A new approach integration of ejector within adsorption desalination cycle reaching COP higher than one

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.