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Submitted: 21 Feb 2022
Revision: 28 May 2022
Accepted: 29 May 2023
ePublished: 29 Jun 2023
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Avicenna J Environ Health Eng. 2023;10(1): 32-37.
doi: 10.34172/ajehe.2023.5259

Scopus ID: 85171639834
  Abstract View: 615
  PDF Download: 236

Original Article

The Removal of Methylene Blue from Aqueous Solutions Using Zinc Oxide Nanoparticles With Hydrogen Peroxide

Somayeh Bagheri 1 ORCID logo, Fahimeh Moghadam 2,3* ORCID logo, Hassn Mohammadi 4, Saeid Rigi 4

1 Department of Biostatistics, School of Health, Zabol University of Medical Sciences, Zabol, Iran
2 Student Research Committee, Department of Environmental Health Engineering, School of Health, Mashhad University of Medical Sciences, Mashhad, Iran
3 Department of Environmental Health Engineering, School of Health, Zabol University of Medical Sciences, Zabol, Iran
4 Student Research Committee, Department of Environmental Health, School of Health, Zabol University of Medical Sciences, Zabol, Iran
*Corresponding Author: Fahimeh Moghadam, , Email: nakhzari.f94@gmail.com

Abstract

Industrial effluents produce vast amounts of pollutants and account for 20% of industrial wastewater annually. Methylene blue (MB) is one of the most widely used dyes in the medical, pharmaceutical, and textile industries. However, it is toxic to living organisms, and even a short-time exposure to it can be potentially harmful. Therefore, the purpose of this study was to investigate the efficiency of zinc oxide nanoparticles in removing MB from aqueous solutions in the presence of hydrogen peroxide. The effects of various parameters such as pH (3-10), ZnO nanoparticle dose (0.01-0.08 g/L), reaction time (5-50 minutes), initial concentration of MB (20-200 mg/L), and the hydrogen peroxide concentration (0.5-5 mg/L) were studied. The wavelength of maximum absorption (λmax) was 665 nm. The optimal pH value was 5, zinc oxide nanoparticle dose was 0.05 g/L, the initial concentration of MB was 40 mg/L, the concentration of hydrogen peroxide was 2 mg/L, and the contact time was 20 minutes. The efficiency of MB removal was 97.99%. The results showed that zinc oxide nanoparticles in the presence of hydrogen peroxide could remove the MB from aqueous solutions with high efficiency.

Please cite this article as follows: Bagheri S, Moghadam F, Mohammadi H, Rigi S. The removal of methylene blue from aqueous solutions using zinc oxide nanoparticles with hydrogen peroxide. Avicenna J Environ Health Eng. 2023; 10(1):32-37. doi:10.34172/ ajehe.2023.5259
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