دورية أكاديمية
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Sulfaquinoxaline Oxidation and Toxicity Reduction by Photo-Fenton Process.

التفاصيل البيبلوغرافية
العنوان: Sulfaquinoxaline Oxidation and Toxicity Reduction by Photo-Fenton Process.
المؤلفون: Urbano VR; Chemical Engineering Department, Universitat Politècnica de Catalunya, Escola d'Enginyeria de Barcelona Est (EEBE), Av. Eduard Maristany, 16, 08019 Barcelona, Spain.; School of Civil Engineering, Architecture and Urban Design, FEC, University of Campinas, Unicamp, P.O. Box 6143, Campinas 13083-889, Brazil., Maniero MG; School of Civil Engineering, Architecture and Urban Design, FEC, University of Campinas, Unicamp, P.O. Box 6143, Campinas 13083-889, Brazil., Guimarães JR; School of Civil Engineering, Architecture and Urban Design, FEC, University of Campinas, Unicamp, P.O. Box 6143, Campinas 13083-889, Brazil., Del Valle LJ; Chemical Engineering Department, Universitat Politècnica de Catalunya, Escola d'Enginyeria de Barcelona Est (EEBE), Av. Eduard Maristany, 16, 08019 Barcelona, Spain.; Barcelona Research Center for Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Escola d'Enginyeria de Barcelona Est (EEBE), 08019 Barcelona, Spain., Pérez-Moya M; Chemical Engineering Department, Universitat Politècnica de Catalunya, Escola d'Enginyeria de Barcelona Est (EEBE), Av. Eduard Maristany, 16, 08019 Barcelona, Spain.
المصدر: International journal of environmental research and public health [Int J Environ Res Public Health] 2021 Jan 23; Vol. 18 (3). Date of Electronic Publication: 2021 Jan 23.
نوع المنشور: Journal Article; Research Support, Non-U.S. Gov't
اللغة: English
بيانات الدورية: Publisher: MDPI Country of Publication: Switzerland NLM ID: 101238455 Publication Model: Electronic Cited Medium: Internet ISSN: 1660-4601 (Electronic) Linking ISSN: 16604601 NLM ISO Abbreviation: Int J Environ Res Public Health Subsets: MEDLINE
أسماء مطبوعة: Original Publication: Basel : MDPI, c2004-
مواضيع طبية MeSH: Sulfaquinoxaline* , Water Pollutants, Chemical*/analysis, Hydrogen Peroxide ; Hydrogen-Ion Concentration ; Oxidation-Reduction
مستخلص: Sulfaquinoxaline (SQX) has been detected in environmental water samples, where its side effects are still unknown. To the best of our knowledge, its oxidation by Fenton and photo-Fenton processes has not been previously reported. In this study, SQX oxidation, mineralization, and toxicity ( Escherichia coli and Staphylococcus aureus bacteria) were evaluated at two different setups: laboratory bench (2 L) and pilot plant (15 L). The experimental design was used to assess the influence of the presence or absence of radiation source, as well as different H 2 O 2 concentrations (94.1 to 261.9 mg L -1 ). The experimental conditions of both setups were: SQX = 25 mg L -1 , Fe(II) = 10 mg L -1 , pH 2.8 ± 0.1. Fenton and photo-Fenton were suitable for SQX oxidation and experiments resulted in higher SQX mineralization than reported in the literature. For both setups, the best process was the photo-Fenton (178.0 mg L -1 H 2 O 2 ), for which over 90% of SQX was removed, over 50% mineralization, and bacterial growth inhibition less than 13%. In both set-ups, the presence or absence of radiation was equally important for sulfaquinoxaline oxidation; however, the degradation rates at the pilot plant were between two to four times higher than the obtained at the laboratory bench.
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فهرسة مساهمة: Keywords: advanced oxidation process; emerging contaminants; experimental design; mineralization; oxidations; photo-Fenton; sulfaquinoxaline; toxicity
المشرفين على المادة: 0 (Water Pollutants, Chemical)
BBX060AN9V (Hydrogen Peroxide)
WNW8115TM9 (Sulfaquinoxaline)
تواريخ الأحداث: Date Created: 20210127 Date Completed: 20210423 Latest Revision: 20240331
رمز التحديث: 20240331
مُعرف محوري في PubMed: PMC7908259
DOI: 10.3390/ijerph18031005
PMID: 33498745
قاعدة البيانات: MEDLINE
الوصف
تدمد:1660-4601
DOI:10.3390/ijerph18031005