Green Synthesis
of Manganese-Enriched Zinc Oxide Nanoparticles via Dragon Fruit Peel Extracts and
their Photocatalytic activity on Methyl Orange
Kistan A., Kanchana V., Mohan S. and Chitra M.
Res. J. Chem. Environ.; Vol. 29(2); 81-89;
doi: https://doi.org/10.25303/292rjce081089; (2025)
Abstract
Methylene orange (MO) is organic dye, unsafe and persevering in the climate. This
study was chosen to assess photocatalytic expulsion of MO color from fluid arrangement
utilizing Mn doped ZnO nanoparticles. Characterisation of Mn doped ZnO nano particle
was performed utilizing Fourier transform infrared spectroscopy (FTIR), Electronic
microscopy and X-beam diffraction (XRD). A 5-level-5-factor focal composite plan
(CCD) approach-based reaction surface system (RSM) analysis was utilized to indicate
the impact of primary cycle factors.
The removal efficiency of dye was acquired more than 90 % in ideal circumstances
(10 mg/L, pH: 9, contact time: 91.25 min, Mn-ZnO NP's measurement: 0.77 g/L). Exploratory
information was well fitted to pseudo-second request dynamic model (R2 = 0.989).
Therefore, Mn-ZnO NP's can be applicable for treating contemporary wastewater having
colour.