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Comparative study of green synthesis of nanoparticles for removal of oily industrial wastewater by Taguchi method

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Abstract

Oily industrial wastewater poses significant risks to soil, water, air, and humans because of the hazardous content of its contents. Therefore, removing it from wastewater contaminated with this type of pollutant is very important. This study aims to remove petrochemical wastewater from process water. Using a green synthesis of MCM-41, Co-MCM-41, and ALV-TiO2/Co-MCM-41 and optimize the process using the Taguchi design method. Four effective parameters in the removal of oily industrial wastewater including pH, reaction time, nanoparticle dose, and hydrogen peroxide concentration were investigated in this study by the respective optimal conditions 11, 90 min, 0.5 g, and 0.2 mol/L. pH was introduced as the most effective parameter and the dose of nanoparticles was the lowest relevant value in the removal of oily industrial wastewater. The removal percentage of oily industrial wastewater in optimal conditions by MCM-41, Co-MCM-41, and ALV-TiO2/Co-MCM-41 are 57.19%, 66.58%, and 83.62%, respectively. Although, the removal of oily content for the ALV-TiO2/Co-MCM-41 sample under visible light was 93.38%. The reusability tests for nanoparticles show the highest activity of nanoparticles in the reaction cycles of at least five consecutive cycles.

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Acknowledgements

This research has been extracted from a Ph.D. thesis at Islamic Azad University, Bushehr. The authors would like to thank Pars Petrochemical Laboratory and its respected staff for providing facilities and equipment for this research.

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This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

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The authors contributed to data analysis, drafting, or revising the article, gave final approval of the version to be published, and agree to be accountable for all aspects of the work.

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Correspondence to T. Tabatabaie.

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This article does not contain any studies with human participants or animals performed by any of the authors.

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Editorial responsibility: Samareh Mirkia.

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Heydari, M., Tabatabaie, T., Amiri, F. et al. Comparative study of green synthesis of nanoparticles for removal of oily industrial wastewater by Taguchi method. Int. J. Environ. Sci. Technol. 20, 10983–10998 (2023). https://doi.org/10.1007/s13762-023-05106-1

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  • DOI: https://doi.org/10.1007/s13762-023-05106-1

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