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The Sonocatalytic Activation of Persulfates on Iron Nanoparticle Decorated Zeolite for the Degradation of 1,4-Dioxane in Aquatic Environments
Abstract
In the chemical industry, 1,4-diethylene dioxide, commonly called dioxane, is widely used as a solvent as well as a stabilizing agent for chlorinated solvents. Due to its high miscibility, dioxane is a ubiquitous water contaminant. This study investigates the effectiveness of catalyst- and ultrasound (US)-assisted persulfate (PS) activation with regard to degrading dioxane. As a first step, a composite catalyst was prepared using zeolite. A sonochemical dispersion and reduction method was used to dope zeolite with iron nanoparticles (FeNP/Z). In the subsequent study, the reaction kinetics of dioxane degradation following the single-stage and two-stage addition of PS was examined in the presence of a catalyst. Using GC-MS analysis, intermediate compounds formed from dioxane degradation were identified, and plausible reaction pathways were described. Upon 120 min of sonication in the presence of a catalyst with a two-stage injection of PS, 95% 100 mg/L dioxane was degraded. Finally, the estimated cost of treatment is also reported in this study. Sonolytically activated PS combined with a FeNP/Z catalyst synergizes the remediation of biorefractory micropollutants such as dioxane.
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Authors (7)
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Surya Teja Malkapuram
- National Institute of Technology Warangal, Warangal 506004, India
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Shirish H. Sonawane
- National Institute of Technology Warangal, Warangal 506004, India
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Manoj P Rayaroth
- GREMI, UMR 7344, CNRS, Université d’Orléans, 45067 Orléans, France
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Murali Mohan Seepana
- National Institute of Technology Warangal, Warangal 506004, India
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Sivakumar Manickam
- Universiti Tecknologi Brunei, Bandar Seri Begawan BE1410, Brunei
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Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/catal13071065
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Keywords
Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
Catalysts
no. 13,
ISSN: 2073-4344 - Language:
- English
- Publication year:
- 2023
- Bibliographic description:
- Malkapuram S. T., Sonawane S. H., Rayaroth M. P., Seepana M. M., Manickam S., Karczewski J., Boczkaj G.: The Sonocatalytic Activation of Persulfates on Iron Nanoparticle Decorated Zeolite for the Degradation of 1,4-Dioxane in Aquatic Environments// Catalysts -Vol. 13,iss. 7 (2023), s.1065-
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/catal13071065
- Sources of funding:
- Verified by:
- Gdańsk University of Technology
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