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    Optimal Design of a Trickle Bed Reactor for Light Fuel Oxidative Desulfurization based on Experiments and Modelling

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    Publication date
    2015-04-26
    Author
    Nawaf, A.T.
    Gheni, S.A.
    Jarullah, Aysar Talib
    Mujtaba, Iqbal M.
    Keyword
    Oxidative desulfurization; Dibenzothiophene; Tricke bed reactor; Mathematical model; Kinetic parameters estimation
    Rights
    © 2015 American Chemical Society. Full-text reproduced in accordance with the publisher’s self-archiving policy.
    Peer-Reviewed
    Yes
    
    Metadata
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    Abstract
    In this work, the performance of oxidative desulfurization (ODS) of dibenzothiophene (DBT) in light gas oil (LGO) is evaluated with a homemade manganese oxide (MnO2/γ-Al2O3) catalyst. The catalyst is prepared by Incipient Wetness Impregnation (IWI) method with air under moderate operating conditions. The effect of different reaction parameters such as reaction temperature, liquid hour space velocity and initial concentration of DBT are also investigated experimentally. Developing a detailed and a validated trickle bed reactor (TBR) process model that can be employed for design and optimization of the ODS process, it is important to develop kinetic models for the relevant reactions with high accuracy. Best kinetic model for the ODS process taking into account hydrodynamic factors (mainly, catalyst effectiveness factor, catalyst wetting efficiency and internal diffusion) and the physical properties affecting the oxidation process is developed utilizing data from pilot plant experiments. An optimization technique based upon the minimization of the sum of the squared error between the experimental and predicted composition of oxidation process is used to determine the best parameters of the kinetic models. The predicted product conversion showed very good agreement with the experimental data for a wide range of the operating condition with absolute average errors less than 5%.
    URI
    http://hdl.handle.net/10454/7928
    Version
    Accepted Manuscript
    Citation
    Nawaf AT, Gheni SA, Jarullah AT and Mujtaba IM (2015) Optimal Design of a Trickle Bed Reactor for Light Fuel Oxidative Desulfurization based on Experiments and Modelling. Energy and Fuels. 29(5): 3366-3376.
    Link to publisher’s version
    http://dx.doi.org/10.1021/acs.energyfuels.5b00157
    Type
    Article
    Collections
    Engineering and Informatics Publications

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