A kinetic model for delayed coking process of Iranian vacuum residues |
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Authors: | Farshad Torabi Esfahani Javad Ivakpour |
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Affiliation: | 1. Chemical Engineering Department, Isfahan University of Technology, Isfahan, Iran;2. Research Institute of Petroleum Industry (RIPI), Tehran, Iran |
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Abstract: | A four-lump kinetic model was developed for delayed coking process of Iranian vacuum residues. The feedstock and products were considered as a unique and three separated lumps, respectively, in the model. The product lumps were included gas (C1–C4), distillate (C5+ –500?°C), and coke (toluene insoluble and 500?°C+). The reactions performed in an atmospheric batch pilot plant reactor by selected feeds at three temperatures (420, 450, and 480?°C) and four residence times (10, 30, 50, and 120?min). Reactions were assumed in first order and based on Arrhenius reaction rates. Also, the kinetic model was validated by a similar feed at different conditions that showed suitable precision with experimental results. |
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Keywords: | conradson carbon residue delayed coking kinetic model lump vacuum residue |
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