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Efficiency evaluation of cavitation heat generator used for desalination of saline solutions

Nowadays, the issue of efficient desalination and treatment of seawater for its further use in various domains of human activity is of much interest worldwide. There are plenty of known treatment techniques. This research paper discusses the method of hydrodynamic cavitation treatment in a heat gene...

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Main Authors: Ivanov, Evgeniy, Gorbunov, Boris, Pasin, Aleksander, Arjutow, Boris, Novozhilov, Alexey
Format: Article
Language:English
Published: Penerbit Universiti Kebangsaan Malaysia 2022
Online Access:http://journalarticle.ukm.my/18743/1/13.pdf
http://journalarticle.ukm.my/18743/
https://www.ukm.my/jkukm/volume-3401-2022/
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spelling my-ukm.journal.187432022-06-03T00:54:40Z http://journalarticle.ukm.my/18743/ Efficiency evaluation of cavitation heat generator used for desalination of saline solutions Ivanov, Evgeniy Gorbunov, Boris Pasin, Aleksander Arjutow, Boris Novozhilov, Alexey Nowadays, the issue of efficient desalination and treatment of seawater for its further use in various domains of human activity is of much interest worldwide. There are plenty of known treatment techniques. This research paper discusses the method of hydrodynamic cavitation treatment in a heat generator in various modes and proves the performance efficiency of this method. The process of treating saline solutions of different concentrations and registration of electric conductivity of solutions are studied. The possibility of changing the concentration of salt in the solution by treating it in a vortex cavitation heat generator is undertaken. The efficiency of the cavitation process depends on the temperature of the working environment: with the temperature increase, the desalination intensity decreases. Two possible scenarios of the process are revealed, i.e., the decrease in the concentration of salt in the solution or its increase in the presence of a salt source. When working on depleted solutions with a salinity of 1÷5 ‰ at high temperatures, the reverse diffusion of previously adsorbed salts from the internal surfaces into the solution takes place. When working on solutions of elevated concentrations in the same high-temperature range, the reverse diffusion decreases and at a salinity of 67 ‰, its effect ceases, since the concentration of salts on the inner surfaces becomes comparable to the concentration of the solution. The hypothesis of centrifugal separation of salts from water is experimentally proved. Penerbit Universiti Kebangsaan Malaysia 2022 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/18743/1/13.pdf Ivanov, Evgeniy and Gorbunov, Boris and Pasin, Aleksander and Arjutow, Boris and Novozhilov, Alexey (2022) Efficiency evaluation of cavitation heat generator used for desalination of saline solutions. Jurnal Kejuruteraan, 34 (1). pp. 139-148. ISSN 0128-0198 https://www.ukm.my/jkukm/volume-3401-2022/
institution Universiti Kebangsaan Malaysia
building Tun Sri Lanang Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Kebangsaan Malaysia
content_source UKM Journal Article Repository
url_provider http://journalarticle.ukm.my/
language English
description Nowadays, the issue of efficient desalination and treatment of seawater for its further use in various domains of human activity is of much interest worldwide. There are plenty of known treatment techniques. This research paper discusses the method of hydrodynamic cavitation treatment in a heat generator in various modes and proves the performance efficiency of this method. The process of treating saline solutions of different concentrations and registration of electric conductivity of solutions are studied. The possibility of changing the concentration of salt in the solution by treating it in a vortex cavitation heat generator is undertaken. The efficiency of the cavitation process depends on the temperature of the working environment: with the temperature increase, the desalination intensity decreases. Two possible scenarios of the process are revealed, i.e., the decrease in the concentration of salt in the solution or its increase in the presence of a salt source. When working on depleted solutions with a salinity of 1÷5 ‰ at high temperatures, the reverse diffusion of previously adsorbed salts from the internal surfaces into the solution takes place. When working on solutions of elevated concentrations in the same high-temperature range, the reverse diffusion decreases and at a salinity of 67 ‰, its effect ceases, since the concentration of salts on the inner surfaces becomes comparable to the concentration of the solution. The hypothesis of centrifugal separation of salts from water is experimentally proved.
format Article
author Ivanov, Evgeniy
Gorbunov, Boris
Pasin, Aleksander
Arjutow, Boris
Novozhilov, Alexey
spellingShingle Ivanov, Evgeniy
Gorbunov, Boris
Pasin, Aleksander
Arjutow, Boris
Novozhilov, Alexey
Efficiency evaluation of cavitation heat generator used for desalination of saline solutions
author_facet Ivanov, Evgeniy
Gorbunov, Boris
Pasin, Aleksander
Arjutow, Boris
Novozhilov, Alexey
author_sort Ivanov, Evgeniy
title Efficiency evaluation of cavitation heat generator used for desalination of saline solutions
title_short Efficiency evaluation of cavitation heat generator used for desalination of saline solutions
title_full Efficiency evaluation of cavitation heat generator used for desalination of saline solutions
title_fullStr Efficiency evaluation of cavitation heat generator used for desalination of saline solutions
title_full_unstemmed Efficiency evaluation of cavitation heat generator used for desalination of saline solutions
title_sort efficiency evaluation of cavitation heat generator used for desalination of saline solutions
publisher Penerbit Universiti Kebangsaan Malaysia
publishDate 2022
url http://journalarticle.ukm.my/18743/1/13.pdf
http://journalarticle.ukm.my/18743/
https://www.ukm.my/jkukm/volume-3401-2022/
_version_ 1735387661629128704
score 13.211869

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