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A new approach integration of ejector within adsorption desalination cycle reaching COP higher than one
Sustainable Energy Technologies and Assessments ( IF 8 ) Pub Date : 2020-07-17 , DOI: 10.1016/j.seta.2020.100766
Ahmed A. Askalany , Ehab S. Ali

For the first time, ejector technology has been integrated with the adsorption technology in a single cycle to increase productivity of desalinated water. In this paper an innovative idea of allocating an ejector before the condenser of an adsorption water desalination system is presented. This work lays down the basic rules for using ejector technology along with the adsorption technology. The innovative hybrid system has been investigated theoretically to work under different conditions of driving and cooling temperatures. Employing the ejector with heat recovery between the condenser and the evaporator has been also studied. The idea of employing the ejector within the adsorption desalination cycle has proved its worth where the daily water productivity is increased by 51% using the ejector if heat recovery has been considered. A desalinated water of 16 and 40 m3/day/ton of silica gel have been achieved by integrating the ejector with and without heat recovery respectively at 95 °C driving temperature. The coefficient of performance of the cycle has been also increased by employing the ejector alongside the heat recovery where it's reached a value of 1.1.



中文翻译:

脱盐器在吸附脱盐循环中的一种新方法集成,使COP高于COP

喷射器技术首次与吸附技术集成在一个循环中,以提高淡化水的生产率。本文提出了一种创新的想法,在吸附水脱盐系统的冷凝器之前配置一个喷射器。这项工作规定了使用喷射技术和吸附技术的基本规则。从理论上对创新的混合动力系统进行了研究,以使其能够在不同的行驶和冷却温度条件下工作。还研究了在冷凝器和蒸发器之间使用具有热回收的喷射器。在吸附脱盐循环中使用喷射器的想法已被证明是有价值的,如果考虑了热回收,使用喷射器可使每日水生产率提高51%。通过在95°C的驱动温度下分别集成有热回收和无热回收的喷射器,可以达到3吨/天的硅胶。通过将喷射器与达到1.1的热量回收一起使用,还可以提高循环的性能系数。

更新日期:2020-07-17
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