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Monitoring of Solar Still Desalination System Using the Internet of Things Technique

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Physics Department, Faculty of Science, Islamic University, P.O. Box 170, Madinah 42351, Saudi Arabia
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Renewable Energy Laboratory, Faculty of Sciences and Technology, Jijel University, Ouled-Aissa P.O. Box 98, Jijel 18000, Algeria
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The Abdus Salam International Centre of Theoretical Physics (ICTP), Strada Costiera, 11, 34151 Trieste, Italy
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Chemistry Department, Faculty of Science, Islamic University, P.O. Box 170, Madinah 42351, Saudi Arabia
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Author to whom correspondence should be addressed.
Academic Editor: Manolis Souliotis
Energies 2021, 14(21), 6892; https://doi.org/10.3390/en14216892
Received: 4 September 2021 / Revised: 14 October 2021 / Accepted: 16 October 2021 / Published: 21 October 2021
(This article belongs to the Topic Solar Thermal Energy and Photovoltaic Systems)
In this work, a smart solar still prototype for water desalination is designed. It consists of a basic solar still, a solar preheater and a remote monitoring system based on the Internet of Things (IoT) technique. The monitoring system is developed and integrated into the hybrid solar still in order to control its evolution online, as well the quality of the freshwater provided by checking measured parameters such as pH. Thanks to the IoT technique, parameters collected by the monitoring system (e.g., air temperatures, relative humidity, etc.) are uploaded to the cloud for online remote monitoring. The users are notified by an SMS about the status of the system (e.g., water level in the basin, water in the tank, etc.), using an GSM module. The whole system, including the preheater, water pump, valve, sensors and an electronic board, is powered by a photovoltaic module of 75 Wp. The results showed that by adding a solar preheater system, the evaporation process is accelerated and, consequently, the daily yield is improved and reaches the value of 12.165 L/m2/day. The saline concentration of the tested ground water is 3.9 g/Kg (0.39%), and, after desalination, the salinity is 0.1 g/Kg (0.01%). View Full-Text
Keywords: Internet of Things; mobile application; photovoltaic system; remote monitoring; smart water desalination system; solar still Internet of Things; mobile application; photovoltaic system; remote monitoring; smart water desalination system; solar still
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MDPI and ACS Style

Benghanem, M.; Mellit, A.; Emad, M.; Aljohani, A. Monitoring of Solar Still Desalination System Using the Internet of Things Technique. Energies 2021, 14, 6892. https://doi.org/10.3390/en14216892

AMA Style

Benghanem M, Mellit A, Emad M, Aljohani A. Monitoring of Solar Still Desalination System Using the Internet of Things Technique. Energies. 2021; 14(21):6892. https://doi.org/10.3390/en14216892

Chicago/Turabian Style

Benghanem, Mohamed, Adel Mellit, Mohammed Emad, and Abdulaziz Aljohani. 2021. "Monitoring of Solar Still Desalination System Using the Internet of Things Technique" Energies 14, no. 21: 6892. https://doi.org/10.3390/en14216892

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