Inhibition of SRGO Hydrodesulfurization over CoMo/Al2O3 Catalyst: Comparison of Rapeseed Oil and Carbon Monoxide Effects

AUTHOR(S):

Irina V. Deliy, Evgeniya N. Vlasova, Pavel V. Aleksandrov, Galina I. Aleshina, Valerii V. Bukhtiyarov, Evgeny Yu. Gerasimov, Alexey L. Nuzhdin, Galina A. Bukhtiyarova

TITLE

Inhibition of SRGO Hydrodesulfurization over CoMo/Al2O3 Catalyst: Comparison of Rapeseed Oil and Carbon Monoxide Effects

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ABSTRACT

Inhibition of SRGO hydrodesulfurization (HDS) in the presence of rapeseed oil (RSO) and carbon monoxide was studied over CoMo/Al2O3 catalyst at 340 °C, 4.0 MPa, LHSV – 2 h-1 and H2/feed ratio – 600 Nm3/m3. It was found that both RSO and CO addition decrease the sulfur content in the products, wherein the HDS rate constant correlates with the CO content in the outlet gas irrespective of the source of CO: addition to the inlet gas or production from rapeseed oil HDO. The effect of CO on the selectivity of HDO/HDeCOx routes is also observed: the ratio C18/C17 is increased with the rising of CO concentration in the feed. The obtained results confirm the major role of CO as the inhibitor of HDS reactions in the presence in the blends with RSO.

KEYWORDS

hydrodesulfurization, hydrodeoxygenation, CoMo sulfide catalyst, rapeseed oil, SRGO, co-processing

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Cite this paper

Irina V. Deliy, Evgeniya N. Vlasova, Pavel V. Aleksandrov, Galina I. Aleshina, Valerii V. Bukhtiyarov, Evgeny Yu. Gerasimov, Alexey L. Nuzhdin, Galina A. Bukhtiyarova. (2017) Inhibition of SRGO Hydrodesulfurization over CoMo/Al2O3 Catalyst: Comparison of Rapeseed Oil and Carbon Monoxide Effects. International Journal of Environmental Science, 2, 386-391