In a new study , scientists from the Ural Federal University (UrFU), together with colleagues from Iraq, have developed
It is a hybrid technology to improve the evaporation efficiency inside a solar distiller using a rotating hollow cylinder and solar collector.
The technology of water desalination was created by using a rotating hollow cylinder inside a solar distiller to accelerate the evaporation of water in the tank by forming a thin film of water on the outer and inner surface of the cylinder, which was constantly updated with each revolution.To increase the temperature of the water under the cylinder, we used a solar collector.
Sergey Shcheklein, Head of the Department of Nuclear Power Plants and Renewable Energy Sources, Ural Federal University
During the tests, the rotation speed of the cylinder inside the solar distiller was 0.5 revolutions per minute, which is enough to evaporate a thin film of water from the surface of the cylinder, the scientists explained.
As a result, the new technology has a performance factor of at least 280% in the relatively hot months and at least 300-400% in the cooler months, such as September and October.
The distillation capacity of water in summer reached 12.5 l / m2 · day, and in winter 3.5 l / m2 · day.
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