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This study aimed to determine the transfer performance of aqueous LiCl and CaCl2 liquid desiccants by numerical means. This research was conducted numerically by simultaneously solving heat and mass transfer equations explicitly using the finite difference method, with the changes in property values of the liquid desiccant in each control volume. The differences in fluid characteristics and property values between the aqueous LiCl and CaCl2 solutions remarkably affected the reduction water content from the air. When using the CaCl2 solution, performance decreased by 15% compared to the LiCl solution. The temperature of the liquid desiccant increased by around 13%.
Pratama et al. (Thu,) studied this question.