ISOLATION AND CHARACTERIZATION OF ASPHALTENES IN THE PRODUCTS OBTAINED BY HYDROCRACKING PROCESS OF PETROCHEMICAL INDUSTRY WASTES
Published: 29 Jul 2017
Abstract: In this study, the isolation and characterization of asphaltenes in the liquid products obtained by hydrocracking of heavy hydrocarbons were investigated. Hydrocracking experiments were carried out with aromatic-rich cracker fuel oil (ARCFO) which is one of the “off-spec” products of petrochemical industry and its blends with the heavy vacuum gas oil (HVGO) which is feedstock of hydrocracking unit in refinery. In case of ARCF, hydrocracking reactions with or without catalysts were carried out at a 6.0 MPa initial hydrogen gas pressure at different temperatures of 400, 425 and 450°C for a reaction time of 120 min. The catalyst employed was commercial DHC-8 catalyst. The effects of catalyst and the temperature on the properties of the asphaltenes in liqıid product from hydrocracking were investigated by elemental analysis and FT-IR. In case of blends, the effects of blend ratio and catalyst on the properties of the asphaltenes were investigated.
Keywords: asphaltenes, hydrocracking, non-standard fuel oil
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