Influence of microwave radiation on temperature characteristics of dehydration

Authors

  • Игорь Михайлович Рыщенко National Technical University “Kharkov Polytechnic Institute” 21 Frunze str., Kharkiv, Ukraine, 61002, Ukraine
  • Александр Иванович Русинов National Technical University “Kharkov Polytechnic Institute” 21 Frunze str., Kharkiv, Ukraine, 61002, Ukraine
  • Николай Андреевич Блинков National Technical University «Kharkiv Polytechnic Institute» str. Frunze 21, Kharkov, Ukraine, 61002, Ukraine

DOI:

https://doi.org/10.15587/1729-4061.2015.51359

Keywords:

crystal hydrates, radiation, recovery, ice, phase, lattice, pressure, temperature

Abstract

In crystal hydrates of inorganic salts, water is in a particular, bound state. The crystal lattice of each crystal hydrate is individual, and by default it should be similar to the structure of the water ice Ih, which is not observed in practice.

It is assumed that the water of crystallization with the crystal hydrate is frozen water in other forms of ice that correspond to specific phases of ice, and salt simulates the application of high pressure. Due to the study of weight loss, the assumption is confirmed. Using microwave radiation also allows to reduce the adsorbent recovery temperature, which is very important for lower energy expenditure. So, many crystal hydrates are melted in the water of crystallization, which makes it necessary to evaporate water from it, and can also fill in the recovery installation.

Microwave radiation is weakly absorbed directly by ice because of the symmetry in it, and weak intermolecular vibration, in depth, and, therefore, it starts from the surface. The appearance of the salt in the water of crystallization can also be presented in the form of ice, and this significantly improves the absorptivity and allows the water of crystallization to volatilize, which provides recovery. Thus, using a microwave oven as an alternative method of recovery is highly relevant.

Author Biographies

Игорь Михайлович Рыщенко, National Technical University “Kharkov Polytechnic Institute” 21 Frunze str., Kharkiv, Ukraine, 61002

Doctor of Technical Scienses, Professor

Departament of General and Inorganic Chemistry

Александр Иванович Русинов, National Technical University “Kharkov Polytechnic Institute” 21 Frunze str., Kharkiv, Ukraine, 61002

PhD, assistant professor

Departament of General and Inorganic Chemistry

Николай Андреевич Блинков, National Technical University «Kharkiv Polytechnic Institute» str. Frunze 21, Kharkov, Ukraine, 61002

Postgraduate

Department of General and Inorganic Chemistry

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Published

2015-10-16

How to Cite

Рыщенко, И. М., Русинов, А. И., & Блинков, Н. А. (2015). Influence of microwave radiation on temperature characteristics of dehydration. Eastern-European Journal of Enterprise Technologies, 5(6(77), 29–34. https://doi.org/10.15587/1729-4061.2015.51359

Issue

Vol. 5 No. 6(77) (2015): Technology organic and inorganic substances

Section

Technology organic and inorganic substances

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Copyright (c) 2015 Николай Андреевич Блинков, Игорь Михайлович Рыщенко, Александр Иванович Русинов

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