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  5. The Experiments and Correlations of Solubility Characteristics of Chlorodifuoromethane-N,N-Dimethylf

The Experiments and Correlations of Solubility Characteristics of Chlorodifuoromethane-N,N-Dimethylf

来源 :2010中国可再生能源科技发展大会 | 被引量 : 0次 | 上传用户：hsmk888
【摘 要】
：
The mixture of R22 + DMF is considered as a promising new working fluid for absorption refrigeration.In this paper, the solubility of R22 in DMF was measured from T =(283.15 to 363.15) K with a circul
【作 者】
：
Lijuan HE Yuxiang ZHANG Wenfei WU 
【机 构】
：
Institute of Environment and Energy, Inner Mongolia University of Science and Technology, Baotou, Ch
【出 处】
：
2010中国可再生能源科技发展大会
【发表日期】
：
2010年10期
【关键词】
：
Vapor-liquid equilibria Equation of state Mixing rule R22 N N-Dimethylformamide 
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　　The mixture of R22 + DMF is considered as a promising new working fluid for absorption refrigeration.In this paper, the solubility of R22 in DMF was measured from T =(283.15 to 363.15) K with a circulation-type equilibrium apparatus.The experimental data were correlated by Peng-Robinson-Stryjek-Vera (PRSV) equation of state using the Wong-Sandler mixing rule with NRTL model.The overall deviations of the pressure were 0.56%.The results show a good agreement with the experimental data.It is shown that the mixture has a large negative deviation from Raoults law.The vapor liquid equilibrium characteristics of the mixture are expressed in a log p-1/T diagram and pressure-composition diagram for use in the analysis of an absorption refrigeration system.
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