首页> 外文期刊>Journal of Chemical and Engineering Data: the ACS Journal for Data >Vapor-Liquid Equilibria of Cyclohexanone+2-Cyclohexen-1-one and Cyclohexanol+2-Cyclohexen-1-one, Validated in a Packed Column Distillation.
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Vapor-Liquid Equilibria of Cyclohexanone+2-Cyclohexen-1-one and Cyclohexanol+2-Cyclohexen-1-one, Validated in a Packed Column Distillation.

机译:环己酮+ 2-环己烯-1-酮和环己醇+ 2-环己烯-1-酮的汽液平衡,在填料塔蒸馏中得到验证。

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摘要

The vapor liquid equilibrium (VLE) data at the constant pressure of P = 1 bar were determined for binary mixtures consisting of cyclohexanone + 2-cyclohexen-1-one and cyclohexanol + 2-cyclohexen-1-one. The thermodynamic consistency of the VLE data was verified with the Wisniak's and area tests, with positive results. Experimental VLE data were fitted to the nonrandom two-liquid (NRTL) model to obtain the NRTL binary interaction parameters for the mentioned mixtures. A good fit between experimental and predicted data was found. Finally, the binary interaction parameters obtained were validated in a steady state operation, where a ternary mixture of cyclohexanone, cyclohexanol, and 2-cyclohexen-1-one was fed to a packed distillation tower. The experimental results were satisfactorily predicted and simulated by the RadFrac block included in Aspen Plus v8.4 software. Therefore, the binary interaction predicted can be used to model the behavior of the mixture under continuous operation conditions.
机译:对于由环己酮+ 2-环己烯-1-酮和环己醇+ 2-环己烯-1-酮组成的二元混合物,确定了在P = 1 bar恒定压力下的气液平衡(VLE)数据。通过Wisniak和面积测试验证了VLE数据的热力学一致性,并获得了积极的结果。将VLE实验数据拟合到非随机两液(NRTL)模型中,以获取所提及混合物的NRTL二元相互作用参数。发现实验和预测数据之间的良好契合。最后,在稳态操作中验证所获得的二元相互作用参数,其中将环己酮,环己醇和2-环己烯-1-酮的三元混合物进料到填充蒸馏塔中。通过Aspen Plus v8.4软件中包含的RadFrac模块可以令人满意地预测和模拟实验结果。因此,预测的二元相互作用可用于对连续运行条件下混合物的行为进行建模。

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