选择的抗生素对活性污泥呼吸活性的影响

IF 0.9 Q4 CHEMISTRY, MULTIDISCIPLINARY
Dóra Varjúová, Petra Szabová, I. Bodík
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引用次数: 0

摘要

摘要本研究的主要课题是确定所选抗生素对污水污泥微生物呼吸学活性的影响。在实际工作中,对废水处理厂的活性污泥进行了几次呼吸测量,同时监测了三种选定的抗生素——磺胺甲恶唑、磺胺吡啶和环丙沙星对污泥活性的影响。这项工作的目的是指出所有监测化合物对污泥活性的抑制作用,并量化抑制作用。对于磺胺甲恶唑(浓度范围为0.142 ~ 1.42 mg·L−1),测定的抑制作用范围为9.67 ~ 27.7%,这取决于测试物质的浓度和呼吸测量的类型。对于磺胺吡啶,在0.134 ~ 1.34 mg·L−1的浓度范围内,抑制率为1.13% ~ 31.9%。环丙沙星对活性污泥微生物的抑制作用范围为4.55% ~ 28.8% (CPX浓度为0.104 ~ 1.04 mg·L−1)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Influence of selected antibiotics on respirometric activity of activated sludge
Abstract The main topic of this study is to determine the effect of selected antibiotics on the respirometric activity of sewage sludge microorganisms. Within the practical part of the work, several respirometric measurements were performed with activated sludge from a wastewater treatment plant, while the influence of three selected antibiotics — sulfamethoxazole, sulfapyridine, and ciprofloxacin, on sludge activity was monitored. The aim of the work was to point out the inhibitory effect of all monitored compounds on sludge activity and to quantify the inhibitory effect. For sulfamethoxazole (in the concentration range of 0.142—1.42 mg·L−1), the determined inhibition was in the range of 9.67—27.7 %, depending on the concentration of the test substance and the type of respirometric measurements. For sulfapyridine, inhibition values ranged from 1.13 % to 31.9 % for the concentration range from 0.134 to 1.34 mg·L−1. Ciprofloxacin inhibited the activity of activated sludge microorganisms in the range of 4.55 % to 28.8 % (at CPX concentrations from 0.104 to 1.04 mg·L−1).
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来源期刊
Acta Chimica Slovaca
Acta Chimica Slovaca CHEMISTRY, MULTIDISCIPLINARY-
自引率
12.50%
发文量
11
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