Estimation of Operational Variables in Fully Thermally Coupled Distillation Columns Using Pseudo-Pinch Points
An approximate estimation procedure of operational variables in fully thermally coupled distillation columns using two pseudo-pinch points at the feed and side draw trays is proposed, and the procedure is examined by utilizing it in two example processes. The estimates from the proposed procedure show some 20 ％ error compared with the rigorous simulation results using commercial design software, the HYSYS. In addition, the relation between vapor flow rate and the composition at one stage above feed tray—required in the estimation of operational variables—is analyzed to give information for the selection of the tray composition.
Distillation column design Thermally coupled distillation Pseudo-pinch
Moon Yong Lee Young Han Kim
School of Chemical Engineering and Technology, Yeungnam University 214-1 Dae-dong, Kyongsan 712-749 Dept.of Chemical Engineering, Dong-A University 840 Hadan-dong, Saha-gu, Pusan, 604-714 Korea
国际会议
The 5th International Conference on Separation Science and Technology(第五届国际分离科学与技术会议)
北京
英文
2007-10-14（万方平台首次上网日期，不代表论文的发表时间）