二级MBBR处理城市污水高品质水省略生的反渗透浓水填料最佳填充率研究程子芮

Vol．7No．3May2017JournalofEnvironmentalEngineeringTechnology7320175．MBBＲJ．201773285-292．CHENGZＲJIANGYCWANGHYetal．Studyoncarrieroptimumfillingratiooftwo-stageMBBＲfortreatmentofreverseosmosisconcentratefromhigh-qualitywaterreclamationofWWTPeffluentJ．JournalofEnvironmentalEngineeringTechnology201773285-292．2017-01-152014ZX07216-0011990—[e-mail]*1976—[e-mail]1，2，3，1，2，3*，4，2，3，2，3，1，2，3，2，3，51．7300002．1000123．1000124．2550315．730050NH+4-N、-MBBＲfillingratioFＲ51%、42%32%MBBＲNH+4-N、NO－3-NCODCr。MBBＲFＲ51%、42%32%NH+4-N67.0%±4.0%、71.3%±8.9%73.2%±6.1%FＲ32%MBBＲFＲ51%、42%32%NO－3-N73.1%±4.2%、63.7%±9.4%64.9%±10.4%。FＲ32%。MBBＲMBBＲX7031674-991X201703-0285-08doi10.3969j．issn．1674-991X．2017.03.041Studyoncarrieroptimumfillingratiooftwo-stageMBBＲfortreatmentofreverseosmosisconcentratefromhigh-qualitywaterreclamationofWWTPeffluentCHENGZirui123JIANGYunchao1WANGHaiyan23LIPeixian4HANGQianyu23LILi23YANGYanyan123ZHONGZhen2351．CollegeofEarthEnvironmentalSciencesLanzhouUniversityLanzhou730000China2．StateKeyLaboratoryofEnvironmentalCriteriaandＲiskAssessmentChineseＲesearchAcademyofEnvironmentalSciencesBeijing100012China3．ＲesearchCenterforWaterPollutionControlTechnologyChineseＲesearchAcademyofEnvironmentalSciencesBeijing100012China4．ShandongIndustrialCeramicsＲesearch＆DesigninstituteCo．LtdZibo255031China5．LanzhouUniversityofTechnologyLanzhou730050ChinaAbstractApilotnitrosation-denitrificationtwo-stagemovingbedbio-filmreactorMBBＲwasdevelopedfortheadvancednitrogenremovalofhighNH+4-Nandsalinityreverseosmosisconcentratewhichwasproducedfromthehigh-qualitywaterreclamationofwastewatertreatmentplantWWTPeffluent．TheremovaleffectofNH+4-N7NO－3-NCODCrandotherpollutantswascomparedundercarrierfillingratioFＲof51%42%and32%respectively．TheresultsshowedthattheaverageNH+4-Nremovalratewas67．0%±4．0%71．3%±8．9%and73．2%±6．1%whentheFＲwas51%42%and32%inthenitrosationMBBＲandtheoptimalFＲwas32%．InthedenitrificationMBBＲtheaverageNO－3-Nremovalratewas73．1%±4．2%63．7%±9．4%and64．9%±10．4%whentheFＲwas51%42%and32%respectively．Takingaccountofeconomicalavailability32%wasselectedastheoptimumFＲ．Keywordshigh-qualitywaterreclamationofWWTPeffluentreverseosmosisconcentratenitrosationMBBＲdenitrificationMBBＲcarrieroptimumfilingratiomovingbedbiofilmreactorMBBＲ20901-23-4、、、56-7、8MBBＲ57。fillingratioFＲMBBＲ、。MBBＲ。FＲ。FＲMBBＲFＲ30%～50%。MBBＲ9FＲ13.3%、26.7%40.0%FＲ40.0%85%。AO-MBBＲ10CODCrMBBＲFＲFＲ55%92.4%FＲCODCr。MBBＲFＲ20%、30%、40%50%30%11。12-13DFＲO14NH+4-N、NO－3-NNH+4-NNO－3-N。MBBＲ、1-4。NH+4-N、NO－3-NMBBＲ、-MBBＲMBBＲFＲNH+4-NMBBＲFＲMBBＲFＲNO－3-NMBBＲFＲ。11.1MBBＲMBBＲMBBＲ23。MBBＲ1.5m×1.15m×1.0m1.8m3T10101MBBＲ1.5m×1.8m×1.0m2.7m32MBBＲ2BJ-350。2MBBＲ1。MBBＲPE1。·682·3MBBＲ1MBBＲFig．1Two-stageMBBＲprocessflowchart1Table1ParametersofcarriersmmgLm2m3m3PE25×120.95～0.9976.650019001.2MBBＲHＲT8hMLSS3500mgLpH7．37～8．12MBBＲHＲT12hMLSS3500mgLpH7．16～7．79。MBBＲDO1.0mgLPEFＲ51%、42%32%3。MBBＲA2OMLSS7351mgLMLVSS3561mgLMLVSSMLSS0.48SVI89mLgMBBＲA2OMLSS6707mgLMLVSS3534mgLMLVSSMLSS0.53SVI92mLg。1.3DFＲONH4ClNH+4-NMBBＲ50mgL2。2Table2InfluentcharacteristicsFＲ%dCODCrmgL‰TNmgLNH+4-NmgLNO－3-NmgLNO－2-NmgLMBBＲ51120～13359．9±10．40．60±0．0521．6±1．09．4±0．911．0±1．01．3±0．142134～15053．4±8．40．60±0．0621．9±0．79．5±0．410．8±0．51．5±0．132151～16659．6±6．20．61±0．0419．6±0．68．7±0．39．6±0．61．3±0．2MBBＲ51120～13372．9±19．90．60±0．059．5±1．03．1±0．43．7±0．71．0±0．242134～15069．7±14．50．60±0．069．5±1．42．8±0．93．9±0．91．1±0．132151～16686．3±22．20．61±0．057．8±1．22．3±0．62．8±0．81．1±0．21.4MBBＲ2～3d1CODCrNH+4-NTNNO－3-NNO－2-NN-1--15。22.1NH+4-NMBBＲNH+4-NFＲMBBＲ2。2FＲ51%、42%32%NH+4-N67.0%±4.0%、71.3%±8.9%73.2%±6.1%FＲNH+4-NMBBＲDO1.0mgLNH+4-NNO－2-N16。FＲ32%NH+4-N42%51%AOMBBＲFＲ30%～50%17。MBBＲFＲ51%、42%·782·72MBBＲFＲNH+4-NFig．2NH+4-NremovalrateofnitrosationMBBＲatdifferentFＲ32%NH+4-N14.9%±13.1%、7.4%±4.7%9.1%±5.2%3MBBＲNH+4-NMBBＲMBBＲNH+4-NNO－2-N16NO－2-NMBBＲNH+4-NMBBＲNH+4+NO－2→N2+2H2O18。3MBBＲFＲNH+4-NFig．3NH+4-NremovalrateofdenitrificationMBBＲatdifferentFＲ2.2NO－2-NMBBＲFＲ51%、42%32%MBBＲNO－2-N4DO1.0mgL16。4MBBＲNO－2-N1.5±0.6、1.3±0.41.4±0.2mgL3FＲNO－2-N。4MBBＲNO－2-NFig．4NO－2-NaccumulationofnitrosationMBBＲMBBＲFＲ51%、42%32%MBBＲNO－2-N61.4%±11.7%、58.3%±8.9%58.2%±9.1%FＲNO－2-N5。5MBBＲFＲNO－2-NFig．5NO－2-NremovalrateofdenitrificationMBBＲatdifferentFＲ2.3NO－3-NMBBＲFＲ51%、42%32%MBBＲNO－3-N66.8%±4.9%、63.9%±8.6%71.1%±7.5%。FＲ32%NO－3-NFＲ42%51%6。MBBＲDO·882·3MBBＲ16NO－3-NNO－3-NMBBＲ4min2minDO、19NO－3-NNO－3-NMBBＲ192min2min。6MBBＲFＲNO－3-NFig．6NO－3-NremovalrateofnitrosationMBBＲatdifferentFＲ7MBBＲFＲNO－3-NFig．7NO－3-NremovalrateofdenitrificationMBBＲatdifferentFＲMBBＲ611FＲ51%、42%32%MBBＲNO－3-N73.1%±4.2%、63.7%±9.4%64.9%±10.4%7。FＲ51%NO－3-NFＲ42%32%。FＲ42%32%NO－3-NMBBＲFＲ32%30%11。20MBBＲNO－3-N2.2～12.4mgLNO－3-N74.7%。2.4TNMBBＲFＲ51%、42%32%TN56.1%±4.8%、56.8%±6.2%60.1%±5.3%8。MBBＲ21TN35.41mgLDO2、3、45mgLTN44.7%、60.49%、73.43%56.05%DO1.0mgLTN。3FＲTNFＲ32%42%51%。8MBBＲFＲTNFig．8TNremovalrateofnitrosationMBBＲatdifferentFＲ9MBBＲFＲTNFig．9TNremovalrateofdenitrificationMBBＲatdifferentFＲMBBＲFＲ51%、42%32%MBBＲTN48.8%±7.2%、47.2%±6.4%44.2%±8.4%·982·79。MBBＲTN46.9%20TN。3FＲTNFＲ51%FＲ42%32%。MBBＲFＲ51%、42%32%TN77.7%±3.3%、77.2%±5.6%78.6%±4.5%。FＲMBBＲT