Abstract
Based on the data of a hydrogenated residual oil fluid catalytic cracking (FCC) process in a petrochemical company, the effect of hydrogenated residual oil four-component (saturates, aromatics, resins, and asphaltenes; SARA) property on sulfur distribution of light oil in an FCC process was reviewed and a conjunction formula between sulfur distribution of light oil and SARA property was established. The associated results indicated that sulfur distribution of light oil in the FCC process was reduced as the saturate, aromatic, and resin component of hydrogenated residual oil increased, and the effect factor decreased in the order, saturate > aromatic > resin. On the other hand, the enhancement of the asphaltene component made the sulfur distribution of light oil increase slightly. In addition, the conjunction formula was used to predict sulfur distribution of light oil by the other hydrogenated residual oil feedstock and the calculated sulfur distribution of light oil was in good agreement with the actual data; all the predicted relative errors were less than 5% and the mean relative error was 2.98%. The results showed that the established conjunction formula possessed good predictive features and reliability.
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