Abstract

The lithium bromide + lithium iodide + 1,3-propanediol + water (LiBr/LiI mole ratio = 4 and (LiBr + LiI)/HO(CH2)3OH mass ratio = 4) solution was chosen as one of the potential candidates for an air-cooled absorption chiller. For this system, the surface tensions and differential enthalpies of dilution were measured at various temperatures and absorbent (LiBr + LiI + HO(CH2)3OH) concentration ranges by using the capillary rise method and an Isoperibol solution calorimeter, respectively. The measured data were well correlated with the simple polynomial equations. The deviations between the experimental and calculated values in the surface tension and differential enthalpy of dilution measurements were 0.10 and 2.8%.

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