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Hydrotreating of straight-run gas oil blended with FCC naphtha and light cycle oil

Authorized Users Only
2013
Authors
Dukanović, Zoran
Glišić, Sandra
Jancić-Cobanin, Vesna
Niciforović, Miroslav
Georgiou, Constantinos A.
Orlović, Aleksandar
Article (Published version)
Metadata
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Abstract
In order to expand diesel fuel processing capacity an option to co-hydrotreat straight run gas oil blended with fraction containing FCC naphtha and light cycle oil was investigated. Industrial test run was performed under pressure of 40 bar in the catalytic reactor with two layers of conventional Co-Mo/gamma-Al2O3 catalyst, by increasing volume content of FCC naphtha and light cycle oil fraction in the reactor inlet to 20%vol. Reactor inlet temperature was also increased during the test run from 327 to 334 degrees C. Liquid hourly space velocities between 1.05 and 1.32 h(-1) have been used with H-2/oil ratios of 908-1135 Nm(3) hydrogen/m(3) oil. Sulphur inlet concentrations of 6500-8200 ppm were reduced to 36-72 ppm in the hydrotreated oil. GC-MS analysis of the sulphur compound's sub-families has shown that most of the sulphur was present in more reactive classes like alkyl substituted benzothiophenes. High conversion of sulphur was achieved by a combination of the following process p...arameters: high reaction temperature, low space velocity, presence of FCC naphtha in the feed and distribution of inlet sulphur dominantly concentrated in more reactive benzothiophenes. The activation energy of 33.2 kcal/mol was determined for this type of feedstock using power law kinetic expression.

Keywords:
Diesel fuel / Catalytic hydrotreating / Co-processing / Straight run gas oil / FCC naphtha / Light cycle oil
Source:
Fuel Processing Technology, 2013, 106, 160-165
Publisher:
  • Elsevier Science Bv, Amsterdam
Funding / projects:
  • Synthesis, processing and applications of nanostructured multifunctional materials with defined properties (RS-45019)
  • European CommissionEuropean CommissionEuropean Commission Joint Research Centre

DOI: 10.1016/j.fuproc.2012.07.018

ISSN: 0378-3820

WoS: 000314191800021

Scopus: 2-s2.0-84870500262
[ Google Scholar ]
25
22
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2486
Collections
  • Radovi istraživača / Researchers’ publications (TMF)
Institution/Community
Tehnološko-metalurški fakultet
TY  - JOUR
AU  - Dukanović, Zoran
AU  - Glišić, Sandra
AU  - Jancić-Cobanin, Vesna
AU  - Niciforović, Miroslav
AU  - Georgiou, Constantinos A.
AU  - Orlović, Aleksandar
PY  - 2013
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2486
AB  - In order to expand diesel fuel processing capacity an option to co-hydrotreat straight run gas oil blended with fraction containing FCC naphtha and light cycle oil was investigated. Industrial test run was performed under pressure of 40 bar in the catalytic reactor with two layers of conventional Co-Mo/gamma-Al2O3 catalyst, by increasing volume content of FCC naphtha and light cycle oil fraction in the reactor inlet to 20%vol. Reactor inlet temperature was also increased during the test run from 327 to 334 degrees C. Liquid hourly space velocities between 1.05 and 1.32 h(-1) have been used with H-2/oil ratios of 908-1135 Nm(3) hydrogen/m(3) oil. Sulphur inlet concentrations of 6500-8200 ppm were reduced to 36-72 ppm in the hydrotreated oil. GC-MS analysis of the sulphur compound's sub-families has shown that most of the sulphur was present in more reactive classes like alkyl substituted benzothiophenes. High conversion of sulphur was achieved by a combination of the following process parameters: high reaction temperature, low space velocity, presence of FCC naphtha in the feed and distribution of inlet sulphur dominantly concentrated in more reactive benzothiophenes. The activation energy of 33.2 kcal/mol was determined for this type of feedstock using power law kinetic expression.
PB  - Elsevier Science Bv, Amsterdam
T2  - Fuel Processing Technology
T1  - Hydrotreating of straight-run gas oil blended with FCC naphtha and light cycle oil
EP  - 165
SP  - 160
VL  - 106
DO  - 10.1016/j.fuproc.2012.07.018
ER  - 
@article{
author = "Dukanović, Zoran and Glišić, Sandra and Jancić-Cobanin, Vesna and Niciforović, Miroslav and Georgiou, Constantinos A. and Orlović, Aleksandar",
year = "2013",
abstract = "In order to expand diesel fuel processing capacity an option to co-hydrotreat straight run gas oil blended with fraction containing FCC naphtha and light cycle oil was investigated. Industrial test run was performed under pressure of 40 bar in the catalytic reactor with two layers of conventional Co-Mo/gamma-Al2O3 catalyst, by increasing volume content of FCC naphtha and light cycle oil fraction in the reactor inlet to 20%vol. Reactor inlet temperature was also increased during the test run from 327 to 334 degrees C. Liquid hourly space velocities between 1.05 and 1.32 h(-1) have been used with H-2/oil ratios of 908-1135 Nm(3) hydrogen/m(3) oil. Sulphur inlet concentrations of 6500-8200 ppm were reduced to 36-72 ppm in the hydrotreated oil. GC-MS analysis of the sulphur compound's sub-families has shown that most of the sulphur was present in more reactive classes like alkyl substituted benzothiophenes. High conversion of sulphur was achieved by a combination of the following process parameters: high reaction temperature, low space velocity, presence of FCC naphtha in the feed and distribution of inlet sulphur dominantly concentrated in more reactive benzothiophenes. The activation energy of 33.2 kcal/mol was determined for this type of feedstock using power law kinetic expression.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Fuel Processing Technology",
title = "Hydrotreating of straight-run gas oil blended with FCC naphtha and light cycle oil",
pages = "165-160",
volume = "106",
doi = "10.1016/j.fuproc.2012.07.018"
}
Dukanović, Z., Glišić, S., Jancić-Cobanin, V., Niciforović, M., Georgiou, C. A.,& Orlović, A.. (2013). Hydrotreating of straight-run gas oil blended with FCC naphtha and light cycle oil. in Fuel Processing Technology
Elsevier Science Bv, Amsterdam., 106, 160-165.
https://doi.org/10.1016/j.fuproc.2012.07.018
Dukanović Z, Glišić S, Jancić-Cobanin V, Niciforović M, Georgiou CA, Orlović A. Hydrotreating of straight-run gas oil blended with FCC naphtha and light cycle oil. in Fuel Processing Technology. 2013;106:160-165.
doi:10.1016/j.fuproc.2012.07.018 .
Dukanović, Zoran, Glišić, Sandra, Jancić-Cobanin, Vesna, Niciforović, Miroslav, Georgiou, Constantinos A., Orlović, Aleksandar, "Hydrotreating of straight-run gas oil blended with FCC naphtha and light cycle oil" in Fuel Processing Technology, 106 (2013):160-165,
https://doi.org/10.1016/j.fuproc.2012.07.018 . .

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