Research Journal of Chemistry

and Environment


Indexed in SCOPUS, Chemical Abstracts, UGC, NAAS, Indian Citation Index etc.



Please donate Rs.7000 per plant to WRA for our plantation drive to help create a better environment.



WRA Plantation - 50,000 trees grown on rocks and stones on barren rocky hillock "Keshar Parvat".






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.