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During a new research, Ural Federal University (UrFU) power engineers developed a new desalination technology that will significantly reduce the cost of desalination and quadruple the volume of production.The results of the research are published in the journal Case Studies in Thermal Engineering.Today one of the most popular and simple ways of desalination is the distillation of the water with help of solar energy. UrFU scientists, together with colleagues from Iraq, have developed a hybrid technology to increase the efficiency of evaporation inside a solar distiller by means of a rotating hollow cylinder and a solar collector."We created a desalination technology by using a rotating hollow cylinder inside the solar distiller to accelerate water evaporation in the vessel by forming a thin film of water on the outer and inner surface of the cylinder, which is constantly renewed with each turn. To increase the temperature of water under the cylinder we use a solar collector," said the head of the department Nuclear power plants and renewable energy sources UrFU Sergei Shcheklein.As part of the experiment, the rotation speed of the cylinder inside the solar distiller was 0.5 rpm. This intensity and time are enough to evaporate a thin film of water from the surface of the cylinder. Experimental tests were held in Ekaterinburg, Russia for several months (June-October, 2019) and showed high efficiency and reliability of the developed device. In addition, the researchers noted that the relatively high intensity of solar radiation and low ambient air temperature also contributed to the performance of water distillation."The performance improvement factor of the created solar distiller, compared to traditional devices, was at least 280 per cent in the relatively hot months (June, July, and August) and at least 300 per cent and 400 per cent in the cooler months (September and October). At the same time, the cumulative water distillation capacity reached 12.5 l/m2 per day in summer and 3.5 l/m2 per day in winter," said Alharbawi Naseer Tawfik Alwan, a research engineer at UrFU and an employee of Northern Technical University (Iraq).The developed desalination technology with its simple design and low cost could be of interest in the Middle East and Africa -- in countries with high solar energy potential and a shortage of freshwater, believe researchers.In the future, scientists plan to improve the technology and increase the performance of the solar distiller at the lowest possible capital and operating costs for different climatic conditions.( With inputs from ANI )Disclaimer: This post has been auto-published from an agency feed without any modifications to the text and has not been reviewed by an editor

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Technology :Study finds simple way to desalinate water using solar energy

During a new research, Ural Federal University (UrFU) power engineers developed a new desalination technology that will significantly reduce the cost of desalination and quadruple the volume of production. ...