Ethylene optimization system reaps operations and maintenance benefits

Apostolos Georgiou, Ajit V. SapreMobil Technology Co. Paulsboro, N.J. Peter TaylorMobil Chemical Co.Yanbu, Saudi Arabia Robert E. Galloway, Lawrence K. CaseyMobil Chemical Co. Beaumont, Tex. A performance test of a new closed-loop, steady-state real time optimization (Clrto) system was completed at Mobil Chemical Co.'s Beaumont, Tex., ethylene plant in the olefins/aromatics complex in April 1994. The system is used in on-line and off-line analyses to improve process operations and profitability. The Clrto system couples a rigorous steady-state optimization model of the entire plant with advanced-control applications for pyrolysis furnaces, compressors, and ...

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