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  • 1 Université de Lyon, 69000, Lyon, France
  • | 2 Université Lyon 1, Laboratoire Hydrazines et Procédés, UMR CNRS 5179, 69622, Lyon, Villeurbanne Cedex, France
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Abstract

Three isothermal sections of the isobaric ternary system H2O–NaOH–C5H10NH were determined by Isoplethic Thermal Analysis at 293, 313, and 323 K. Miscibility gaps were completely delimited and each critical point was calculated. This system is then characterized by a prevalent miscibility gap, three crystallization domains and two triphasic invariant domains. The relevant exploitation of this diagram so permits us to deduce the demixing temperature leading to the optimal transfer of the organic compounds in the light phase and also the composition of the organic phase recovered after this second step of extraction. Moreover, the addition of calculated quantities of sodium hydroxide aqueous solution allows to be in optimized conditions for the next distillation operations.

  • 1. Labarthe, E, Bougrine, AJ, Delalu, H, Berthet, J, Counioux, JJ 2009 Equilibrium study between condensed phases by isoplethic thermal analysis when a miscibility gap is observed. J Therm Anal Calorim 95 1 135139 .

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  • 2. Labarthe E , Bougrine AJ, Delalu H. Study of the polythermal diagram water-sodium sulphate-piperidine. J Therm Anal Calorim. doi: .

  • 3. Berthet J , Counioux JJ. Patent F9313402. 4 Nov 1993.

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  • 6. Rollet, AP, Cohen-Adad, R 1694 Les systèmes “eau-hydroxyde alcalin”. Revue de chimie minérale 1:451478.

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  • Impact Factor (2019): 2.731
  • Scimago Journal Rank (2019): 0.415
  • SJR Hirsch-Index (2019): 87
  • SJR Quartile Score (2019): Q3 Condensed Matter Physics
  • SJR Quartile Score (2019): Q3 Physical and Theoretical Chemistry
  • Impact Factor (2018): 2.471
  • Scimago Journal Rank (2018): 0.634
  • SJR Hirsch-Index (2018): 78
  • SJR Quartile Score (2018): Q2 Condensed Matter Physics
  • SJR Quartile Score (2018): Q2 Physical and Theoretical Chemistry

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
4
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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