The vapor–liquid equilibrium for the binary system (HFO-1234yf + HFO-1234ze(E)) has been investigated using a liquid-recirculation apparatus from 284 to 334 K. The Peng–Robinson equation of state with the Mathias–Copeman alpha function (PR-MC), combined with Wong–Sandler (WS) mixing rule and simplified Wong–Sandler (WS_S) mixing rule, respectively, was chosen to correlate all of the experimental data. The results correlated by PR-MC + WS + NRTL and PR-MC + WS_S + NRTL models showed a good agreement with the experimental data; the average absolute relative deviation of pressure (AARDp) was within 0.5%, and the average absolute deviation of the mole fraction of HFO-1234yf in the vapor phase (AADy₁) was less than 0.002. This system exhibited no azeotropic behavior within the investigated temperature range. In addition, the relative volatilities of the system at each temperature were obtained.

中文翻译：

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2,3,3,3-四氟丙烯（HFO-1234yf）+反式-1,3,3,3-四氟丙烯（HFO-1234ze（E））在284至334 K温度下的汽液平衡实验研究 

已使用284至334 K的液体再循环装置研究了二元系统（HFO-1234yf + HFO-1234ze（E））的气液平衡。带有Mathias-Copeman alpha函数的Peng-Robinson状态方程（PR-MC），分别与Wong-Sandler（WS）混合规则和简化的Wong-Sandler（WS_S）混合规则组合，以关联所有实验数据。PR-MC + WS + NRTL和PR-MC + WS_S + NRTL模型的相关结果与实验数据吻合良好。压力的平均绝对相对偏差（AARD p）在0.5％以内，并且气相中HFO-1234yf的摩尔分数的平均绝对偏差（AAD y ₁）小于0.002。在所研究的温度范围内，该系统未表现出共沸行为。另外，获得了在每个温度下系统的相对挥发性。