The Catalytic Degradation of the Inflammatory Drug Diclofenac Sodium in Water by Fe<sup>2+</sup>/Persulfate, Fe<sup>2+</sup>/Peroxymonosulfate and Fe<sup>2+</sup>/H<sub>2</sub>O<sub>2</sub> Processes: A Comparative Analysis
Diclofenac sodium was extensively used for treating arthritis, osteoarthritis and skeletal muscular injuries, which ultimately caused troubles for aquatic organisms as well as human beings. In this study, homogeneous catalytic advanced oxidation processes, including Fe<sup>2+</sup>/persu...
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MDPI AG
2023-02-01
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| Series: | Water |
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| Online Access: | https://www.mdpi.com/2073-4441/15/5/885 |
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| author | Faiza Rehman Waqas Ahmad Nazish Parveen Syed Khuram Zakir Sanaullah Khan Changseok Han |
| author_facet | Faiza Rehman Waqas Ahmad Nazish Parveen Syed Khuram Zakir Sanaullah Khan Changseok Han |
| author_sort | Faiza Rehman |
| collection | DOAJ |
| description | Diclofenac sodium was extensively used for treating arthritis, osteoarthritis and skeletal muscular injuries, which ultimately caused troubles for aquatic organisms as well as human beings. In this study, homogeneous catalytic advanced oxidation processes, including Fe<sup>2+</sup>/persulfate, Fe<sup>2+</sup>/peroxymonosulfate and Fe<sup>2+</sup>/H<sub>2</sub>O<sub>2</sub>, were used for the degradation of diclofenac sodium in water, without using UV-C light. About 89, 82 and 54% DCF sodium was decomposed by Fe<sup>2+</sup>/persulfate, Fe<sup>2+</sup>/peroxymonosulfate and Fe<sup>2+</sup>/H<sub>2</sub>O<sub>2</sub>, respectively, in 60 min. The degradation of diclofenac sodium followed the <i>pseudo first-order</i> kinetics, in all cases. The degradation efficiency of diclofenac sodium was significantly affected in the presence of various anions, such as NO<sub>3</sub><sup>−</sup>, HCO<sub>3</sub><sup>−</sup> and SO<sub>4</sub><sup>2−</sup>. The mineralization studies revealed 62, 45 and 32% total carbon removal by Fe<sup>2+</sup>/persulfate, Fe<sup>2+</sup>/peroxymonosulfate and Fe<sup>2+</sup>/H<sub>2</sub>O<sub>2</sub>, respectively, in 60 min. In addition, the degradation byproducts of diclofenac sodium were determined by FTIR analysis. The results revealed that the Fe<sup>2+</sup>/oxidant system, particularly Fe<sup>2+</sup>/persulfate, was a promising technology for the elimination of toxic pharmaceuticals, such as diclofenac sodium, from the water environment. |
| first_indexed | 2024-03-11T07:06:35Z |
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| issn | 2073-4441 |
| language | English |
| last_indexed | 2024-03-11T07:06:35Z |
| publishDate | 2023-02-01 |
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| series | Water |
| spelling | doaj.art-6dd1544cf8154e8da2cf627e6fafb9102023-11-17T08:54:22ZengMDPI AGWater2073-44412023-02-0115588510.3390/w15050885The Catalytic Degradation of the Inflammatory Drug Diclofenac Sodium in Water by Fe<sup>2+</sup>/Persulfate, Fe<sup>2+</sup>/Peroxymonosulfate and Fe<sup>2+</sup>/H<sub>2</sub>O<sub>2</sub> Processes: A Comparative AnalysisFaiza Rehman0Waqas Ahmad1Nazish Parveen2Syed Khuram Zakir3Sanaullah Khan4Changseok Han5Department of Chemistry, University of Poonch, Rawalakot 12350, PakistanDepartment of Chemistry, University of Poonch, Rawalakot 12350, PakistanDepartment of Chemistry, University of Poonch, Rawalakot 12350, PakistanDepartment of Chemistry, University of Poonch, Rawalakot 12350, PakistanDepartment of Chemistry, Women University Swabi, Swabi 23430, PakistanDepartment of Environmental Engineering, INHA University, Incheon 22212, Republic of KoreaDiclofenac sodium was extensively used for treating arthritis, osteoarthritis and skeletal muscular injuries, which ultimately caused troubles for aquatic organisms as well as human beings. In this study, homogeneous catalytic advanced oxidation processes, including Fe<sup>2+</sup>/persulfate, Fe<sup>2+</sup>/peroxymonosulfate and Fe<sup>2+</sup>/H<sub>2</sub>O<sub>2</sub>, were used for the degradation of diclofenac sodium in water, without using UV-C light. About 89, 82 and 54% DCF sodium was decomposed by Fe<sup>2+</sup>/persulfate, Fe<sup>2+</sup>/peroxymonosulfate and Fe<sup>2+</sup>/H<sub>2</sub>O<sub>2</sub>, respectively, in 60 min. The degradation of diclofenac sodium followed the <i>pseudo first-order</i> kinetics, in all cases. The degradation efficiency of diclofenac sodium was significantly affected in the presence of various anions, such as NO<sub>3</sub><sup>−</sup>, HCO<sub>3</sub><sup>−</sup> and SO<sub>4</sub><sup>2−</sup>. The mineralization studies revealed 62, 45 and 32% total carbon removal by Fe<sup>2+</sup>/persulfate, Fe<sup>2+</sup>/peroxymonosulfate and Fe<sup>2+</sup>/H<sub>2</sub>O<sub>2</sub>, respectively, in 60 min. In addition, the degradation byproducts of diclofenac sodium were determined by FTIR analysis. The results revealed that the Fe<sup>2+</sup>/oxidant system, particularly Fe<sup>2+</sup>/persulfate, was a promising technology for the elimination of toxic pharmaceuticals, such as diclofenac sodium, from the water environment.https://www.mdpi.com/2073-4441/15/5/885diclofenac sodiumhomogeneous catalysisadvanced oxidation processeswater treatment |
| spellingShingle | Faiza Rehman Waqas Ahmad Nazish Parveen Syed Khuram Zakir Sanaullah Khan Changseok Han The Catalytic Degradation of the Inflammatory Drug Diclofenac Sodium in Water by Fe<sup>2+</sup>/Persulfate, Fe<sup>2+</sup>/Peroxymonosulfate and Fe<sup>2+</sup>/H<sub>2</sub>O<sub>2</sub> Processes: A Comparative Analysis Water diclofenac sodium homogeneous catalysis advanced oxidation processes water treatment |
| title | The Catalytic Degradation of the Inflammatory Drug Diclofenac Sodium in Water by Fe<sup>2+</sup>/Persulfate, Fe<sup>2+</sup>/Peroxymonosulfate and Fe<sup>2+</sup>/H<sub>2</sub>O<sub>2</sub> Processes: A Comparative Analysis |
| title_full | The Catalytic Degradation of the Inflammatory Drug Diclofenac Sodium in Water by Fe<sup>2+</sup>/Persulfate, Fe<sup>2+</sup>/Peroxymonosulfate and Fe<sup>2+</sup>/H<sub>2</sub>O<sub>2</sub> Processes: A Comparative Analysis |
| title_fullStr | The Catalytic Degradation of the Inflammatory Drug Diclofenac Sodium in Water by Fe<sup>2+</sup>/Persulfate, Fe<sup>2+</sup>/Peroxymonosulfate and Fe<sup>2+</sup>/H<sub>2</sub>O<sub>2</sub> Processes: A Comparative Analysis |
| title_full_unstemmed | The Catalytic Degradation of the Inflammatory Drug Diclofenac Sodium in Water by Fe<sup>2+</sup>/Persulfate, Fe<sup>2+</sup>/Peroxymonosulfate and Fe<sup>2+</sup>/H<sub>2</sub>O<sub>2</sub> Processes: A Comparative Analysis |
| title_short | The Catalytic Degradation of the Inflammatory Drug Diclofenac Sodium in Water by Fe<sup>2+</sup>/Persulfate, Fe<sup>2+</sup>/Peroxymonosulfate and Fe<sup>2+</sup>/H<sub>2</sub>O<sub>2</sub> Processes: A Comparative Analysis |
| title_sort | catalytic degradation of the inflammatory drug diclofenac sodium in water by fe sup 2 sup persulfate fe sup 2 sup peroxymonosulfate and fe sup 2 sup h sub 2 sub o sub 2 sub processes a comparative analysis |
| topic | diclofenac sodium homogeneous catalysis advanced oxidation processes water treatment |
| url | https://www.mdpi.com/2073-4441/15/5/885 |
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