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    Optimisation of semi-batch reactive distillation column for the synthesis of methyl palmitate

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    Publication date
    2021-09-01
    Author
    Aqar, D.Y.
    Abbas, A.S.
    Patel, Rajnikant
    Mujtaba, Iqbal M.
    Keyword
    Batch time
    Kinetics modelling
    Methyl palmitate
    SBRD
    Rights
    © 2021 Elsevier. Reproduced in accordance with the publisher's self-archiving policy. This manuscript version is made available under the CC-BY-NC-ND 4.0 license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
    Peer-Reviewed
    Yes
    Open Access status
    openAccess
    
    Metadata
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    Abstract
    Synthesis of methyl palmitate (MP) has not been considered in the past using a reactive distillation process (continuous or batch) due to the challenge of keeping the reactants palmitic acid (PA) and methanol (MeOH) together in the reactive zone. MeOH, being the lightest in the reaction mixture, travels up the distillation column as distillation proceeds and will be removed from the system via the distillate in a conventional batch reactive distillation (CBRD) column and thus will limit the conversion of PA. Therefore, in this work semi-batch reactive distillation (SBRD) column is proposed where additional methanol will be fed at the bottom of the column in a continuous mode allowing the chemical reaction to continue. However, as water (H2O) is one of the reaction products and is the second lightest component in the mixture, it will travel up the column next and will be removed in the distillate tank. Also due to wide difference in the boiling points of the reaction products and due to diminishing amount of water in the reboiler, the backward reaction will not be a dominating factor and therefore ignored in this work. With this backdrop, optimal performance of the SBRD column is evaluated in terms of conversion of PA to MP and energy consumption via minimization of the operating batch time for a wide range on MP purity.
    URI
    http://hdl.handle.net/10454/18923
    Version
    Accepted manuscript
    Citation
    Aqar DY, Abbas AS, Patel R et al (2021) Optimisation of semi-batch reactive distillation column for the synthesis of methyl palmitate. Separation and Purification Technology. 270: 118776.
    Link to publisher’s version
    https://doi.org/10.1016/j.seppur.2021.118776
    Type
    Article
    Collections
    Engineering and Informatics Publications

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