2019冠状病毒病大流行期间污水处理厂氨苄西林和青霉素G抗生素的测量:以伊斯法罕为例

IF 1.3 Q4 ENVIRONMENTAL SCIENCES Environmental Health Engineering and Management Journal Pub Date : 2022-08-15 DOI:10.34172/ehem.2022.21
Mehri Samandari, H. Movahedian Attar, K. Ebrahimpour, F. Mohammadi, Soudabeh Ghodsi
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引用次数: 1

摘要

背景:近年来,全球面临COVID-19大流行,随后抗生素的使用大幅增加,以控制COVID-19和其他继发性感染。抗生素及其在环境中的残留物的不可生物降解特性导致微生物和药物耐药性增加。因此,鉴于抗生素的重要性,我们对伊斯法罕城市污水处理厂(WWTPs)的氨苄西林和青霉素G两种抗生素进行了研究。方法:采用高效液相色谱-紫外检测器(HPLC/UV)测定抗生素含量,采样时间为2个月,共13个采样周期。结果:两家污水处理厂的样品均检出氨苄西林和青霉素G。污水处理厂E、S入、出水中青霉素G的平均浓度和去除率分别为1050.54±761.43µG /L、52.89±49.27µG /L、89.80±19.42%、2055.12±1788.08µG /L、143.01±162.59µG /L和82.76±21.85%。出水氨苄西林平均浓度分别为(796.44±809.6)和(447.1±322.39)µg/L,出水氨苄西林平均浓度分别为(48.94±24.25)和(90.31±75.91)µg/L,去除率分别为(86.22±19.84%)和(66.85±24.88%)。结论:与以往的研究相比,两个研究的污水处理厂在COVID-19大流行期间抗生素浓度较高。统计分析显示,污水处理剂中抗生素的浓度与污水处理剂中抗生素的浓度无显著相关(P<0.05)。此外,统计结果表明,抗生素的去除率与废水主要参数的去除率之间的相关性不显著。
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Measurement of ampicillin and penicillin G antibiotics in wastewater treatment plants during the COVID-19 pandemic: A case study in Isfahan
Background: In recent years, the world has faced with the COVID-19 pandemic, followed by a significant increase in the use of antibiotics to control the COVID-19 and other secondary infections. The nonbiodegradable characteristics of antibiotics and their residues in the environment leads to increased microbial and drug resistance. Therefore, due to the high importance of antibiotics, two antibiotics, ampicillin and penicillin G, were studied in Isfahan municipal wastewater treatment plants (WWTPs). Methods: Sampling was performed for two months during 13 sampling periods and antibiotics were measured using high-performance liquid chromatography with UV detector (HPLC/UV) instrument. Results: Ampicillin and penicillin G were identified in all samples taken from the both WWTPs. The average concentration of penicillin G in WWTP E and S at the influent, effluent and its removal efficiency were 1050.54±761.43 µg/L, 52.89±49.27 µg/L, 89.80±19.42%, 2055.12±1788.08 µg/L, 143.01±162.59 µg/L and 82.76±21.85%, respectively. Also, the average concentration of ampicillin in WWTP E and S in the influent (796.44±809.6 and 447.1±322.39 µg/L), effluent (48.94±24.25 and 90.31±75.91 µg/L), and its removal efficiency (86.22±19.84% and 66.85±24.88%) were determined. Conclusion: In two studied WWTPs, the concentration of antibiotics was higher during the COVID-19 pandemic in comparison with previous studies. The statistical analysis showed that there was no significant relationship between the concentration of antibiotics in WWTPs (P<0.05). Also, the statistical results indicated that the correlation is not significant between removal efficiency of antibiotics and removal efficiency of wastewater main parameters.
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来源期刊
CiteScore
2.40
自引率
37.50%
发文量
17
审稿时长
12 weeks
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