Department of Chemical and Biological Engineering2024-12-2920231570-794610.1016/B978-0-443-15274-0.50084-62-s2.0-85166905392https://doi.org/10.1016/B978-0-443-15274-0.50084-6https://hdl.handle.net/20.500.14288/23639Delayed Coker Unit (DCU) converts the vacuum residual feedstock to lighter and more valuable products such as motor fuels and eliminates the low-order and environment-damaging streams. Thus, optimal operation of this unit provides great economic return. In this direction, we have modeled an industrial DCU which exists in the TUPRAS Refinery. The steady-state model consists of the furnace and coke drums and implemented using MATLAB. Physical properties are determined by Aspen HYSYS. The obtained model was used for predicting the coke level in the coke drums where the reaction takes place and the distribution of the products. Both furnace and coke drum models were verified by comparing obtained results with actual plant data. © 2023 Elsevier B.V.Chemical and Biological EngineeringBook chapterN/AQ441782