Advanced control project stabilizes delayed coker, increases throughput

Click here to enlarge imageKoa Oil Ltd. improved operations and increased its coker feed rate by applying model predictive control technology combined with an inferential coke-yield model to its No. 2 delayed coking unit at the Marifu refinery, Iwakuni, Japan. - Advanced process controls stabilized Koa Oil's Marifu refinery's delayed coker operations and increased the unit output. Photo courtesy of Koa Oil Ltd.The company initiated this project in 1999 as part of an advanced process control (APC) program to install model predictive controllers (MPCs) on all major process units at its Osaka and Marifu refineries. It signed off and accepted the project in June 2000.Koa first appli...

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