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    Electric field driven separation of oil-water mixtures: model development

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    Publication date
    2014
    Author
    Wallau, W.
    Patel, Rajnikant
    Mujtaba, Iqbal M.
    Arellano-Garcia, Harvey
    Keyword
    Modelling; Process analysis; Electrical field; Coalescence
    Peer-Reviewed
    Yes
    
    Metadata
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    Abstract
    Coalescence enhancement of water droplets in oil emulsions is commonly contemplated for the separation of an aqueous phase dispersed in a dielectric oil phase with a considerably lower dielectric constant than that of the dispersed phase. The characteristics and geometry of the electrode system have a large impact on the performance of an electrostatic coalescer and are actually strictly linked to the type of the applied electric field and the emulsion used. Furthermore, addition of chemicals and heating has also been revealed to further enhance the electrocoalescence of water droplets. In this work, the coalescence of two water drops sinking in a dielectric oil phase at an applied high voltage, pulsed dc electric field, in particular with regards to the effects of pressure and temperature on coalescence performance is investigated. The developed model should help to recognise and prove approaches to electrocoalescence mechanisms, the dispersion flow direction with respect to the applied electric field, as well as the electric field configuration.
    URI
    http://hdl.handle.net/10454/10808
    Version
    No full-text in the repository
    Citation
    Wallau W, Patel R, Mujtaba IM et al (2014) Electric field driven separation of oil-water mixtures: model development. In: Klemeš J et al (Eds.) 24th European Symposium on Computer Aided Process Engineering. (Computer Aided Chemical Engineering) Elsevier: 1615-1621.
    Link to publisher’s version
    https://doi.org/10.1016/B978-0-444-63455-9.50104-5
    Type
    Book chapter
    Collections
    Engineering and Informatics Publications

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