第37卷第5期2023年9月文章编号:1671-3559(2023)05-0559-06济南大学学报(自然科学版)JournalofUniversityofJinan(ScienceandTechnology)Vol.37No.5Sept.2023D0I:10.13349/j.cnki.jdxbn.20230327.001环丙沙星对短程硝化-厌氧氨氧化工艺脱氮效能的影响许会学1,薛晓东²,司光超,张馨文!,冯(1.济南大学水利与环境学院,山东济南250022;2.山东省环境保护科学研究设计院有限公司,山东济南250013)马锐,魏东1摘要:为了研究不同浓度的氟喹诺酮类抗生素环丙沙星对短程硝化-厌氧氨氧化工艺的脱氮效能的影响,采用连续流式反应器进行分阶段长期实验;采用紫外分光光度法、高效液相色谱法及三维荧光光谱法,对不同阶段反应器的脱氮效能、环丙沙星去除率及可溶性微生物产物荧光特性进行表征。结果表明:当环丙沙星的质量浓度为0.1mg/L时,反应器出水硝态氮的质量浓度由28.71mg/L增至44.28mg/L,一段时间后恢复稳定;反应器对环丙沙星的耐药性逐渐增强,恢复稳定期不断缩短;环丙沙星能够改变微生物物种丰富度和多样性以及各属的相对丰度。关键词:生物脱氮;短程硝化-厌氧氨氧化工艺;环丙沙星;微生物群落结构;毒性评价中图分类号:X523文献标志码:AEffectsofCiprofloxacinonOperationEfficiencyofPartialNitritation-AnammoxProcess开放科学识别码(OSID码):XUHuixue',XUEXiaodong”,SIGuangchao',ZHANGXinwen',FENGRui',WEIDong(1.SchoolofWaterConservancyandEnvironment,UniversityofJinan,Jinan250022,Shandong,China;2.ShandongAcademyofEnvironmentalScienceCo.,Ltd.,Jinan250013,Shandong,China)Abstract:Toinvestigateeffectsoffluoroquinoloneantibioticciprofloxacinwithdifferentconcentrationsonnitrogenremovalefficiencyofpartialnitrification-anammoxprocess,acontinuousflowreactorwasusedtocarryoutalong-termexperimentinstages.Nitrogenremovalefficiency,ciprofloxacinremovalrate,andfluorescencecharacteristicsofsolublemicrobialproductsindifferentstagesofthereactorwerecharacterizedbyusingultravioletspectrophotometry,highperformanceliquidchromatography,andthree-dimensionalfluorescencespectrometry.Theresultsshowthatwhenthemassconcentra-tionofciprofloxacinis0.1mg/L,themassconcentrationofnitratenitrogenineffluentwaterofthereactorincreasesfrom28.71mg/Lto44.28mg/L,andreturnstostabilityaf...