Abstract
Technical and economical evaluation was carried out for upgrading of heavy crude oil through a combined scheme integrated by deasphalting and hydrotreating. Deasphalted oil was obtained at 60°C of temperature, 25 kgf/cm2 of pressure, 5:1 solvent/oil ratio and 1 hour of residence time, using n-heptane as solvent. Deasphalted oil product was upgraded by means of hydrotreating at low severity reaction conditions: 360°C of temperature, 60 kgf/cm2 of pressure and 4 hours of reaction time. The feasibility analysis demonstrated that the upgrading scheme is an appropriate option for producing transportable oil, that yields a benefit of 3.42 USD/Bbl.
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