Experimental Study of CO2 Solubility in Ionic Liquids and Polyethylene Glycols
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The parameter of density, viscosity are tested and fitted with the result of solubility measurement. With series of experiments, this chemical blend is considered with a good effect. The mixture of 50% tetrabutylphosphonium glycine with 50% polyethylene glycol (molecular weight: 400) is the suggested blend, and the most suitable temperature is absorption in 120C and desorption in 60C. But the solubility reduced rapidly from the second cycle of experiment, thus recycled use is not recommended.