磺胺类抗生素及植物类型对生态浮床水质净化效果的影响

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中图分类号:X703 文献标志码:A 文章编号:1672-2043(2025)07-1813-12
doi:10.11654/jaes.2024-0707
Impacts of the sulfonamidesand plant types on purification performance of ecological floating beds
CAI Min1,²,CUI Naxin1,2.3*,PANG Si1,2 ,ZHANG Xu1,2 ,CHEN Guifat², ZHOU Li2 ,ZOU Guoyan1,2 (1.Eco-environtalroteonseachIsituteangicadeofgiclturaliene,ahai4a; EngineringResearch CenterofLow-carbonAgriculture(SERCLA),Shanghai2O1415,China;3.ShanghaiKeliteAgriculturalSience (Group)Co.,Ltd.,Shanghai ,China)
Abstract:ToelaborateteimpactsofantibioticsadplantoneologicalfloatigedsEFBs)canefectivelyontributetothescoos removalofnitrogospusdtbiotisinltedatebylatselectiodogatioInisdysingting bedwithoutplantsasacontrol,thepoularplantCyperusalerifusandtenwplantRueliabritonianaLeonardwerelectedto constructEFBsvegetatedwithsingleplantspeciesorcombinationofthetwoplantspecies.Asulfonamide-sulfamethoxazole(SMX) commonlyusedinquaculturewastewaterasddedintotesyteticastewatetoivestigatetepurifcationpeformanceofdieet
EFBsonpolutatsolueroticrssltsoedatthoalcsofoalrog,oal phosphorus(TP),and chemical oxygen demand(COD)were 48.1%-66.3% , 60.7%-88.2% , 49.1%-57.3% ,and 65.4%-72.8% , respectively,whentreating wastewaterwithoutSMX.WhileunderthestressofSMX,theremoval eficienciesofTN,NH Π4+ -N, TP,and COD were42.6%-55.1%,53.7%-68.5%,39.0%-42.3%and61.0%-71.0%,respectively.SMXdecreasedtheremovalratesofN,P,ndCOD. TheresultsoftoayAOVAanalysisindicatedthatantibioticsndplantspeciessignificantlyectedthepHdisoledoxge(DO) concentration and the removal eficiencies of TN,NH4-N and TP in the EFBs( P<0.05 ). The removal rate of SMX in different EFBs ranged from 60.4% to 92.2% ,andthe plantssignificantlyimproved theremoval rate of SMX( P<0.05 ).Plant combinations have potential advantagesontheremovalofN,,COD,andSMX.PlantspeiesandSMXsignificantlyfectedteabundanceof thefunctioalgenes related to Nand P removal in water( P <0.05),which finally influenced the purification performance of EFBs.In summary,antibiotics are animportantfactoigteaterpurfiatiopfoaneofs,ndeschoosoalfcofN,Pndotiin poluted watercanbe efectivelyenhanced byoptimizing the EFBs structure through plant selectionandconfiguration.
在我国工农业快速发展的进程中,氮、磷等污染物的过量排放加剧了水体污染与富营养化,已成为我国重要的水环境问题。(剩余17597字)