work the extraction of dioxouranium(VI) from aqueous nitric acid solutions (3M) into TBP/ionic liquid mixtures (30% v/v), is studied in intensified small scale separator channels of different sizes. High speed imaging is used to obtain the important hydrodynamic features of the flow (i.e. plug velocity and plug length) which are related to mass transfer and extraction efficiency. It was found that the overall mass transfer coefficients varied between 0.07 and 0.24 s−1 and increase by decreasing the channel size. The extraction efficiency was also affected by the channel size. A decrease in channel size leads to higher extraction efficiencies, while for a certain channel size the extraction efficiency decreases by increasing the mixture velocity.

Type: Proceedings paper
Title: Extraction of {UO2}(2+) in intensified separators of different sizes using ionic liquids
Event: 24th International Conference on Nuclear Engineering (2016)
Location: Charlotte, North Carolina, United States
Dates: 26 June 2016 - 30 June 2016
ISBN-13: 978-0-7918-5004-6
DOI: 10.1115/ICONE24-60758
Publisher version: http://doi.org/10.1115/ICONE24-60758
Language: English
Additional information: Copyright © 2016 by ASME
Keywords: Science & Technology, Technology, Engineering, Mechanical, Nuclear Science & Technology, Engineering, CONTACTORS
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Chemical Engineering
URI: https://discovery.ucl.ac.uk/id/eprint/1530754
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