盐度负荷冲击对晚期垃圾渗滤液自养脱氮的影响

工业用水与废水陨晕阅哉杂栽砸陨粤蕴宰粤栽耘砸驭宰粤杂栽耘宰粤栽耘砸灾燥造援49晕燥援3Jun.袁20员8刘甜甜员袁圆袁猿袁源袁杨培缘袁刘牡员袁圆袁猿袁源袁史彦伟员袁圆袁猿袁源袁任钦毅员袁圆袁猿袁源渊员援北控水务渊中国冤投资有限公司袁北京员园园员园圆曰圆援北京北华清创环境科技有限公司袁北京员园园员园圆曰猿援北京市再生水水质安全保障工程技术研究中心袁北京员园园员园圆曰源援城镇污水深度处理与资源化利用技术国家工程实验室袁北京员园园员园圆曰缘援北京环境工程技术有限公司袁北京员园园员园圆冤基金项目院国家重点研发计划课题渊2016YFC0401103冤曰北京市优秀人才培养资助项目渊2017754154700G106冤晚期垃圾渗滤液氨氮渊晕匀猿原晕冤含量非常高袁而有机物含量相对很低袁其中悦韵阅与氮的比例甚至摘要院采用短程硝化与厌氧氨氧化组合的自养脱氮系统处理实际晚期垃圾渗滤液袁重点考察了盐度对该系统的综合影响遥结果表明袁系统在盐度为员园耀圆园早辕蕴范围内具有较强的抗盐度冲击能力袁当盐度升高至猿缘早辕蕴时袁晕匀3原晕和栽晕去除率分别下降到愿源援猿豫和苑苑援苑豫袁而悦韵阅的去除率依然能够维持在远猿援园豫遥与阅韵相比采用责匀值为模糊控制参数具有更高的抗盐度负荷冲击能力遥由于盐度与游离氨的同步选择性抑制作用袁亚硝酸盐积累率呈小幅度提升遥定量聚合酶链式反应检测分析表明袁较高盐度使得厌氧氨氧化菌群的绝对量和所占的比例均出现了显著下降袁高盐度条件下反硝化菌更具竞争优势遥关键词院盐度负荷冲击曰晚期垃圾渗滤液曰自养脱氮曰模糊控制曰菌群结构中图分类号院载苑03.1文献标志码院粤文章编号院摇员园园怨原圆源缘缘渊圆园员8冤园3原园园12原园5InfluenceofsalinityloadimpactonautotrophicnitrogenremovalfrommaturelandfillleachateLIUTian-tian员袁圆袁猿袁源袁YANGPei5袁LIUMu员袁圆袁猿袁源袁SHIYan-wei员袁圆袁猿袁源袁RENQing-yi员袁圆袁猿袁源渊1.BeijingEnterprisesWaterGroup渊悦澡蚤灶葬冤InvestmentLimited,Beijing100102,China曰2.BeijingBeihuaqingchuangEnvironmentalScienceandTechnologyCo.,Ltd.,Beijing100102,China;3.BeijingEngineeringResearchCenterofReclaimedWaterSecurityGuarantee,Beijing100102,China;4.NationalEngineeringLaboratoryforAdvancedMunicipalWastewaterTreatmentandReuseTechnology,Beijing100102,China;5.BeijingEnvironmentalEngineeringTechnologyCo.,Ltd.,Beijing100102,China冤Abstract院Usingautotrophicnitrogenremovalsystemwithshort-cutnitrificationandanaerobicammoniaoxidationcombinedprocesstotreatmaturelandfillleachate,theinfluenceofsalinityonthesaidsystemoperationwasemphaticallyinvestigated.Theresultsshowedthat,thesystemwithasalinityscopeof10-20g/Lhadastrongabilitytoresistsalinity,whenthesalinityincreasedto35g/L,theremovalratesofNH3-NandTNdecreasedto84.3%and77.7%respectively,andtheremovalrateofCODstillremainedat63.0%.ComparedtoDO,thepHvaluewasbetterasthefuzzycontrolparameter,whichhadhighersalinityloadresistancecapacity.Duetothesimultaneousselectiveinhibitionofsalinityandfreeammonia,theaccumulationrateofnitritewasslightlyincreased.QuantitativePCRanalysisshow