Lee, J. W.

LG Chem, Ltd., Daejeon, South Korea

Enhance operation and reliability of dividing-wall columns

Lee, J. W., LG Chem, Ltd.; Lee, M., Yeungnam University; Shin, J., LG Chem.; Lee, S., LG Chem Ltd.; Lee, B., AMT Pacific Co. Ltd.

Dividing wall columns (DWCs) are an attractive option when the goals are to reduce energy consumption and capital investment for distillation processes. A major component in a DWC system is the reflux..

Implement a constrained optimal control in a conventional level controller - Part 2

Lee, J. W., LG Chem, Ltd.; Lee, Y., GS-Caltex Corp.; Shin, J., LG Chem.

Novel tuning method enables a conventional PI controller to explicitly handle the three important operational constraints of a liquid level loop in an optimal manner as well as copes with a broad range of level control from tight to averaging control

Implement a constrained optimal control in a conventional level controller - Part 1

Lee, J. W., LG Chem, Ltd.; Lee, M., Yeungnam University; Shin, J., LG Chem.

Novel tuning method enables a conventional PI controller to explicitly handle the three important operational constraints of a liquid level loop in an optimal manner as well as copes with a broad range of level control from tight to averaging control

Optimize terephthaldehyde reactor operations

Korea's largest chemical company uses innovative modeling techniques to design high-performance reactors