改进A_2N工艺深度脱氮特性研究_刘莹
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2020-01-12 00:04:05
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StudyonAdvancedNitrogenRemovalinModified-A2NProcessLiuYing1，，PengYongzhen2，，WangShuying，，WangXimingBeijingKeyLaboratoryofWaterQualityScienceandWaterEnvironmentRecoveryEngineeringBeijingUniversityofTechnology,Beijing,100124China1Email:ly_bjut@yahoo.com.cn，2Email:pyz@bjut.edu.cnAbstract—Toimprovetheinherentdesignshortcomingsofthetraditionalanaerobic/anoxic/nitrification(A2N)process,amodifiedA2Nprocesswasproposed.ThemodifiedA2NprocesswasusedtotreatrealmunicipalwastewatertoevaluatethenutrogenremovalintraditionalandmodifiedprocessandtheeffectofaerationrateinhybridbiofilmreactoronthemodifiedA2Nprocesswasinvestigated.TheresultshowedthattheTNremovalefficiencywas81.9%intraditionalprocess.Thesatisfiednutrientremovalperformancewasachievedwhenthemodifiedprocesswasappliedwithbiggeraerationrate(0.1m3·h-1)inhybridbioflimreactor.Theammoniaremovalefficiencyincreasedtonearly100%andtheTNremovalefficiencyincreasedto91.3%.Thesimultaneousnitrificationanddenitrification(SND)ismaxmiumcontributiontothebetterT
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