This study shows the effect of Zinc oxide nanorods, synthesized using Moringa oleifera phytochemicals as reducing and stabilizing agents were synthesized via a green method and systematically characterized to establish a consistent dataset linking structure, properties, and photocatalytic activity. Energy-dispersive X-ray spectroscopy confirmed the presence of only Zn and O elements, while scanning electron microscopy showed uniformly dispersed rod-like morphologies with particle sizes in the range of 10–25 nm. Powder X-ray diffraction confirmed a crystalline hexagonal wurtzite phase with an average crystallite size of 7.56 nm. The photocatalytic efficiency of ZnO nanorods was estimated using methylene blue, Congo red, and rhodamine B dyes as model pollutants, in addition to real textile wastewater samples. The treated wastes showed improved dissolved oxygen from 0.4 to 2.13 mg/L and lowered BOD from 930 to 30 mg/L. These data show the reproducibility and efficiency of green synthesis of ZnO nanoparticles using M. oleifera for wastewater purification.
Adeleke et al. (Sat,) studied this question.
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