Evaluation of Adsorption Equilibrium and Thermodynamic Performance of R-123 (2,2-Dichloro-1,1,1-trifluoroethane)-Activated Carbon Working Pair

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• 作者：Maiga A. Siddeye ; Qin Wang ; Guangming Chen
• 刊名：Energy & Fuels
• 出版年：2007
• 出版时间：March 2007
• 年：2007
• 卷：21
• 期：2
• 页码：1169 - 1172
• 全文大小：43K
• 年卷期：v.21,no.2(March 2007)
• ISSN：1520-5029

文摘

In adsorption refrigeration, one of the key factors is the choice of the working pair. Therefore, the adsorptionand desorption equilibrium data are very useful for designers and also for the analysis of the thermodynamicperformance. In this paper, R-123 (2,2-dichloro-1,1,1-trifluoroethane) refrigerant with activated carbon adsorptioncooling working pair is investigated. The adsorption is carried out with a thermogravimetric balance, and theequilibrium data are obtained. The Dubinin-Astakhov modified model is used to calculate the adsorptionequilibrium parameters. The maximum adsorption capacity is obtained. The standard estimate error (SEE)between the experiment and the model result is evaluated. The results give a good agreement with the experimentdata. The influence of the heterogeneity coefficient n to the adsorption capacity is presented. Desorption alsois carried out to calculate the thermodynamic performance (refrigeration capacity) at different regenerationtemperatures.