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Energy Saving Potential of Reactive Dividing Wall Columns with Azeotropic Reaction Systems
Chemical Engineering Science ( IF 4.7 ) Pub Date : 2020-12-01 , DOI: 10.1016/j.ces.2020.115888
Laura-Selin Harding , Georg Fieg

Abstract The reactive dividing wall column (RDWC) is a highly integrated process that enables savings in investment and operational costs. Nevertheless, the high grade of integration leads to an extremely complex process behavior, complicating the prediction of the advantageousness of RDWC for a given task during process design. So far, many applications have been proposed in literature for RDWC, but little general knowledge on the influence of reaction system properties on the RDWC has been published. Latter studies are limited to ideal reaction system properties. This article investigates the influence of non-ideal reaction system properties, focusing on azeotropic phase equilibrium. A comprehensive process understanding of how the non-ideal separation properties affect the energy saving potential of RDWC is developed. The results are combined in short heuristics, which allow the process engineer a quick and easy evaluation of the energy saving potential of RDWC for the investigated reaction systems during process synthesis.

中文翻译:

具有共沸反应系统的反应分隔壁塔的节能潜力

摘要 反应隔壁塔 (RDWC) 是一种高度集成的工艺,可以节省投资和运营成本。然而,高集成度会导致极其复杂的过程行为,使得在过程设计过程中对给定任务的 RDWC 优势的预测变得复杂。迄今为止,文献中已经提出了 RDWC 的许多应用,但关于反应体系性质对 RDWC 的影响的一般知识很少发表。后来的研究仅限于理想的反应系统特性。本文研究了非理想反应体系性质的影响,重点是共沸相平衡。对非理想分离特性如何影响 RDWC 的节能潜力进行了全面的过程理解。
更新日期:2020-12-01
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