Hydrogenation of scrap tires oil (STO) on a Pt-Pd/activated-carbon catalyst for clean fuel production

I. Hita, P. Castaño, A. Gutiérrez, G. López, M. J. Valero, A. Gallardo, T. Cordero, J. Rodríguez-Mirasol, J. M. Arandes

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The possibilities of the STO hydrogenation over a Pt-Pd catalyst supported on activated carbon to produce fuel with low content of aromatics, sulfur, and nitrogen were studied. The STO composition was 9.92 wt % paraffins, 1.91 wt % olefins, 27.3 wt % aromatics, 4.6 wt % oxygenated compounds, 27.6 wt % cycloalkanes, 2.07 wt % sulfur compounds, and 1.33 wt % nitrogen compounds. After hydrogenation, a significant amount of the heaviest fraction of STO (bi-aromatic and tri-aromatic compounds) was converted. The retention time of the products was lower than that of the feed and, as a consequence, the boiling point of the products was also lower. Benzothiazole some benzeneamides were hydrodesulfurated/hydrodenitrogenated. This may be due to the strong effect as adsorbent of the activated carbon, which enhances the catalyst HDS and HDN activity. This is an abstract of a paper presented at the CHISA 2012 - 20th International Congress of Chemical and Process Engineering and PRES 2012 - 15th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction (Prague, Czech Republic 8/25-29/2012).
Original languageEnglish (US)
Title of host publicationCHISA 2012 - 20th International Congress of Chemical and Process Engineering and PRES 2012 - 15th Conference PRES
StatePublished - Dec 1 2012
Externally publishedYes

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