文章基本信息

标题：Sequential Synthesis of Mass Exchanger Networks for CO2 Capture
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作者：Kelvin O. Yoro ; Adeniyi J. Isafiade ; Michael O. Daramola 等
期刊名称：Lecture Notes in Engineering and Computer Science
印刷版ISSN：2078-0958
电子版ISSN：2078-0966
出版年度：2018
卷号：2237&2238
页码：503-508
出版社：Newswood and International Association of Engineers
摘要：Most of the current research in process synthesis focus on heat exchanger network synthesis. Reports on mass exchanger network synthesis mostly discussed singlecomponent problems using simultaneous approaches. However, less attention has been given to mass exchanger network synthesis with multi-component problems using the sequential technique. Till date, it has not been easy to systematically choose between the process and available external mass separating agents (MSA) in mass exchanger network synthesis during the adsorption of CO2. In this paper, we set out a technique for targeting external mass separating agent and its network design. The technique was applied to a CO2 adsorption process involving two mass separating agents (process and external MSAs) that overlap. A thermodynamic analysis of the CO2 adsorption process was outlined in this study using the composition interval method. Feasible structures were formulated and the synthesis task was expressed in a two-stage targeting procedure as an optimization task. Unlike previous studies reported in the past for mass exchanger network synthesis, this contribution considers a trade-off between the process MSA S1 and external MSA S2 to determine the minimum amount of external MSA required for the CO2 capture process. A case study was adapted from open literature to demonstrate the effectiveness of the synthesized mass exchanger network during a typical CO2 capture process. Outcomes from this study indicate that mass integration via process synthesis is an effective strategy that can minimize the quantity of external utilities required during the adsorption of CO2 from a rich stream of flue gas.
关键词：Adsorption; CO2 capture; Composition interval method; Mass exchanger networks; Network design