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    Oxidative desulfurization of model compounds and crude oil using Mo/Ti-DMSN catalyst and a detailed molecular characterization of sulfur species

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    Embargo End Date:
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    Type
    Article
    Authors
    Fan, Jiyuan
    Chen, Aiping
    Saxena, Saumitra
    Li, Haidong
    Castaño, Pedro cc
    Zhang, Wen
    Roberts, William L. cc
    KAUST Department
    Advanced Membranes and Porous Materials Research Center
    Chemical Engineering Program
    Clean Combustion Research Center
    Clean Combustion Research Center, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955–6900, Saudi Arabia
    Core Labs, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955–6900, Saudi Arabia
    KAUST Catalysis Center (KCC)
    KAUST Catalysis Center, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955–6900, Saudi Arabia
    Mechanical Engineering Program
    Organic Team
    Organics
    Physical Science and Engineering (PSE) Division
    high-pressure combustion (HPC) Research Group
    Date
    2022-05-11
    Embargo End Date
    2024-05-11
    Permanent link to this record
    http://hdl.handle.net/10754/678301
    
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    Abstract
    We prove here that Mo supported on Ti-modified dendritic mesoporous silica nanoparticles (DMSN) is an excellent catalyst for the oxidative desulfurization of model compounds and real crude oils. The catalyst was synthesized; characterized; tested in the removal of benzothiophene, dibenzothiophene, and 4,6-dimethyl dibenzothiophene; and re-tested in the sulfur removal from Arabian extra light crude oil under the optimized conditions. The can remove 92.5–99.5% of the most refractory compounds in the optimized conditions of 80 °C. For the Arabian Extra light crude oil (AXL), we employed Fourier-transform ion cyclotron resonance (FT-ICR) to analyze in detail the sulfur-containing compounds in the feedstock, oxidized product, and extraction phase. The sulfoxide species with low double bond equivalent (DBE) can be removed entirely after the stage 1 extraction.
    Citation
    Fan, J., Chen, A., Saxena, S., Li, H., Castaño, P., Zhang, W., & Roberts, W. L. (2022). Oxidative desulfurization of model compounds and crude oil using Mo/Ti-DMSN catalyst and a detailed molecular characterization of sulfur species. Catalysis Today. https://doi.org/10.1016/j.cattod.2022.05.009
    Sponsors
    The work was sponsored by the Clean Combustion Research Center at King Abdullah University of Science and Technology (KAUST). The author thanks the Arabian extra light crude oil supported by Saudi Aramco.
    Publisher
    Elsevier BV
    Journal
    Catalysis Today
    DOI
    10.1016/j.cattod.2022.05.009
    Additional Links
    https://linkinghub.elsevier.com/retrieve/pii/S0920586122001596
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.cattod.2022.05.009
    Scopus Count
    Collections
    Articles; Advanced Membranes and Porous Materials Research Center; Physical Science and Engineering (PSE) Division; Chemical Engineering Program; Mechanical Engineering Program; KAUST Catalysis Center (KCC); Clean Combustion Research Center

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