Japan refiner implements crude unit multivariable controller

At yearend 1998, Koa Oil Co. (now part of Nippon Oil Corp.) embarked on a comprehensive advanced control implementation at its refineries in Marifu and Osaka. The advanced control implementation included multivariable controllers and optimizers in all the major process units in both refineries and a separate oil movements and blending optimization project.Koa selected Honeywell Hi-Spec Solutions' Profit Suite for multivariable control. At the project's completion in mid-2001, 22 profit controllers (formerly robust multivariable predictive control technology [RMPCT] controllers) and two profit optimizers were installed at the two refineries. We estimate the benefit from all these a...

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