Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.14279/22964
Title: Theoretical Investigation of the Deactivation of Ni Supported Catalysts for the Catalytic Deoxygenation of Palm Oil for Green Diesel Production
Authors: Hafeez, Sanaa 
Al-Salem, Sultan M. 
Papageridis, Kyriakos N. 
Charisiou, Nikolaos D. 
Goula, Maria A. 
Manos, George 
Constantinou, Achilleas 
Major Field of Science: Natural Sciences
Field Category: Chemical Sciences
Keywords: Green diesel;Catalyst deactivation;Selective deoxygenation;Computational fluid dynamics (CFD)
Issue Date: Jun-2021
Source: Catalysts, 2021, vol. 11, no. 6, articl. no. 747
Volume: 11
Issue: 6
Journal: Catalysts 
Abstract: For the first time, a fully comprehensive heterogeneous computational fluid dynamic (CFD) model has been developed to predict the selective catalytic deoxygenation of palm oil to produce green diesel over an Ni/ZrO2 catalyst. The modelling results were compared to experimental data, and a very good validation was obtained. It was found that for the Ni/ZrO2 catalyst, the paraffin conversion increased with temperature, reaching a maximum value (>95%) at 300◦CHowever, temperatures greater than 300◦C resulted in a loss of conversion due to the fact of catalyst deactivation. In addition, at longer times, the model predicted that the catalyst activity would decline faster at temperatures higher than 250◦C. The CFD model was able to predict this deactivation by relating the catalytic activity with the reaction temperature.
URI: https://hdl.handle.net/20.500.14279/22964
ISSN: 20734344
DOI: 10.3390/catal11060747
Rights: © 2021 by the authors. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.
Type: Article
Affiliation : London South Bank University 
Kuwait Institute for Scientific Research 
University of Western Macedonia 
University College London 
Cyprus University of Technology 
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