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  • The use of modified Fe3O4 particles to recover polyphenolic compounds for the valorisation of olive mill wastewater from Slovenian Istria [Elektronski vir]
    Peeters, Kelly ; Miklavčič Višnjevec, Ana ; Tavzes, Črtomir
    Olive mill waste water (OMWW), a by-product created during the processing of olive oil, contains high amounts of polyphenolic compounds. If put to further use, these polyphenolic compounds could be a ... valuable resource for the speciality chemical industry. In order to achieve this, isolation of the polyphenolic compounds from OMWW is needed. Several techniques for this process already exist, the most widely used of which is adsorption beds. This research describes new ways of collecting polyphenolic compounds by using unmodified iron oxide (Fe3O4) particles and Fe3O4 modified with silica gel (Fe3O4@C18), citric acid (Fe3O4@CA), and sodium dodecyl sulphate (Fe3O4@SDS). This approach is superior to adsorption beds since it can be used in a continuous system without clogging, while the nano-sized shapes create a high surface area for adsorption. The results of this study show that, if used in a loop system of several adsorption and desorption cycles, (un)modified Fe3O4 has the potential to collect high concentrations of polyphenolic compounds. A combination of different modifications of the Fe3O4 particles is also beneficial, as these combinations can be tailored to allow for the removal of specific polyphenolic compounds.
    Vir: Nanomaterials [Elektronski vir]. - ISSN 2079-4991 (Vol. 14, iss. 12, art. 2327, 2022, str. 1-14)
    Vrsta gradiva - e-članek ; neleposlovje za odrasle
    Leto - 2022
    Jezik - angleški
    COBISS.SI-ID - 118192131

    Povezava(-e):

    https://www.mdpi.com/2079-4991/12/14/2327
    https://doi.org/10.3390/nano12142327
    DOI

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