Experimental VLE Data of Binary Systems of Ester + Alcohol at 0.6 MPa. Verification using new Association Parameters for the Point– to–Point Test

P. Susial, D. García-Vera, Isabel Montesdeoca, Dunia E. Santiago, A. Marrero, P. Herrera-Vega, Gwendolyn Pérez-Riverol
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Abstract

Experimental data of vapor–liquid equilibria (VLE) are reported for the following binary systems: butyl acetate+ethanol, butyl acetate+1–propanol and butyl acetate+1–butanol at 0.6 MPa. No azeotrope was found in the butyl acetate+1–butanol system at 0.6 MPa. The thermodynamic consistency of the obtained data was analyzed using some equations of state (EOS) in the point–to–point test. The phase behavior was satisfactorily modelled using the Peng–Robinson EOS. The new association parameter of the Hayden–O’Connell method was determined from 144 pure substances and the influence of the second virial coefficient calculations in the point–to–point test was evaluated.
0.6 MPa下酯+醇二元体系的VLE实验数据。对点对点测试使用新的关联参数进行验证
本文报道了乙酸丁酯+乙醇、乙酸丁酯+1 -丙醇和乙酸丁酯+1 -丁醇等二元体系在0.6 MPa下的气液平衡实验数据。在0.6 MPa下,乙酸丁酯+1 -丁醇体系未发现共沸物。利用点对点试验中的状态方程(EOS)分析了所得数据的热力学一致性。用Peng-Robinson方程对相行为进行了令人满意的模拟。从144种纯物质中确定了Hayden-O 'Connell方法的新关联参数,并评价了点对点试验中二次维里系数计算的影响。
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