广东化工2023年第4期·176·www.gdchem.com第50卷总第486期UASB、SBR反应器的启动及其耐盐驯化陈涛(合肥工业大学资源与环境工程学院，安徽合肥230009)[摘要]本研究基于高盐废水处理的需要对UASB、SBR反应器进行耐盐驯化，通过对反应器运行参数的优化，考察出水pH、污染物浓度等随着盐度提升的变化情况，并依据这些出水指标评判反应器的运行情况。结果显示UASB反应器在目标Cl-浓度为12g/L的情况下，COD去除率可稳定在87%以上，出水pH可稳定在7.8左右。SBR反应器经过耐盐驯化可在目标Cl-浓度为12g/L的情况下，获得MLSS为4400mg/L、SVI为54.2的耐盐好氧污泥，反应器对COD去除率可稳定在77%以上。本文的反应器驯化过程为高盐废水的处理技术提供了理论基础和实验依据。[关键词]UASB；SBR；高盐废水；活性污泥；耐盐菌[中图分类号]X703[文献标识码]A[文章编号]1007-1865(2023)04-0176-04Start-upofUASBandSBRReactorsandtheirSaltToleranceAcclimationChenTao(SchoolofResourcesandEnvironmentalEngineering,HefeiUniversityofTechnology,Hefei230009,China)Abstract:Inthisstudy,salttoleranceacclimationofUASBandSBRreactorswascarriedoutbasedontheneedsofhigh-saltwastewatertreatment.Byoptimizingtheoperationparametersofthereactors,thechangesofeffluentpHandpollutantconcentrationwereinvestigatedwiththeincreaseofsalinity,andtheoperationofthereactorswasevaluatedaccordingtotheseeffluentindicators.TheresultsshowthatundertheconditionofthetargetCl-concentrationof12g/LinUASBreactor,theCODremovalratecanbestabilizedabove87%,andtheeffluentpHcanbestabilizedatabout7.8.Aftersalttoleranceacclimation,SBRreactorcanobtainsalt-tolerantaerobicsludgewithMLSSof4400mg/LandSVIof54.2undertheconditionoftargetCl-concentrationof12g/L,andtheCODremovalrateofthereactorcanbestabilizedabove77%.Theprocessofreactoracclimationinthispaperprovidestheoreticalandexperimentalbasisforthetreatmentofhighsaltwastewater.Keywords:UASB；SBR；highsaltwastewater；activatedsludge；salt-tolerantbacteria我国工业水平发展势头迅猛，高盐废水作为常见的废水之一具有高盐化、成分复杂化的趋势，这会给生态环境带来越来越大的压力。常见的污染现象包括有机物浓度较高，排放量大，进入江河湖泊等水体中会破坏生态系统平衡，造成水...
