Advanced Photocatalytic Degradation of Cytarabine from Pharmaceutical Wastewaters
Alexandra Berbentea,
Mihaela Ciopec,
Narcis Duteanu,
Adina Negrea,
Petru Negrea,
Nicoleta Sorina Nemeş,
Bogdan Pascu,
Paula Svera (m. Ianasi),
Cătălin Ianăşi,
Daniel Marius Duda Seiman,
Delia Muntean,
Estera Boeriu
Affiliations
Alexandra Berbentea
Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University Timişoara, Victoriei Square, no. 2, 300006 Timisoara, Romania
Mihaela Ciopec
Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University Timişoara, Victoriei Square, no. 2, 300006 Timisoara, Romania
Narcis Duteanu
Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University Timişoara, Victoriei Square, no. 2, 300006 Timisoara, Romania
Adina Negrea
Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University Timişoara, Victoriei Square, no. 2, 300006 Timisoara, Romania
Petru Negrea
Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University Timişoara, Victoriei Square, no. 2, 300006 Timisoara, Romania
Nicoleta Sorina Nemeş
Research Institute for Renewable Energies—ICER, Politehnica University Timisoara, Gavril Musicescu Street, no. 138, 300774 Timisoara, Romania
Bogdan Pascu
Research Institute for Renewable Energies—ICER, Politehnica University Timisoara, Gavril Musicescu Street, no. 138, 300774 Timisoara, Romania
Paula Svera (m. Ianasi)
National Institute for Research and Development in Electrochemistry and Condensed Matter, 144th Dr. A. P. Podeanu Street, 300569 Timisoara, Romania
Cătălin Ianăşi
Coriolan Drăgulescu’ Institute of Chemistry, Bv. Mihai Viteazul, No. 24, 300223 Timisoara, Romania
Daniel Marius Duda Seiman
Department of Cardiology, Victor Babes University of Medicine and Pharmacy Timisoara, 2 Piata Eftimie Murgu, 300041 Timisoara, Romania
Delia Muntean
Multidisciplinary Research Centre on Antimicrobial Resistance, Department of Microbiology, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania
Estera Boeriu
Department of Pediatrics, Victor Babes University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square 2, 300041 Timisoara, Romania
The need to develop advanced wastewater treatment techniques and their use has become a priority, the main goal being the efficient removal of pollutants, especially those of organic origin. This study presents the photo-degradation of a pharmaceutical wastewater containing Kabi cytarabine, using ultraviolet (UV) radiation, and a synthesized catalyst, a composite based on bismuth and iron oxides (BFO). The size of the bandgap was determined by UV spectroscopy, having a value of 2.27 eV. The specific surface was determined using the BET method, having a value of 0.7 m2 g−1. The material studied for the photo-degradation of cytarabine presents a remarkable photo-degradation efficiency of 97.9% for an initial concentration 0f 10 mg/L cytarabine Kabi when 0.15 g of material was used, during 120 min of interaction with UV radiation at 3 cm from the irradiation source. The material withstands five photo-degradation cycles with good results. At the same time, through this study, it was possible to establish that pyrimidine derivatives could be able to combat infections caused by Escherichia coli and Candida parapsilosis.
