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Xu Y, Riordon J, Cheng X, et al. The Full Pressure-Temperature Phase Envelope of a Mixture in 1000 Microfluidic Chambers. Angew Chem Int Ed Engl. 2017;56(45):13962-13967doi: 10.1002/anie.201708238.
Xu, Y., Riordon, J., Cheng, X., Bao, B., & Sinton, D. (2017). The Full Pressure-Temperature Phase Envelope of a Mixture in 1000 Microfluidic Chambers. Angewandte Chemie (International ed. in English), 56(45), 13962-13967. https://doi.org/10.1002/anie.201708238
Xu, Yi, et al. "The Full Pressure-Temperature Phase Envelope of a Mixture in 1000 Microfluidic Chambers." Angewandte Chemie (International ed. in English) vol. 56,45 (2017): 13962-13967. doi: https://doi.org/10.1002/anie.201708238
Xu Y, Riordon J, Cheng X, Bao B, Sinton D. The Full Pressure-Temperature Phase Envelope of a Mixture in 1000 Microfluidic Chambers. Angew Chem Int Ed Engl. 2017 Nov 06;56(45):13962-13967. doi: 10.1002/anie.201708238. Epub 2017 Oct 04. PMID: 28940613.
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Angew Chem Int Ed Engl. 2017 Nov 06;56(45):13962-13967. doi: 10.1002/anie.201708238. Epub 2017 Oct 04.

The Full Pressure-Temperature Phase Envelope of a Mixture in 1000 Microfluidic Chambers.

Angewandte Chemie (International ed. in English)

Yi Xu, Jason Riordon, Xiang Cheng, Bo Bao, David Sinton

Affiliations

  1. Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, Ontario, M5S 3G8, Canada.
  2. Interface Fluidics, 11421 Saskatchewan Dr. NW, Edmonton, Alberta, T6G 2M9, Canada.

PMID: 28940613 DOI: 10.1002/anie.201708238

Abstract

Knowing the thermodynamic state of complex mixtures-liquid, gas, supercritical or two-phase-is essential to industrial chemical processes. Traditionally, phase diagrams are compiled piecemeal from individual measurements in a pressure-volume-temperature cell performed in series, where each point is subject to a long fluid equilibrium time. Herein, 1000 microfluidic chambers, each isolated by a liquid piston and set to a different pressure and temperature combination, provide the complete pressure-temperature phase diagram of a hydrocarbon mixture at once, including the thermodynamic phase envelope. Measurements closely match modeled values, with a standard deviation of 0.13 MPa between measurement and model for the dew and bubble point lines, and a difference of 0.04 MPa and 0.25 °C between measurement and model for the critical point.

© 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: analytical methods; microreactors; phase diagrams; sensors; thermodynamics

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