The above figure also shows that the concentration change for water flow rate of 300 kg.hr-1 is considerably higher than that for 200 kg.hr-1at the low desiccant flow rates. This is because at higher water flow rate, there is higher heat transfer rate from the hot water to desiccant solution. The effect of water flow rate diminishes at higher desiccant flow rates.
2) Effect of water temperature
Fig. 5 shows the effect of hot water temperature on the concentration change.