November 2011

Bonus Report: Process Control and Information Systems

Improve material balance in high-purity distillation control

Using dual-composition conserved energy efficiency, reduced reprocessing and allowed higher throughput

Nino, S., Summa Control Solutions Inc.

In this case history, a petrochemical facility needed to improve operation control as well as profitability for a benzene-toluene-xylene (BTX) distillation train. The project focused on dual-composition material balance controls. Improved process control from the new control system provided an annual $1 million in energy savings and reduced feedstock reprocessing needs. Dual-composition material-balance control strategies were successfully implemented and commissioned for heat-integrated high-purity distillation towers at a petrochemical facility by using Shinskey’s methodology as guidance in the strategy selection. Background. This petrochemical facility produces different aromat

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