Parametric study, performance analysis of a multi-effect distillation with thermo vapor compression

This study conducts a parametric analysis as well as performance evaluation of a multiuple effect distillation system equipped with a thermocompressor. Equations for mass, salt concentration, energy, and exergy for each component of the desalination system are established. The study proceeds with an investigation and analysis of this system using the EES (Engineering Equation Solver) software. This research examines the effects of Top Brine Temperature (TBT), water concentration, and the number of effects on the flow rate of the cooling water in the condenser, the flow rate of produced fresh water, the performance ratio, specific area, the rate of exergy destruction, and the efficiency of exergy. The findings show that the eight-stage desalination system achieves the highest performance ratio under specific system input conditions. Additionally, the exergy analysis reveals that the exergy destruction rates for the evaporators (effects), the condenser, the thermocompressor, and the pumps are 5146, 3266, 1568 and 366 kW respectively, with the highest to the lowest exergy destruction correspondingly attributed to the evaporators and the pumps.