MODEL PREDICTIVE CONTROL OF A DIVIDING-WALL COLUMN

被引:0
|
作者
Kiss, Anton A. [1 ]
Rewagad, Rohit R. [1 ,2 ]
机构
[1] AkzoNobel Res, Dev & Innovat, Proc Technol Expert Capabil Grp, NL-7418 AJ Deventer, Netherlands
[2] Univ Twente, Fac Sci & Technol, NL-7500 AE Enschede, Netherlands
来源
关键词
DWC; Petlyuk; BTX; MPC; PID; energy efficient control; DISTILLATION; CONTROLLABILITY; REDUCTION;
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
This study explores an optimal model predictive control (MPC) of a dividing-wall column (DWC). Energy minimization is implicitly achieved by using an additional loop controlling the heavy component in the top of the feed side, by using the liquid split as manipulated variable. An industrial case-study is presented based on the separation of the mixture benzene-toluene-xylene (BTX) in a DWC. The results of the dynamic model simulations show that MPC leads to a significant increase in performance - lower overshooting and shorter settling times - as compared to previously reported PID controllers.
引用
收藏
页码:5 / 18
页数:14
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