Fuel 217 (2018) 409–419 Contents lists available at ScienceDirect Fuel journal homepage: www.elsevier.com/locate/fuel Full Length Article Afrooz Eshraghian, Maen M. Husein Department of Chemical & Petroleum Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: Catalytic thermal cracking of the residue is less common, due to high susceptibility of catalysts to deactivation. Catalytic cracking In this work, cracking of Athabasca vacuum residue in an autoclave at 400 °C was investigated in presence of in Athabasca VR situ prepared and commercial alumina nanoparticles as well as drill cuttings. A high liquid yield of ∼90 wt% was Nanoparticle obtained. The nanoparticles and drill cuttings (at 30 wt%) contributed to relatively high coke and gas yields. Drill cutting Nevertheless, the catalytic runs had higher quality maltene product. Reducing drill cuttings concentration to Upgrading 10 wt% gave the highest liquid yield with high quality maltene. Coke inhibition in presence of optimum drill In situ cuttings concentration is attributed to a balance between the rate of coke precursor formation and adsorption onto the cuttings. Subsequently, at a higher temperature, 420 °C, the higher rate of precursor formation led to similar results between the 10 wt%
Fuel – Elsevier
Published: Apr 1, 2018
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