Chapter 23 Ionic Liquids Facilitate the Development of Absorption Refrigeration

1. Introduction

2. Recent progress in absorption refrigeration working pairs containing ionic liquids

2.1. [mmIm]DMP-CH3OH

2.2. [dmIm]DMP-H2O

2.3. [emIm]DMP-H2O

2.4. Summary

3. A new conceptual chemical absorption refrigeration working pair consisting of ammonia and a metal chloride-containing ionic liquid

3.1. The proposal

3.2. VLE behavior of the binary system of NH3-[bmim]Zn2Cl5

3.2.1. Experimental data [16]

3.2.2. The modified UNIFAC (Dortmund) model [16]

3.2.3. Comparison with normal ionic liquids and ZnCl2

3.3. Heat capacities and excess enthalpies of the NH3-[bmim]Zn2Cl5 system

3.3.1. Heat capacities of [bmim]Zn2Cl5

3.3.2. Experimental data for excess enthalpy of NH3-[bmim]Zn2Cl5

3.3.3. NRTL model

3.3.4. Enthalpy of [bmim]Zn2Cl5/NH3 solution

3.4. Thermodynamic analysis of an absorption system using NH3-[bmim]Zn2Cl5 as the working pair [25]

3.4.1. System description and simulation

3.4.2. Results and discussion

3.5. Summary

4. Conclusions and outlook

Author details

References