Use model predictive control to achieve real-time management of a DWC
A dividing-wall column (DWC) can provide significant savings in energy and capital cost compared to a conventional distillation column design.
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The Authors
Blevins, T. - Emerson Process Management, Austin, Texas
leads the development of DeltaV advanced control products at Emerson Process Management. He coauthored the book Wireless Control Foundation, and the ISA bestselling books Advanced Control Foundation and Control Loop Foundation. Mr. Blevins received an MS degree in electrical engineering from Purdue University. He is a member of Control Magazine’s Process Automation Hall of Fame and is an ISA fellow. At present, he works as a principal technologist in the applied research team at Emerson Process Management.
Downs, J. - Eastman Chemical Company, Kingsport, Tennessee
is an engineering fellow and manager of the Advanced Controls Technology group at Eastman Chemical Co. He has 33 years of experience in the design, startup and support of industrial processes. His research interests include plantwide control strategy design, plantwide process optimization and the process design/process control interface. Dr. Downs was recognized by the American Institute of Chemical Engineers, which honored him with a CAST Computing Practice Award in 1996 for his contribution to the profession.
Donahue, M. - University of Texas, Austin, Texas
is pursuing a PhD in chemical engineering at the University of Texas (UT) under Dr. R. Bruce Eldridge and Dr. Michael Baldea. She graduated from the University of Massachusetts in Amherst in 2014 and is a second-year graduate student. Her research focuses on the dynamic simulation and control of the pilot plant distillation column at UT’s Process Science and Technology Center.
Roach, B. - University of Texas, Austin, Texas
is pursuing a PhD at the Process Science and Technology Center at the University of Texas. A Virginia Tech graduate, she held an entry-level engineering position with ExxonMobil prior to entering graduate school. Her PhD studies involve building a pilot-scale dividing-wall distillation column that will be used to develop basic simulation, design and control methodologies.
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