Phosphorus-containing activated carbon as acid support in a bifunctional Pt-Pd catalyst for tire oil hydrocracking

Idoia Hita, Tomás Cordero-Lanzac, Aurora Gallardo, José M. Arandes, José Rodríguez-Mirasol, Javier Bilbao, Tomás Cordero, Pedro Castano*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

A bifunctional Pt-Pd catalyst supported on phosphorus-containing activated carbon has been prepared, characterized and tested in the hydrocracking of a hydrotreated tire pyrolysis oil. The product has a very interesting composition: 48-78 wt% naphtha and 19-42 wt% diesel fractions, with moderate amounts of aromatics (< 40 wt%) and sulfur (< 250 ppm). The challenge was to prepare a stable, porous, selective and acid carbonaceous catalyst from a waste (olive stone), which has been confirmed from the catalytic properties and product distribution point of view. In fact, phosphate groups in the activated carbon are stable hydrocracking sites, with comparable performance to that of the acid sites present in amorphous SiO2-Al2O3.

Original languageEnglish (US)
Pages (from-to)48-51
Number of pages4
JournalCatalysis Communications
Volume78
DOIs
StatePublished - Mar 10 2016

Keywords

  • Acid activated carbon
  • Bifunctional hydrocracking catalyst
  • Coke deactivation
  • Diesel
  • Naphtha
  • Tire pyrolysis oil

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Process Chemistry and Technology

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