Desalination of salt water by drip freezing at winter sprinkling
The purpose of the research is to evaluate the efficiency of winter sprinkling for desalination of seawater. The ice fraction in an individual drop and in a stream of drops in a free fall is estimated. At the air temperatures of −10 and −40 °C, the percentage of ice in a stream of water drops with a...
Published in: | Ice and Snow |
---|---|
Main Authors: | , |
Format: | Article in Journal/Newspaper |
Language: | Russian |
Published: |
Nauka
2020
|
Subjects: | |
Online Access: | https://doi.org/10.31857/S2076673420030053 https://doaj.org/article/8c82c6406f4d4652bece316e7c11b48e |
id |
ftdoajarticles:oai:doaj.org/article:8c82c6406f4d4652bece316e7c11b48e |
---|---|
record_format |
openpolar |
spelling |
ftdoajarticles:oai:doaj.org/article:8c82c6406f4d4652bece316e7c11b48e 2023-05-15T18:46:21+02:00 Desalination of salt water by drip freezing at winter sprinkling A. V. Sosnovsky N. I. Osokin 2020-08-01T00:00:00Z https://doi.org/10.31857/S2076673420030053 https://doaj.org/article/8c82c6406f4d4652bece316e7c11b48e RU rus Nauka https://ice-snow.igras.ru/jour/article/view/824 https://doaj.org/toc/2076-6734 https://doaj.org/toc/2412-3765 2076-6734 2412-3765 doi:10.31857/S2076673420030053 https://doaj.org/article/8c82c6406f4d4652bece316e7c11b48e Лëд и снег, Vol 60, Iss 3, Pp 471-480 (2020) арктика зимнее дождевание опреснение пористый лёд солёная вода Science Q article 2020 ftdoajarticles https://doi.org/10.31857/S2076673420030053 2023-03-19T01:40:11Z The purpose of the research is to evaluate the efficiency of winter sprinkling for desalination of seawater. The ice fraction in an individual drop and in a stream of drops in a free fall is estimated. At the air temperatures of −10 and −40 °C, the percentage of ice in a stream of water drops with a mineralization of 35 g/l may amount to 12 and 39%, respectively. Calculations showed that when producing porous ice from water with a mineralization of 35 g/l by means of sprinkling at the same air temperatures, the productivity of the DDN–70 sprinkler system will be equal to 670 (−10 °C) and 2190 (−40 °C) tons of ice per day. When the fraction of ice in the drops of stream increases, the salinity of unfrozen water grows too, and this results in increasing of the porous ice salinity. Experiments did show that at mineralization of the source water of 10 g/l, the moisture content of porous ice amounts 12%, while in the ice frozen from seawater it is 23%. The humidity of a salt porous ice makes influence on the desalination efficiency. At a moisture content of porous ice of 12% and melting of 30% of its volume, the mineralization of the remaining part is 4 times less than that at the a moisture content of 23%, but if the melting reaches 50% of the volume it is 16 times. It was found that with growth of salinity of frozen water the performance of sprinkling and efficiency of desalinization decrease. However, it should be noted that when using sea water with a salinity of 35 g/l after melting of 50% of the porous ice volume, the salinity of the remaining part of water will amount approximately 1 g/l, and after appropriate sanitary and hygienic treatment, it can be used for drinking water supply. It is important also that such water will contain in sufficient amounts the necessary microelements. Article in Journal/Newspaper Арктика Directory of Open Access Journals: DOAJ Articles Ice and Snow 60 3 471 480 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
Russian |
topic |
арктика зимнее дождевание опреснение пористый лёд солёная вода Science Q |
spellingShingle |
арктика зимнее дождевание опреснение пористый лёд солёная вода Science Q A. V. Sosnovsky N. I. Osokin Desalination of salt water by drip freezing at winter sprinkling |
topic_facet |
арктика зимнее дождевание опреснение пористый лёд солёная вода Science Q |
description |
The purpose of the research is to evaluate the efficiency of winter sprinkling for desalination of seawater. The ice fraction in an individual drop and in a stream of drops in a free fall is estimated. At the air temperatures of −10 and −40 °C, the percentage of ice in a stream of water drops with a mineralization of 35 g/l may amount to 12 and 39%, respectively. Calculations showed that when producing porous ice from water with a mineralization of 35 g/l by means of sprinkling at the same air temperatures, the productivity of the DDN–70 sprinkler system will be equal to 670 (−10 °C) and 2190 (−40 °C) tons of ice per day. When the fraction of ice in the drops of stream increases, the salinity of unfrozen water grows too, and this results in increasing of the porous ice salinity. Experiments did show that at mineralization of the source water of 10 g/l, the moisture content of porous ice amounts 12%, while in the ice frozen from seawater it is 23%. The humidity of a salt porous ice makes influence on the desalination efficiency. At a moisture content of porous ice of 12% and melting of 30% of its volume, the mineralization of the remaining part is 4 times less than that at the a moisture content of 23%, but if the melting reaches 50% of the volume it is 16 times. It was found that with growth of salinity of frozen water the performance of sprinkling and efficiency of desalinization decrease. However, it should be noted that when using sea water with a salinity of 35 g/l after melting of 50% of the porous ice volume, the salinity of the remaining part of water will amount approximately 1 g/l, and after appropriate sanitary and hygienic treatment, it can be used for drinking water supply. It is important also that such water will contain in sufficient amounts the necessary microelements. |
format |
Article in Journal/Newspaper |
author |
A. V. Sosnovsky N. I. Osokin |
author_facet |
A. V. Sosnovsky N. I. Osokin |
author_sort |
A. V. Sosnovsky |
title |
Desalination of salt water by drip freezing at winter sprinkling |
title_short |
Desalination of salt water by drip freezing at winter sprinkling |
title_full |
Desalination of salt water by drip freezing at winter sprinkling |
title_fullStr |
Desalination of salt water by drip freezing at winter sprinkling |
title_full_unstemmed |
Desalination of salt water by drip freezing at winter sprinkling |
title_sort |
desalination of salt water by drip freezing at winter sprinkling |
publisher |
Nauka |
publishDate |
2020 |
url |
https://doi.org/10.31857/S2076673420030053 https://doaj.org/article/8c82c6406f4d4652bece316e7c11b48e |
genre |
Арктика |
genre_facet |
Арктика |
op_source |
Лëд и снег, Vol 60, Iss 3, Pp 471-480 (2020) |
op_relation |
https://ice-snow.igras.ru/jour/article/view/824 https://doaj.org/toc/2076-6734 https://doaj.org/toc/2412-3765 2076-6734 2412-3765 doi:10.31857/S2076673420030053 https://doaj.org/article/8c82c6406f4d4652bece316e7c11b48e |
op_doi |
https://doi.org/10.31857/S2076673420030053 |
container_title |
Ice and Snow |
container_volume |
60 |
container_issue |
3 |
container_start_page |
471 |
op_container_end_page |
480 |
_version_ |
1766237842121424896 |