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Hydrocracking Marlim vacuum residue with natural limonite. Part 2: experimental cracking in a slurry-type continuous reactor |
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| Authors: | Akimitsu Matsumura Teruo Kondo Wladimir Ferraz de Souza |
| Affiliation: | a National Institute of Advanced Industrial Science and Technology, 16-1 Onogawa, Tsukuba, Ibaraki 305-8569, Japan b PETROBRAS SIX, Rodovia BR 476, Km 143, São Mateus do Sul, Brazil c PETROBRAS Research and Development Center, Cidade Universitária Q7, Ilha do Fundão, s/n CEP 21949-900 Rio de Janairo, Brazil |
| Abstract: | Disposable Australian iron-slurry (AL) and NiO-MoO3-Al2O3 (NiMo) catalysts were used in hydrocracking experiments to convert Marlim vacuum residue (ML-VR) in a slurry-bed continuous flow reactor at temperatures of 440-460 °C, under a hydrogen pressure of 14.7 MPa and an LHSV of 0.5. The degree of conversion ranged from 54 to 83%, depending on the reaction temperature and catalyst used, with AL giving more complete conversion than NiMo. AL also proved more active in the removal of nickel. Hydrogen consumption was linearly correlated with conversion regardless of the catalyst used. |
| Keywords: | Heavy oil Upgrading Iron catalyst Marlim Conversion |
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