Molecular dynamics simulation of dehydration of salt hydrates (MgSO4·7H2O and ZnSO4·7H2O)

Sadhya Gulati, Zainab Tabassum, Udo Schwingenschlögl, Eldhose Iype

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Dehydration of salt hydrates, being an endothermic process, helps in the storage of solar energy which can then be regenerated for future use by simply hydrating the salts. During dehydration, the crystal structure changes significantly. In order to study these changes as well as to study the performance of dehydration, a number of molecular dynamic simulations is carried out for two salt hydrates (MgSO4 and ZnSO4 hepta hydrates). All simulations were performed using LAMMPS package with universal force field. Dehydration is performed at varying temperatures and pressures. The variation in the kinetics of dehydration between ZnSO4 and MgSO4 is analysed by computing the rate of water molecules leaving the crystal.
Original languageEnglish (US)
Pages (from-to)1013-1017
Number of pages5
JournalMaterials Today: Proceedings
Volume28
DOIs
StatePublished - 2020

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