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Mix wettability surface on solar still cover for freshwater productivity enhancement

Water purification using renewable energy sources is prevalent to produce clean water for human consumption and sanitation. Solar still is a water distillation method that uses solar energy as a heat source to produce fresh water. Selection of a solar still condensing cover material remains a chal...

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Main Authors: Mohd Shatar, Nursyahirah, Mohd Salleh, Mohd Faiz, Ani, Mohd Hanafi, Mohd Sabri, Mohd Faizul
Format: Article
Language:English
Published: Elsevier 2022
Subjects:
T Technology (General)
TA401 Materials of engineering and construction
Online Access:http://irep.iium.edu.my/97768/1/97768_Mix%20wettability%20surface%20on%20solar.pdf
http://irep.iium.edu.my/97768/
https://www.journals.elsevier.com/desalination
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spelling my.iium.irep.977682022-05-09T00:37:10Z http://irep.iium.edu.my/97768/ Mix wettability surface on solar still cover for freshwater productivity enhancement Mohd Shatar, Nursyahirah Mohd Salleh, Mohd Faiz Ani, Mohd Hanafi Mohd Sabri, Mohd Faizul T Technology (General) TA401 Materials of engineering and construction Water purification using renewable energy sources is prevalent to produce clean water for human consumption and sanitation. Solar still is a water distillation method that uses solar energy as a heat source to produce fresh water. Selection of a solar still condensing cover material remains a challenge, particularly for enhancing the condensate formation and collection. Therefore, the application of a mixed wettability surface on the solar still condensing cover is examined and investigated. A commercial water-based silicone coating is used on a glass cover with different surface areas. The contact angle and surface profile for both coated area and uncoated area of the surface was examined to measure the wettability of the surfaces. The freshwater output was observed for the solar still at a steady-state condition in a laboratory experiment. The addition of coating showed improvement to the solar still productivity with the highest freshwater output at 30% coated surface area. However, by increasing the coating surface area above 50%, the inner cover temperature increased due to the increase in thermal resistance from the coating layer. A coating surface area of below 50% showed to be more cost-effective compared to a bare glass cover. Elsevier 2022 Article PeerReviewed application/pdf en http://irep.iium.edu.my/97768/1/97768_Mix%20wettability%20surface%20on%20solar.pdf Mohd Shatar, Nursyahirah and Mohd Salleh, Mohd Faiz and Ani, Mohd Hanafi and Mohd Sabri, Mohd Faizul (2022) Mix wettability surface on solar still cover for freshwater productivity enhancement. Desalination, 534. pp. 1-9. ISSN 0011-9164 https://www.journals.elsevier.com/desalination 10.1016/j.desal.2022.115797
institution Universiti Islam Antarabangsa Malaysia
building IIUM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider International Islamic University Malaysia
content_source IIUM Repository (IREP)
url_provider http://irep.iium.edu.my/
language English
topic T Technology (General)
TA401 Materials of engineering and construction
spellingShingle T Technology (General)
TA401 Materials of engineering and construction
Mohd Shatar, Nursyahirah
Mohd Salleh, Mohd Faiz
Ani, Mohd Hanafi
Mohd Sabri, Mohd Faizul
Mix wettability surface on solar still cover for freshwater productivity enhancement
description Water purification using renewable energy sources is prevalent to produce clean water for human consumption and sanitation. Solar still is a water distillation method that uses solar energy as a heat source to produce fresh water. Selection of a solar still condensing cover material remains a challenge, particularly for enhancing the condensate formation and collection. Therefore, the application of a mixed wettability surface on the solar still condensing cover is examined and investigated. A commercial water-based silicone coating is used on a glass cover with different surface areas. The contact angle and surface profile for both coated area and uncoated area of the surface was examined to measure the wettability of the surfaces. The freshwater output was observed for the solar still at a steady-state condition in a laboratory experiment. The addition of coating showed improvement to the solar still productivity with the highest freshwater output at 30% coated surface area. However, by increasing the coating surface area above 50%, the inner cover temperature increased due to the increase in thermal resistance from the coating layer. A coating surface area of below 50% showed to be more cost-effective compared to a bare glass cover.
format Article
author Mohd Shatar, Nursyahirah
Mohd Salleh, Mohd Faiz
Ani, Mohd Hanafi
Mohd Sabri, Mohd Faizul
author_facet Mohd Shatar, Nursyahirah
Mohd Salleh, Mohd Faiz
Ani, Mohd Hanafi
Mohd Sabri, Mohd Faizul
author_sort Mohd Shatar, Nursyahirah
title Mix wettability surface on solar still cover for freshwater productivity enhancement
title_short Mix wettability surface on solar still cover for freshwater productivity enhancement
title_full Mix wettability surface on solar still cover for freshwater productivity enhancement
title_fullStr Mix wettability surface on solar still cover for freshwater productivity enhancement
title_full_unstemmed Mix wettability surface on solar still cover for freshwater productivity enhancement
title_sort mix wettability surface on solar still cover for freshwater productivity enhancement
publisher Elsevier
publishDate 2022
url http://irep.iium.edu.my/97768/1/97768_Mix%20wettability%20surface%20on%20solar.pdf
http://irep.iium.edu.my/97768/
https://www.journals.elsevier.com/desalination
_version_ 1732945014657384448
score 13.211869

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