Green synthesis of zinc oxide nanoparticles for the removal of phenol from textile wastewater

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dc.contributor.authorFatai Alade Aderibigbe
dc.contributor.authorSherif Ishola Mustapha
dc.contributor.authorIshaq Alhassan Mohammed
dc.contributor.authorTunmise Latifat Adewoye
dc.contributor.authorEsther Olubunmi Babatunde
dc.contributor.authorHabeebllah Ifeoluwa Aminullah
dc.contributor.authorKabiru Bab Muritala
dc.date.accessioned2025-04-30T16:20:24Z
dc.date.available2025-04-30T16:20:24Z
dc.date.issued2024-08-24
dc.description.abstractAbstract OPEN This study investigated the use of zinc oxide nanoparticles (ZnO NPs) as an adsorbent for removing total phenols from textile wastewater. The ZnO NPs were synthesized by reducing Zn(NO3)2⋅6H2O using an extract from Neem leaves (Azadirachta indica). Characterization of the adsorbent was performed using Fourier Transform Infrared (FTIR) spectros copy to identify functional group modifications, high-resolution scanning electron microscopy (HRSEM) for structural orientation, energy dispersive spectroscopy (EDS) for elemental analysis, and X-Ray diffraction analysis (XRD) for crys tallinity, revealing particle crystallinity around 200 nm. Adsorption experiments were conducted over contact times of 20–60 min, with adsorbent loadings between 0.2 and 1 g/100 mL, and temperatures ranging from 30 to 50 °C. Optimal phenol removal, achieving 55.93% (0.67 mg/L), occurred at 43.40 min, 33.70 °C, and an adsorbent dosage of 0.69 g/L of textile wastewater. The phenol adsorption process using ZnO NPs was exothermic, spontaneous, and required low energy, fitting well with the Langmuir isotherm and following a pseudo-second-order kinetic model. Keywords Neem · Pollutants · Nanoadsorbents · Adsorption · Crystallinity · Isotherms
dc.identifier.citationNeem · Pollutants · Nanoadsorbents · Adsorption · Crystallinity · Isotherms
dc.identifier.urihttps://doi.org/10.1007/s43938-024-00061-w
dc.identifier.urihttps://uilspace.unilorin.edu.ng/handle/123456789/15772
dc.language.isoen
dc.publisherDiscover Chemical Engineering
dc.relation.ispartofseriesVolume4: No 24; 1-15
dc.titleGreen synthesis of zinc oxide nanoparticles for the removal of phenol from textile wastewater
dc.typeArticle

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