Investigation of the influencing factors and optimization study for the removal of levofloxacin in water using commercial TiO2 photocatalyst under UV-LED irradiation
Photocatalysis holds significant promise for effectively eliminating toxins, hard-to-biodegrade, and persistent organic pollutants in water. In this study, we used commercial TiO2 as a photocatalyst under UVA-LED irradiation to remove levofloxacin from water. In the photocatalytic tests, levofloxaci...
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| Veröffentlicht in: | IOP conference series. Earth and environmental science 2024-08, Vol.1391 (1), p.012008 |
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| container_title | IOP conference series. Earth and environmental science |
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| creator | Quoc Thao, Tran Tan Thi, Pham Thi Diem, Tran Pham Thanh Hien, Lam Thi Thuy, Nguyen Thi Bich Huyen, Trinh Thi Cam Tien, Nguyen Nhat Huy, Nguyen |
| description | Photocatalysis holds significant promise for effectively eliminating toxins, hard-to-biodegrade, and persistent organic pollutants in water. In this study, we used commercial TiO2 as a photocatalyst under UVA-LED irradiation to remove levofloxacin from water. In the photocatalytic tests, levofloxacin removal efficiency in water reached 68.21% after 120 minutes at pH 4 with an antibiotic/catalyst concentration ratio of 1:20. ANOVA revealed that the model achieved significance, as indicated by a p-value of 0.009. LEVO degradation under UVA-LED is three times higher than that under natural light. Optimal conditions for LEVO removal include pH 4, LEVO/TiO2 ratio of 1:20, and UVA-LED irradiation. The regression model predicts LEVO removal with high accuracy (R2 = 0.8469). This study highlights the use of photocatalysis with TiO2 as a promising approach for pharmaceutical pollutant removal, emphasizing the need for further research in sustainable water treatment technologies. |
| doi_str_mv | 10.1088/1755-1315/1391/1/012008 |
| format | Article |
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| subjects | Antibiotics Catalysts Irradiation Levofloxacin Natural lighting Persistent organic pollutants Pharmaceutical industry wastes Photocatalysis photocatalysis, TiO Photocatalysts Photodegradation Pollutant removal Pollutants Regression models Titanium dioxide Toxins Ultraviolet radiation Variance analysis Water pollution Water treatment |
| title | Investigation of the influencing factors and optimization study for the removal of levofloxacin in water using commercial TiO2 photocatalyst under UV-LED irradiation |
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