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Sunday, July 19, 2020 | History

2 edition of thermodynamic properties of zirconium chlorides in alkali chloride melts. found in the catalog.

thermodynamic properties of zirconium chlorides in alkali chloride melts.

Bhageshwar Swaroop

thermodynamic properties of zirconium chlorides in alkali chloride melts.

by Bhageshwar Swaroop

  • 213 Want to read
  • 18 Currently reading

Published in [Toronto] .
Written in English

    Subjects:
  • Chlorides,
  • Thermochemistry,
  • Zirconium compounds

  • Edition Notes

    ContributionsToronto, Ont. University.
    The Physical Object
    Paginationiv, 173 leaves.
    Number of Pages173
    ID Numbers
    Open LibraryOL20735391M

      Physical and Thermodynamic Properties of Anhydrous Hydrogen Chloride; Property Value; a. To convert J to cal, divide by melting point to boiling point: – entropy of vaporization: Dependence of Solubility of Metal Chlorides on Hydrogen Chloride Concentration in Aqueous Solutions; Concentration. Half cell potential for Zr(II) in molten alkali chloride melts. 46 4. E*cen values for zirconium and hafnium chlorides in NaCl-KC1 melts obtained by Sukakura. 52 5. Equilibrium coefficient for Hfmetal + Zr(IV)melt Zrmetal + HIV)meltV as calculated from the data of Ivanovskii. 56 6. Reactor for preliminary experiments. 7. Microphoto of metal.

    Open abstract View article, Reaction of Curium(III) Ions with Oxo-Species in Alkali Chloride Melts PDF, Reaction of Curium(III) Ions with Oxo-Species in Alkali Chloride Melts Electronic absorption spectra of curium(III) chloro-species were measured in 3LiCl-2KCl (at oC) and NaCl-2CsCl (at , and oC) eutectic melts and the molar. Ferric chloride is an orange to brown-black solid. It is slightly soluble in is noncombustible. When wet it is corrosive to aluminum and most metals. Pick up and remove spilled solid before adding is used to treat sewage, industrial waste, to purify water, as an etching agent for engraving circuit boards, and in the manufacture of other chemicals.

    Standard Potentials in Bromides and Iodides Compared with Chlorides at °C emf Series in Alkali Chloride Solvents Compared with Ep° emf Series in Fused MgCl2-NaCl-KCl Solvent at °C emf Series in Various Fused Salt Electrolytes emf Series-Additional Studies III. B. Electrical Conductance Equivalent Conductance — Single Salt Melts.   Written to record and report on recent research progresses in the field of molten salts, Molten Salts Chemistry and Technology focuses on molten salts and ionic liquids for sustainable supply and application of materials. Including coverage of molten salt reactors, electrodeposition, aluminium electrolysis, electrochemistry, and electrowinning, the text provides researchers and postgraduate.


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Thermodynamic properties of zirconium chlorides in alkali chloride melts by Bhageshwar Swaroop Download PDF EPUB FB2

The liquidus curves in the binary equilibrium phase diagrams of the systems, ZrCl 2 –MCl, and ZrCl 3 –MCl, where M is potassium or sodium, have been determined where possible.

The electrochemical properties of the dilute solutions of zirconium di- tri- and tetra-chlorides, in the temperature range °C to °C, were investigated by reversible electromotive force by: 9. Some thermodynamic properties for dilute solutions of EuCl 2, and EuCl 3 in alkali chloride melts were obtained.

The relative partial molar enthalpy of mixing EuCl 2 with alkali chloride melts was determined by electrochemical techniques, and the values from electrochemical measurements are in fairly good agreement with data obtained by the Cited by: thermodynamic and electrochemical properties of zirconium chlorides in alkali chloride melts Article in Canadian Journal of Chemistry 44(2).

The thermodynamic studies of the MCl-ZrCl 4 systems and related solutions [4, 6] showed that the ZrCl 4 activity coefficient in the alkali metal chloride melts is much less than unity and that it.

Thermodynamic properties of aluminum chloride in Na-LiCl-AlCl3 and NaCl-KClMgCl2-AlCl3 melts were studied by measuring emf at °. Concentration dependences of AlCl3 thermodynamic. Partial properties of the other component salts were calculated by applying the Gibbs-Duhem equation to the analytical formulation of the excess partial molar properties for MgCl 2 This research, when combined with previous investigations by the authors, can provide a general thermodynamic model for multicomponent alkali chloride-MgCl 2.

Thermodynamic data for dilute solutions of AgCl and AlCl 3 in molten alkali chlorides were derived from the emf's of formation and of galvanic cells, respectively, given as, Ag/AgCl–ACl/C,Cl 2 and Ag/AgCl–ACl//AlCl 3 –ACl/Al. ACl represents NaCl, KCl, CsCl. Vapor pressure measurements on the two pure compounds, Na 2 ZrCl 6 and K 2 ZrCl 6, as well as on mixtures with the respective alkali metal chlorides, were taken.

The vapor-producing reaction is given as where M represents, respectively, sodium and dynamic relationships relating the phase diagram to the measured equilibrium.

The partial pressures of components in saturated vapours of HfCl 4 solutions in molten alkali chlorides and some of their mixtures are determined as a function of temperature (– K) and concentration (2–33 mol% HfCl 4) by dynamic (from 10 to 2 × 10 4) and static (from × 10 3 to × 10 5 Pa) methods.

HfCl 4 vaporization enthalpy and entropy, activity coefficients and excess. Highlights Thulium chloride compounds as fission products.

The investigation of electrochemical properties of thulium ions in molten chlorides. Determination of the apparent standard redox potentials of the couple Tm 3+ /Tm 2+ in fused NaCl–KCl and NaCl–2CsCl salts.

The influence of the nature of solvents on thermodynamic properties of thulium (III) is discussed. B. Swaroop, S.N. FlengasThermodynamic and electrochemical properties of zirconium chlorides in alkali chloride melts Can.

Chem., 44 (), pp. Google Scholar. Refractory metals and particularly niobium and tantalum are obtained by molten salt electrolysis. Several authors /1–6/ investigated the electrochemical reduction of niobium ions in chloride or chloride + fluoride melts. However the current efficiency during electrolysis is strongly dependent on the “average” valence of.

Properties of the solutions of the alkali-chlorozirconate compounds in alkali-chloride melts Article in Canadian Journal of Chemistry 46(4) February with 74 Reads How we measure.

Processing Problems in the Use of Molten Uranium-Alkali Chloride Mixtures as Reactor Fuels,” Nuclear Metallurgy, Metallurgical Society of the American Institute of Mining, Metallurgical and Petroleum Engineers, 15 () • Coolant salts are molten salts with advantageous heat transfer properties.

Systematic results from molecular dynamics simulations of molten alkali chlorides (ACl) serials are presented in detail in this paper. The effects of temperature and cationic size on the structures and transport properties of molten salts have been investigated and analyzed.

The local structures of molten ACl have been studied via the analysis of radial distribution functions and angular. Phys. Chem. All Publications/Website. OR SEARCH CITATIONS.

Electrochemical reduction of zirconium in the melts based on 3LiCl–2KCl eutectic mixture were studied on solid and liquid metal cathodes at – °C. chloride with oxygen in alkali. Vapour pressure measurement of zirconium chloride and hafnium chloride by the transpiration technique.

Thermochimica Acta, DOI: /(94) M.V. Smirnov, A.B. Salyulev, Kudyakov. Thermodynamic properties and decomposition potential of HfCl4 solutions in molten alkali chlorides and their mixtures. Thermodynamic properties of molten (lead chloride + potassium chloride).

Enthalpies of mixing in the liquid mixtures of the alkali chlorides with MnCl2, FeCl2 and CoCl2. O.J. Kleppa. Enthalpies of mixing of liquid nickel(II) chloride-alkali chloride mixtures at °C. Journal of Inorganic and Nuclear Chemistry32 (3),   In the present study, a cost-affordable electrorefining process of zirconium (Zr) using an oxycarbide anode, which has been developed for titanium (Ti) smelting, was applied to Zr production.

First, the synthesis of Zr oxycarbide by carbothermic reduction of ZrO2 was investigated, and a dense and conductive ZrCO anode was successfully produced followed by sintering. Fugacities of GaCl3 and alkali metal chlorides over molten dilute (up to 3 mol %) solutions of GaCl3 in LiCl, NaCl, KCl, RbCl, and CsCl were measured at K by dynamic and indirect static methods.

The chemical composition of the saturated vapor over the mixed melts was determined. The partial pressures of the components were calculated.Exploratory experiments in chloride, bromide, and mixed chloride‐fluoride melts always produced dendritic zirconium deposits.

Pure fluoride systems consisting of dissolved in alkali fluoride solvents produced coherent deposits of metal, some as thick as in. with no indication of reaching a thickness limit, on electrolysis at °C and.Abstract.

The electrochemical reduction of Zr 4+ (complex) ions in NaCl-KCl-K 2 ZrF 6 molten salt on Pt electrode was investigated using cyclic voltammetry and square wave voltammetry at K.

Two cathodic reduction peaks related to Zr 4+ /Zr 2+ and Zr 2+ /Zr steps were observed in the cyclic voltammograms. The result was also confirmed by square wave voltammetry.