Thermodynamic description of dilution and dissolution processes in the mgcl2−cscl−h2o ternary system

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Thermodynamic description of dilution and dissolution processes in the mgcl₂−cscl−h₂o ternary system. / Baranauskaite, Valeriia ; Belysheva, Maria ; Pestova, Olga; Anufrikov, Yuri; Skripkin, Mikhail ; Kondratiev, Yuri ; Khripun, Vassily.

In: Materials, Vol. 14, No. 14, 4047, 20.07.2021.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{91787ad52c634c73a6f6d269614ab8fc,

title = "Thermodynamic description of dilution and dissolution processes in the mgcl2−cscl−h2o ternary system",

abstract = "Thermodynamic data on the properties of the water-based electrolyte systems are very valuable for fundamental physical chemistry and for industrial applications. The missing data both on the dilution and dissolution enthalpies for the ternary CsCl−MgCl2−H2O mixed electrolyte system were investigated by means of the calorimetry method. The dilution calorimetry was performed at 298 K for the set of solutions from diluted to concentrated at constant ratio Cs+/Mg2+= 1.8. The relative partial molar enthalpies, ideal, total, and excess ones were calculated. By means of the dissolution calorimetry, the standard enthalpies of formation, the enthalpies, and entropies for the double salt formation from simple salts were evaluated. The results obtained indicate that entropy as the major factor affecting the formation of the joint compound, both in the liquid and solid phases. These data can be implemented in thermodynamic databases and allow for accurate thermodynamic calculations for the salts extraction from natural water sources and for its possible application as thermochemical energy storage.",

keywords = "Calorimetry, Carnallite like salts, Double salts, Heats of dilution, Heats of dissolution, Relative partial molar properties, X-ray crystallography, carnallite like salts, calorimetry, heats of dissolution, CSCI-MGCL2-H2O, DECOMPOSITION, MODEL, double salts, SIMULATION, DOUBLE SALTS, CESIUM, relative partial molar properties, heats of dilution, WATER, CHLORIDE",

author = "Valeriia Baranauskaite and Maria Belysheva and Olga Pestova and Yuri Anufrikov and Mikhail Skripkin and Yuri Kondratiev and Vassily Khripun",

note = "Publisher Copyright: {\textcopyright} 2021 by the authors. Licensee MDPI, Basel, Switzerland.",

year = "2021",

month = jul,

day = "20",

doi = "10.3390/ma14144047",

language = "English",

volume = "14",

journal = "Materials",

issn = "1996-1944",

publisher = "MDPI AG",

number = "14",

}

RIS

TY - JOUR

T1 - Thermodynamic description of dilution and dissolution processes in the mgcl2−cscl−h2o ternary system

AU - Baranauskaite, Valeriia

AU - Belysheva, Maria

AU - Pestova, Olga

AU - Anufrikov, Yuri

AU - Skripkin, Mikhail

AU - Kondratiev, Yuri

AU - Khripun, Vassily

PY - 2021/7/20

Y1 - 2021/7/20

N2 - Thermodynamic data on the properties of the water-based electrolyte systems are very valuable for fundamental physical chemistry and for industrial applications. The missing data both on the dilution and dissolution enthalpies for the ternary CsCl−MgCl2−H2O mixed electrolyte system were investigated by means of the calorimetry method. The dilution calorimetry was performed at 298 K for the set of solutions from diluted to concentrated at constant ratio Cs+/Mg2+= 1.8. The relative partial molar enthalpies, ideal, total, and excess ones were calculated. By means of the dissolution calorimetry, the standard enthalpies of formation, the enthalpies, and entropies for the double salt formation from simple salts were evaluated. The results obtained indicate that entropy as the major factor affecting the formation of the joint compound, both in the liquid and solid phases. These data can be implemented in thermodynamic databases and allow for accurate thermodynamic calculations for the salts extraction from natural water sources and for its possible application as thermochemical energy storage.

AB - Thermodynamic data on the properties of the water-based electrolyte systems are very valuable for fundamental physical chemistry and for industrial applications. The missing data both on the dilution and dissolution enthalpies for the ternary CsCl−MgCl2−H2O mixed electrolyte system were investigated by means of the calorimetry method. The dilution calorimetry was performed at 298 K for the set of solutions from diluted to concentrated at constant ratio Cs+/Mg2+= 1.8. The relative partial molar enthalpies, ideal, total, and excess ones were calculated. By means of the dissolution calorimetry, the standard enthalpies of formation, the enthalpies, and entropies for the double salt formation from simple salts were evaluated. The results obtained indicate that entropy as the major factor affecting the formation of the joint compound, both in the liquid and solid phases. These data can be implemented in thermodynamic databases and allow for accurate thermodynamic calculations for the salts extraction from natural water sources and for its possible application as thermochemical energy storage.

KW - Calorimetry

KW - Carnallite like salts

KW - Double salts

KW - Heats of dilution

KW - Heats of dissolution

KW - Relative partial molar properties

KW - X-ray crystallography

KW - carnallite like salts

KW - calorimetry

KW - heats of dissolution

KW - CSCI-MGCL2-H2O

KW - DECOMPOSITION

KW - MODEL

KW - double salts

KW - SIMULATION

KW - DOUBLE SALTS

KW - CESIUM

KW - relative partial molar properties

KW - heats of dilution

KW - WATER

KW - CHLORIDE

UR - http://www.scopus.com/inward/record.url?scp=85111385495&partnerID=8YFLogxK

U2 - 10.3390/ma14144047

DO - 10.3390/ma14144047

M3 - Article

AN - SCOPUS:85111385495

VL - 14

JO - Materials

JF - Materials

SN - 1996-1944

IS - 14

M1 - 4047

ER -

ID: 85295522