Anthracene aquacracking using NiMo/SiO2 catalysts in supercritical water conditions
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Ramirez Reina, T, Yeletsky, P, Bermudez, JM, Arcelus-Arrillaga, P, Yakovlev, V and Millan, M (2016) Anthracene aquacracking using NiMo/SiO2 catalysts in supercritical water conditions Fuel: the science and technology of fuel and energy, 182. pp. 740-748.
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Abstract
A series of effective NiMo/SiO2 catalysts for heavy oil upgrading in supercritical water have been developed. Experimental results with anthracene as model compound resembling structures present in heavy oils showed that the catalytic activity as well as the liquid and gas product distributions are governed by catalyst composition. In particular by adjusting the Ni/Mo ratio different physicochemical properties (crystalline phase composition, particle size and catalysts reducibility) are obtained, which have influence on catalytic behavior. A variety of liquid products together with a valuable gas (rich in H2) are produced in this process, which takes place with remarkably low coke deposition on the catalysts. Overall, the results derived from this work confirm the viability of upgrading polyaromatic structures in supercritical water using Ni-Mo catalysts and provides an insight on the main parameters to control in catalyst design.
| Item Type: | Article | |||||||||||||||||||||
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| Subjects : | Chemical and Process Engineering | |||||||||||||||||||||
| Divisions : | Faculty of Engineering and Physical Sciences > Chemical and Process Engineering | |||||||||||||||||||||
| Authors : |
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| Date : | 15 October 2016 | |||||||||||||||||||||
| Identification Number : | 10.1016/j.fuel.2016.06.038 | |||||||||||||||||||||
| Copyright Disclaimer : | © 2016. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ | |||||||||||||||||||||
| Depositing User : | Symplectic Elements | |||||||||||||||||||||
| Date Deposited : | 26 Oct 2016 11:18 | |||||||||||||||||||||
| Last Modified : | 15 Jun 2017 02:08 | |||||||||||||||||||||
| URI: | http://epubs.surrey.ac.uk/id/eprint/812508 |
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