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AM-00-23 CORRELATION OF FEEDSTOCK CHEMICAL PROPERTIES WITH CONVERSION AND COKE YIELD IN HEAVY ATMOSPHERIC RESIDUE CRACKING
Claudia Baptista, PETROBRAS SA
Format:
Electronic (digital download/no shipping)
Associate Member, International Member, Petrochemical Member, Refining Member -
$0.00
Government, NonMember -
$25.00
Description:
Catalytic cracking feed conversion factors are useful tools for crude oil value estimates and FCC unit optimization. Methods that calculate such factors for feedstocks boiling in 320°C to 550°C range are available in the literature [1,2] . With the start-up of PETROBRAS residue crackers, processing feedstocks with a substantial portion heavier than the VGO endpoint, new analytical procedures for residue characterization, capable of generating conversion and coke selectivity factors for extremely heavy feedstocks, were necessary. A set of fifteen atmospheric residues (ATRs), covering the whole range of crude oils processed in PETROBRAS refineries was characterized by advanced and traditional methods, and then ran in a circulating pilot riser with equilibrium catalyst. Kinetic constants of a three lump catalytic cracking model were calculated with the pilot riser results and correlated with the feed characterization parameters, allowing for conversion and selectivity prediction based on feed properties.
Product Details:
Product ID: | AM-00-23 |
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Publication Year: | 2000 |