Maintaining human thermal comfort and extensive power consumption of the conventional heating ventilating and air-conditioning systems drive the researchers to look for an alternative dehumidification system. Among the potential alternatives, the liquid desiccant dehumidification system has evolved as a long-term renewable and less power consuming system due to its effective controlling capability of humidity. In the present study, an experimental investigation is carried out to demonstrate the performance of lithium bromide (LiBr) and potassium formate (HCOOK) desiccant solution mixture in a spray type counterflow-packed bed adiabatic dehumidifier. Subsequently, ternary plots and 3D-contour trade-off paradigms are patterned to assess the performance parameters using an optimal mixture design methodology. Additionally, empirical correlations are developed to pattern the performance parameters (moisture removal rate (MRR), enthalpy effectiveness (ξ_h) and moisture effectiveness (ξ_m)) as a function of blend combinations. Further, the present study endeavours to explore the application of offline calibration methods based on a balanced optimum mixture design-centred desirability approach for optimizing the mixture proportion to obtain the optimal performance parameters (i.e., MRR, ξ_h and ξ_m). The wettability area is explained based on the static contact angle on a plane glass. The results showed that the contact angle was decreased from 47.3° to 44.1° for the optimum mixture of LiBr solution (37.2%-LiBr +17.8%-HCOOK), which further confirmed the higher MRR. Lastly, the tuning effect of the liquid to gas flow rate on the dehumidifier performance and economic viability of LiBr-HCOOK blends are studied.

维持人类热舒适性和传统供暖通风和空调系统的大量电力消耗，促使研究人员寻找替代的除湿系统。在潜在的替代方案中，液体干燥剂除湿系统由于其有效的湿度控制能力，已经发展成为一种长期的可再生，耗电少的系统。在本研究中，进行了一项实验研究，以证明溴化锂（LiBr）和甲酸钾（HCOOK）干燥剂溶液混合物在喷雾型逆流填充床绝热除湿机中的性能。随后，使用最佳混合物设计方法对三元图和3D轮廓折衷范例进行图案化，以评估性能参数。另外，_ħ）和除湿效率（ξ_米））作为共混物的组合的功能。此外，本研究努力探索基于一个平衡最优混合设计为中心的合意性的方法离线校准方法用于优化混合物比例，以获得最佳的性能参数（即，MRR，ξ应用_ħ和ξ_米）。基于平板玻璃上的静态接触角来说明润湿区域。结果表明，对于最佳的溴化锂溶液混合物（37.2％-溴化锂+ 17.8％-HCOOK），接触角从47.3°减小到44.1°，这进一步证实了较高的MRR。最后，研究了液-气流量对LiBr-HCOOK共混物除湿性能和经济可行性的调节作用。