Enthalpy of mixing of {(1−x)KCl+xBiCl3} at 690 K

Lukas, Wojciech; Gaune‐Escard, M.; Bros, J.P.

doi:10.1016/0021-9614(87)90093-0

Cited by 6 publications

(2 citation statements)

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“…Other alkali chloride mixtures with the trichlorides have been reported (e.g., the KCl−AlCl 3 48 system studied at 543 K, the KCl−FeCl 3 49 system studied at 970−1000 K, and the KCl−BiCl 3 46 system studied at 690 K); however, they do not contain lanthanides or actinides and are also considered at relatively low temperatures compared with those for the systems of this study.…”

Section: Introductionmentioning

confidence: 99%

“…The experimental Δ mix H data for alkali chloride mixtures with lanthanide and yttrium trichlorides are abundant in the literature, thanks to extensive work published in the 1960s–1970s by Kleppa and co-workers, ,,,,− and in the last few decades by Gaune-Escard’s group. ,− However, work on mixtures of alkali chlorides and actinide trichlorides appears to be nonexistent with the exception of that for the NaCl–UCl 3 and KCl–UCl 3 systems. , The Δ mix H of the 48 sets of data available for these systems were extracted for our analysis and are listed in Table .…”

Section: Introductionmentioning

confidence: 99%

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Correlational Approach to Predict the Enthalpy of Mixing for Chloride Melt Systems

et al. 2021

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A methodology to estimate the heat of mixing (Δ mix H ) for salt liquids in unexplored AkCl–AnCl x /LnCl x (Ak = alkali, An = actinide, Ln = lanthanide) systems is developed. It improves upon previous empirical approaches by eliminating the need for arbitrarily choosing the required composition at maximum short-range ordering, the minimum Δ mix H prior to performing the estimation, which avoids the intrinsic ambiguity of that approach. This semiempirical method has computationally reproduced the behavior of NaCl–UCl 3 and KCl–UCl 3 systems, providing Δ mix H values that agree well with the reported measurements within a propagated two standard deviations (2σ). The capability of the approach is demonstrated in its application to the entirety of the AkCl–UCl 3 and AkCl–PuCl 3 systems, the results from which have facilitated the accurate thermodynamic modeling of these and other AkCl–AnCl 3 /LnCl 3 systems. The resultant assessed Gibbs energy functions and models have been incorporated in the Molten Salt Thermal Properties Database–Thermochemical (MSTDB-TC).

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Section: Introductionmentioning

confidence: 99%