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    Evaluation the performance of the tin (IV) oxide (SnO2) in the removal of sulfur compounds via oxidative-extractive desulfurization process for production an eco-friendly fuel

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    Publication date
    2022
    End of Embargo
    2023-10-6
    Author
    Humadi, J.I.
    Issa, Y.S.
    Aqar, D.Y.
    Ahmed, M.A.
    Ali Alak, H.H.
    Mujtaba, Iqbal M.
    Keyword
    Nano-catalyst
    Tin (IV) oxide
    Manganese oxide
    Oxidative- extractive desulfurization
    Rights
    © 2022 Walter de Gruyter GmbH. Reproduced in accordance with the publisher's self-archiving policy. The final publication is available at www.degruyter.com.
    Peer-Reviewed
    Yes
    Open Access status
    embargoedAccess
    
    Metadata
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    Abstract
    Catalysts play a vital role in petroleum and chemical reactions. Intensified concerns for cleaner air with strict environmental regulations on sulfur content in addition to meet economic requirements have generated significant interests for the development of more efficient and innovative oxidative catalysts recently. In this study, a novel homemade nano catalyst (manganese oxide (MnO2) over tin (IV) oxide (SnO2)) was used for the first time as an effective catalyst in removing dibenzothiophene (DBT) from kerosene fuel using hydrogen peroxide (H2O2) as oxidant in catalytic oxidative-extractive desulfurization process (OEDS). The catalyst was prepared by impregnation method with various amount of MnO2 loaded on SnO2. The oxidation step was carried out at different operating parameters such as reaction temperature and reaction time in batch reactor. The extractive desulfurization step was performed by using acetonitrile as solvent under several operating conditions (agitation speed and mixing time). The activity of MnO2/SnO2 catalyst in removing various sulfur compounds from kerosene fuel at the best operating conditions was investigated in this work. The results of the catalyst characterization proved that a high dispersion of MnO2 over the SnO2 was obtained. The experiments showed that the highest DBT and various sulfur compounds removal efficiency from kerosene fuel under the best operating conditions (oxidation: 5% MnO2/SnO2, reaction temperature of 75 0C, and reaction time of 100 min, extraction: acetonitrile, agitation speed of 900 rpm, and mixing time of 30 min) via the catalytic oxidative-extractive desulfurization process was 92.4% and 91.2%, respectively. Also, the MnO2/SnO2 catalyst activity was studied after six consecutive oxidation cycles at the best operating conditions, and the catalyst prove satisfactory stability in terms of sulfur compounds removal. After that, the spent catalyst were regenerated by utilizing different solvents (methanol, ethanol and iso-octane), and the experimental data explained that iso-octane achieved highest regeneration efficiency.
    URI
    http://hdl.handle.net/10454/19165
    Version
    Accepted manuscript
    Citation
    Humadi JI, Issa YS, Aqar DY et al (2022) Evaluation the performance of the tin (IV) oxide (SnO2) in the removal of sulfur compounds via oxidative-extractive desulfurization process for production an eco-friendly fuel. International Journal of Chemical Reactor Engineering. Accepted for publication.
    Link to publisher’s version
    https://doi.org/10.1515/ijcre-2022-0046
    Type
    Article
    Notes
    The full-text of this article will be released for public view at the end of the publisher embargo on 6th Oct 2023.
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