Method provides alternative for predicting RFCC yields

D.S. Stratiev I. Shishkova R. Dinkov Lukoil Neftohim Burgas M. Mitkova D. Yordanov R. Nikolova D.D. Stratiev Burgas University Burgas, Bulgaria Earlier research found that residue fluid catalytic cracking (RFCC) product yields correlated with the content of saturates, aromatics, resins, and asphaltenes (SARA) fractions in RFCC feedstock.1 Performing a SARA analysis of residual oil, however, requires about 4 days: 2 days for deasphaltization and 2 days for separating the maltene fraction into saturates, aromatics, and resins by traditional elution chromatography. This technique is unsuitable for daily monitoring of RFCC feedstock quality. A faster, simpler technique is needed to quant...

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