四环素在苏打盐碱湿地土壤中的吸附解吸特性

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中图分类号:X144 文献标志码:A 文章编号:1672-2043(2025)10-2571-08 doi:10.11654/jaes.2024-0954

Abstract:Tvesatesoptsotoraceristsfalaliwdil,tptedegdedali wetlandsoiledtysldaailtyeslsehetddotdaticdstonteodtxploetetin anddesorptioncaracteristisofodalkaliwtandsoilTesutssoedattefinaladsotiocapacityoftetraclininte sodatic-alkaline wetlands with different salinization was in the order of cattil type(490.9 mg·kg-1 )>reed type(486.7 mg·kg-1 ) >degraded type (471.9mg⋅kg-1 ).Theadsorption kinetics accordswith Elovich equation ( R2 =0.929-0.94O),indicating that the adsorption of tetracyclineisodaliwtndsoilitergeousdiusiondsotionndedsotionprocssaybeeeniis reaction process controled by multiple actions.The isothermal adsorption process conforms to theFreundlich equation( R2 =0.910-0.995), indicatingthatheterogeneousultlaeradsortinisteeymchanismaetingthadsoptionehaviooftetracylieinsodalkali wetlandoil.eesotioncostatofetrlieisodlalietandoilassigificantlyighrantedsoptioostatd therewasanobvioushsterescencephenomenoninthedesoptionprocess.Theaveragehsteresencecoeficientoftetreesodalkali wetlandswasdgradedtye>edtype>catailtypedicatigtattetracyineatightlyoundanddiulttodesoptiindded soda-akaliwndilileitaasisttosotinatailtysil.oilpicaldcalpropetavets tetracclinedotacteissdtesisftdsotioaeisolldilatio demonstrated the potential cumulative risk and harm of tetracycline indifferent soda-alkali wetland soils. Keywords:soda-alkali wetlandsoil; tetracycline;adsorption; desorption; hysteresis coeffcient

随着畜禽养殖业与农业的迅猛发展,抗生素被大量使用,其中四环素类抗生素(Tetracycline,TCs)已成为农田土壤中残留量和检出率最高的抗生素之一。(剩余16317字)

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