Enhanced paraben removal through synergistic catalytic ozonation and adsorption processes using Fe3O4-GAC magnetic composite
Abstract The potential long-term deleterious effects of parabens on ecosystems, particularly as endocrine disruptors, have been a source of concern due to their persistent presence in natural waters. This study evaluated the catalytic performance of Fe3O4-enhanced granular activated carbon (Fe3O4-GA...
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SpringerOpen
2025-05-01
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| Series: | Applied Water Science |
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| Online Access: | https://doi.org/10.1007/s13201-025-02475-5 |
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| author | Bahareh Ahmadi Abooalfazl Azhdarpoor Mohammad Hoseini |
| author_facet | Bahareh Ahmadi Abooalfazl Azhdarpoor Mohammad Hoseini |
| author_sort | Bahareh Ahmadi |
| collection | DOAJ |
| description | Abstract The potential long-term deleterious effects of parabens on ecosystems, particularly as endocrine disruptors, have been a source of concern due to their persistent presence in natural waters. This study evaluated the catalytic performance of Fe3O4-enhanced granular activated carbon (Fe3O4-GAC) in the catalytic ozonation of methyl-paraben (MP) and ethyl-paraben (EP). Characterization confirmed that Fe3O4 nanoparticle improved GAC’s surface properties, enhancing reaction efficiency. Under optimized conditions (1.5 g/L GAC, pH 3, 20 mg/L parabens, 45 min), the adsorption process achieved removal efficiencies of 70% for MP and 65% for EP. Fe3O4-GAC outperformed ozonation and catalytic ozonation with GAC, removing 98% of MP and 95% of EP at pH 9, 1 g/L catalyst, and 5 min of reaction time. Adsorption kinetics followed the pseudo-first-order kinetic model with higher determination coefficients (R2: 0.9369 for MP, 0.9164 for EP) than the pseudo-second-order model, while the Langmuir isotherm best described the process (R2: 0.9782 for MP, 0.9933 for EP). Degradation in catalytic ozonation using Fe3O4-GAC also followed the pseudo-first-order kinetic model, achieving rate constants of 0.4437 min⁻1 for MP and 0.3076 min⁻1 for EP. Moreover, the catalyst demonstrated excellent reusability, maintaining high performance after five successive cycles. These findings underline the potential of Fe3O4-GAC as a sustainable and efficient catalyst for removing parabens from water, addressing an urgent environmental challenge. |
| format | Article |
| id | doaj-art-e7c8c7c8531a435ebcdc994ee65e2509 |
| institution | DOAJ |
| issn | 2190-5487 2190-5495 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Applied Water Science |
| spelling | doaj-art-e7c8c7c8531a435ebcdc994ee65e25092025-08-20T02:39:47ZengSpringerOpenApplied Water Science2190-54872190-54952025-05-0115611610.1007/s13201-025-02475-5Enhanced paraben removal through synergistic catalytic ozonation and adsorption processes using Fe3O4-GAC magnetic compositeBahareh Ahmadi0Abooalfazl Azhdarpoor1Mohammad Hoseini2Student Research Committee, Shiraz University of Medical SciencesDepartment of Environmental Health Engineering, School of Health, Shiraz University of Medical SciencesDepartment of Environmental Health Engineering, School of Health, Shiraz University of Medical SciencesAbstract The potential long-term deleterious effects of parabens on ecosystems, particularly as endocrine disruptors, have been a source of concern due to their persistent presence in natural waters. This study evaluated the catalytic performance of Fe3O4-enhanced granular activated carbon (Fe3O4-GAC) in the catalytic ozonation of methyl-paraben (MP) and ethyl-paraben (EP). Characterization confirmed that Fe3O4 nanoparticle improved GAC’s surface properties, enhancing reaction efficiency. Under optimized conditions (1.5 g/L GAC, pH 3, 20 mg/L parabens, 45 min), the adsorption process achieved removal efficiencies of 70% for MP and 65% for EP. Fe3O4-GAC outperformed ozonation and catalytic ozonation with GAC, removing 98% of MP and 95% of EP at pH 9, 1 g/L catalyst, and 5 min of reaction time. Adsorption kinetics followed the pseudo-first-order kinetic model with higher determination coefficients (R2: 0.9369 for MP, 0.9164 for EP) than the pseudo-second-order model, while the Langmuir isotherm best described the process (R2: 0.9782 for MP, 0.9933 for EP). Degradation in catalytic ozonation using Fe3O4-GAC also followed the pseudo-first-order kinetic model, achieving rate constants of 0.4437 min⁻1 for MP and 0.3076 min⁻1 for EP. Moreover, the catalyst demonstrated excellent reusability, maintaining high performance after five successive cycles. These findings underline the potential of Fe3O4-GAC as a sustainable and efficient catalyst for removing parabens from water, addressing an urgent environmental challenge.https://doi.org/10.1007/s13201-025-02475-5Activated carbonCatalytic ozonation processMagnetic compositeParabens |
| spellingShingle | Bahareh Ahmadi Abooalfazl Azhdarpoor Mohammad Hoseini Enhanced paraben removal through synergistic catalytic ozonation and adsorption processes using Fe3O4-GAC magnetic composite Applied Water Science Activated carbon Catalytic ozonation process Magnetic composite Parabens |
| title | Enhanced paraben removal through synergistic catalytic ozonation and adsorption processes using Fe3O4-GAC magnetic composite |
| title_full | Enhanced paraben removal through synergistic catalytic ozonation and adsorption processes using Fe3O4-GAC magnetic composite |
| title_fullStr | Enhanced paraben removal through synergistic catalytic ozonation and adsorption processes using Fe3O4-GAC magnetic composite |
| title_full_unstemmed | Enhanced paraben removal through synergistic catalytic ozonation and adsorption processes using Fe3O4-GAC magnetic composite |
| title_short | Enhanced paraben removal through synergistic catalytic ozonation and adsorption processes using Fe3O4-GAC magnetic composite |
| title_sort | enhanced paraben removal through synergistic catalytic ozonation and adsorption processes using fe3o4 gac magnetic composite |
| topic | Activated carbon Catalytic ozonation process Magnetic composite Parabens |
| url | https://doi.org/10.1007/s13201-025-02475-5 |
| work_keys_str_mv | AT baharehahmadi enhancedparabenremovalthroughsynergisticcatalyticozonationandadsorptionprocessesusingfe3o4gacmagneticcomposite AT abooalfazlazhdarpoor enhancedparabenremovalthroughsynergisticcatalyticozonationandadsorptionprocessesusingfe3o4gacmagneticcomposite AT mohammadhoseini enhancedparabenremovalthroughsynergisticcatalyticozonationandadsorptionprocessesusingfe3o4gacmagneticcomposite |