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|Title:||Plantwide control system design and performance evaluation for ammonia synthesis process|
|Citation:||Zhang, C., Vasudevan, S., Rangaiah, G.P. (2010-12-15). Plantwide control system design and performance evaluation for ammonia synthesis process. Industrial and Engineering Chemistry Research 49 (24) : 12538-12547. ScholarBank@NUS Repository.|
|Abstract:||The emphasis on process economics in modern chemical plants has led to the increased use of material recycle and energy integration that significantly alter process dynamics and add complexity. As a result, many plantwide control (PWC) methodologies have emerged. However, there are very few comparative studies to evaluate the effectiveness of alternate methodologies. In this study, a PWC structure for the ammonia synthesis process is developed using the integrated framework of simulation and heuristics [Konda et al. Ind. Eng. Chem. Res. 2005, 44, 8300-8313], which is then compared with that developed by Araújo and Skogestad [Araújo and Skogestad, Comput. Chem. Eng. 2008, 32, 2920-2932] using the self-optimizing control procedure. The different control structures are evaluated in a comprehensive manner including assessment of the dynamic performance and steady-state profit. © 2010 American Chemical Society.|
|Source Title:||Industrial and Engineering Chemistry Research|
|Appears in Collections:||Staff Publications|
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