分段进水一体化工艺同步硝化反硝化脱氮影响因素研究_殷旭东

工业用水与废水INDUSTRIALWATER＆WASTEWATERVol．49No．6Dec.，2018殷旭东a，b，c，黄梅a，b，c，毛玉凤a，b，c，王儒珍a，b，c，张博雯a，郑雄开a（广东石油化工学院a.环境与生物工程学院；b.广东高校石油化工污染控制与资源化利用工程技术开发中心；c.广东省石油化工资源清洁利用工程技术研究中心，广东茂名525000）基金项目：广东省自然科学基金项目（2014A030307019）；广东高校石油化工污染控制与资源化利用工程技术开发中心和广东省石油化工资源清洁利用工程技术研究中心开放基金项目（201516B08，201516B09，201516B12）；广东省普通高校青年创新人才项目（2015KQNCX102）；茂名市科技计划立项项目（2014044，2014040）Researchoninfluencingfactorsofnitrogenremovalbysimultaneousnitrificationanddenitrificationwithstep-feedintegratedprocessYINXu-donga，b，c，HUANGMeia，b，c，MAOYu-fenga，b，c，WANGRu-zhena，b，c，ZHANGBo-wena，ZHENGXiong-kaia（a.CollegeofEnvironmentalandBiologicalEngineering;b.TechnologyandDevelopmentCenterforPetrochemicalPollutionControlandResourcesUtilizationofGuangdongUniversity;c.TechnologyResearchCenterforPetrochemicalResourcesCleanUtilizationofGuangdongProvince,GuangdongUniversityofPetrochemicalTechnology,Maoming525000,China）Abstract：Toinvestigatetheinfluencingfactorsandefficiencyofdenitrificationbystep-feedintergratedprocess,theeffectsofinfluentflowratio(anaerobicarea∶anoxicarea),DOconcentrationinaerobicarea,andHRT(influentflowratiooffixedanaerobicareaandanoxicareawas3∶1)onsimultaneousnitrificationanddenitrification(SND)werestudied.Meanwhile,thedenitrificationperformanceofthesaidprocesswassimulatedandanalyzedusingkineticmodel.Thetestresultsshowedthat,whentheinfluentflowratioofanaerobicaeraandanoxicareawas3∶1,theremovalrateoftotalnitrogenwasthehighest,theaverageremovalratewasabove86%;inaerobicarea,whenthemassconcentrationofDOwas2.0mg/L,theremovalrateoftotalnitrogenwasthehighest,theaverageremovalratewasabove85%.Keepinginfluentflowratioofanaerobicareaandanoxicareaat3∶1,whentheHRTwas12h,theremovalrateoftotalnitrogenreachedthehighest,andtheaverageremovalratewasabout86%.Thedenitrificationkineticswasstudied,thedenitrificationrateequationwasR=-1.87×10-3X,thetotalnitrogendegradationconstantwas1.87×10-3h-1.Keywords：step-feedintegratedprocess;SND;influencingfactors;denitrificationkinetics分段进水一体化工艺同步硝化反硝化脱氮影响因素研究摘要：以考察分段进水一体化工艺脱氮的影响因素