High pressure phase equilibrium of carbon dioxide and benzaldehyde binary system

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• 作者：Yucui Hou^a ; Shidong Tian^b ; Cheng Lü ; ^b ; Nannan Sun^b ; Weize Wu^b ; ^{wzwu@mail.buct.edu.cn}
• 关键词：Phase equilibrium ; Carbon dioxide ; Benzaldehyde ; Peng&ndash ; Robinson EoS
• 刊名：Fluid Phase Equilibria
• 出版年：2012
• 期刊代码：32_03783812
• 类别：ce
• 出版时间：15 July, 2012
• 卷：325
• 期：Complete
• 页码：11-14
• 文件大小：300 K

摘要

The high-pressure phase equilibria of carbon dioxide + benzaldehyde binary system were measured at temperatures from 298.55 to 345.15 K and pressures from 2.20 to 14.96 MPa. The experimental method used in this work was a static-analytical method with liquid and vapor phase sampling. The experimental results are discussed and compared with available literature data. The experimental data were correlated with the Peng-Robinson equation of state (PR EoS) using classical van der Waals (two-parameter conventional mixing rule) mixing rules, which could correlate well the binary phase behavior with an average absolute relative deviation of 3.4%.