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Experimental activity of distillation, thermodynamic model and simulation for performance analysis of a glycol reclaiming unit

机译:蒸馏实验活动,热力学模型和乙二醇回收装置性能分析模拟

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摘要

The use of a glycol reclaiming unit as a side device in a TEG regeneration section in natural gas plants reduces the continuous accumulation of contaminants in TEG. The scope of this study is to investigate performances of a reclaimer by describing a thermodynamic model of vapour-liquid and vapour-liquid-liquid equilibria for the mixture of TEG with hydrocarbons and water, fitting experimental distillation data. A UNIFAC group-contribution method approach has been applied to fit data, contaminants behaviour in TEG has been described at infinite dilution conditions. The reliability of the model has been verified by process simulation with eni in-house CheOpe.
机译:在天然气工厂的TEG再生段中,将乙二醇回收装置用作副设备可减少TEG中污染物的连续积累。这项研究的范围是通过描述TEG与烃和水的混合物的汽-液和汽-液-液平衡的热力学模型,并拟合实验蒸馏数据,来研究取料机的性能。已应用UNIFAC组贡献方法方法拟合数据,并已描述了在无限稀释条件下TEG中的污染物行为。该模型的可靠性已经通过eni内部CheOpe的过程仿真得到了验证。

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