Commercial Investigation of the Ebullated-Bed Vacuum Residue Hydrocracking in the Conversion Range of 55–93

The LUKOIL Neftohim Burgas vacuum residue hydrocracking has increased the vacuum residue conversion from 55 to 93% as a result of a proper feed selection, optimal catalyst condition, and the use of a Mo nanodispersed catalyst. It was found that the feed colloidal instability index estimated from the...

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Published in:ACS omega 2020-12, Vol.5 (51), p.33290-33304
Main Authors: Stratiev, Dicho, Nenov, Svetoslav, Shishkova, Ivelina, Georgiev, Borislav, Argirov, Georgi, Dinkov, Rosen, Yordanov, Dobromir, Atanassova, Vassia, Vassilev, Petar, Atanassov, Krassimir
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cited_by cdi_FETCH-LOGICAL-a499t-ad1fde40f93e92b1b3b7f8d5765533005de0e0d63572866c827cc4851240a2333
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container_end_page 33304
container_issue 51
container_start_page 33290
container_title ACS omega
container_volume 5
creator Stratiev, Dicho
Nenov, Svetoslav
Shishkova, Ivelina
Georgiev, Borislav
Argirov, Georgi
Dinkov, Rosen
Yordanov, Dobromir
Atanassova, Vassia
Vassilev, Petar
Atanassov, Krassimir
description The LUKOIL Neftohim Burgas vacuum residue hydrocracking has increased the vacuum residue conversion from 55 to 93% as a result of a proper feed selection, optimal catalyst condition, and the use of a Mo nanodispersed catalyst. It was found that the feed colloidal instability index estimated from the feed saturates, aromatics, resins, and asphaltenes (SARA) data negatively correlated with the conversion. Correlations based on the use of the nonlinear least-squares method, which relates the density to the aromatic structure contents for the straight run and hydrocracked vacuum residues, were developed. Intercriteria analysis was applied to evaluate the relations between the different properties of the straight run and the hydrocracked vacuum residual oils. The density of the hydrocracked vacuum residue measured by dilution with toluene was found to strongly correlate with the conversion, Conradson carbon content, softening point, and Fraasss breaking point.
doi_str_mv 10.1021/acsomega.0c05073
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title Commercial Investigation of the Ebullated-Bed Vacuum Residue Hydrocracking in the Conversion Range of 55–93
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