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    Design of a new synthetic nanocatalyst resulting high fuel quality based on multiple supports: experimental investigation and modeling

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    Publication date
    2022
    End of Embargo
    2023-04-14
    Author
    Jarullah, A.T.
    Ahmed, M.A.
    Al-Tabbakh, B.A.
    Mujtaba, Iqbal M.
    Keyword
    Nano-catalyst
    Composite support
    Iron oxide
    Gamma alumina
    HY-zeolite
    Rights
    (c) 2022 de Gruyter. Full-text reproduced in accordance with the publisher's self-archiving policy.
    Peer-Reviewed
    Yes
    Open Access status
    embargoedAccess
    
    Metadata
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    Abstract
    In order to meet the environmental legislations related to sulfur content, it is important to find an alternative techniques for deep removal of sulfur components from fuels. So, in this study, a novel nano-catalyst based on iron oxide (Fe2O3) as active component prepared over composite support (γ-Alumina + HY-zeolite) is developed here for efficient removal of sulfur compounds from fuel via oxidation process. The precipitation method is employed first to prepare the composite support and then the impregnation method is utilized to generate a novel synthetic homemade (Fe2O3/ composite support) nanocatalysts that has not been developed in the literature (iron oxide over composite support). The characterizations of the prepared catalysts display that the surface area of the catalyst increases with increasing the amount of Y-zeolite in composite support. The effectiveness of the catalysts is tested by utilizing oxidative desulfurization (ODS) operation under several operating conditions. The results of the experimental work show that the activity of oxidative desulfurization enhances with increasing Y-zeolite, temperature, and batch time under moderate operating conditions. The oxidative desulfurization efficiency followed the order: CAT-1 < CAT-2 < CAT-3. The CAT-3 performed the high removal of sulfur compounds (90.73%) at 100 min and 423 K. The best values of the kinetic parameters of the ODS process are then determined based on experimental data and model based techniques within gPROMS package. Finally, the reactor model is used to determine the optimal operating conditions while maximizing the removal of sulfur compounds leading to cleaner fuel. Where, 99.3% of the sulfur removal has achieved at batch time of 190.6 min, temperature of 543.56 K and initial sulfur content at 0.8668 wt% in the presence of CAT-3 based on the optimal kinetic parameters (order of reaction (n) of 1.9865719, activation energy (EA) at 29.942 KJ/mol and pre-exponential factor (ko) with 622.926 wt-0.9865719. min-1).
    URI
    http://hdl.handle.net/10454/18857
    Version
    Published version
    Citation
    Jarullah AT, Ahmed MA, Al-Tabbakh BA et al (2022) Design of a new synthetic nanocatalyst resulting high fuel quality based on multiple supports: experimental investigation and modeling. Chemical Product and Process Modeling. Accepted for publication.
    Link to publisher’s version
    https://doi.org/10.1515/cppm-2021-0073
    Type
    Article
    Notes
    The full-text of this article will be released for public view at the end of the publisher embargo on 14 Apr 2023.
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    Engineering and Informatics Publications

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