MBBR悬浮填料低温处理生活污水对比实验研究任彦强

313河北工业科技Vol．31No．320145HebeiJournalofIndustrialScienceandTechnologyMay20141008-1534201403-0215-05MBBＲ1221(1．桑德集团有限公司，北京101102;2．北京伊普国际水务有限公司，北京101102)悬浮填料是MBBＲ工艺处理污水的核心技术，也是填料性能工艺效果和工程成本的关键因素。采用自主研发的高亲水、低成本高分子合金材料，制备成蜂窝状悬浮填料，并与国内具有代表性的3种悬浮填料进行了性能对比实验研究。实验结果表明，MBBＲ工艺条件下，使用自制悬浮填料其亲水性、挂膜启动时间以及低温COD、氨氮降解效果具有优势;30%(体积分数)填充率的条件下，低温氨氮去除率达99%(质量分数)，出水氨氮小于1mg/L(质量浓度)。悬浮填料;高分子合金材料;生物膜;生活污水处理X52Adoi10．7535/hbgykj．2014yx03006ComparativeresearchonMBBＲsuspendedcarriersforthemunicipalsewagetreatmentatlowtemperatureＲENYanqiang1ZHAOXuelian2LIZonghui2XINGChengliang11．SoundGroupLimitedCompanyBeijing101102China2．BeijingEpureInternationalWaterLimitedCompanyBeijing101102ChinaAbstractSuspendedcarrieristhecoretechnologyofMBBＲforwastewatertreatmentandthepropertyofthecarrieristhekeyfac-torthatinfluencestechnologicaleffectandengineeringcost．Honeycombsuspendedcarrierispreparedbyusingself-developedhighhy-drophiliclowcostpolymeralloyandthepropertyiscomparedwiththoseofthreetipicaldomesticsuspendedcarrier．TheresultshowsthatbyusingMBBＲprocessthehydrophilicityofself-madesuspendedcarrierthefilm-attachedtimeandtheremovalrateofCODandammonianitrogenatlowtemperatureperformbetter．Whenthefillingrateconditionisat30%volunefractiontheammoniani-trogenremovalratereaches99%massfractionatlowtemperatureandthecontentofammonianitrogenleftinyieldingwaterisbe-low1mg/Lmassconcentration．Keywordssuspendedcarrierpolymeralloymaterialbiofilmmunicipalsewagetreatment2013-09-282013-12-02Z1111000589110022012ZX073180011970-。[e-mail]Ｒsuspendedcarriersforthemunicipalsewagetreatmentatlowtem-peratureJ．HebeiJournalofIndustrialScienceandTechnology2014313215-219．movingbedbiofilmreactorMBBＲ20801-3。MBBＲ、、4-5。、《》GB18918—2002A6-7。MBBＲ、、。MBBＲ———25mm、10mm、0．98g/mL、。3、。11．130cm×30cm×40cm25L4。30%。1。反应器压缩空气出水填料水泵水箱进水图1实验室MBBＲ装置图Fig．1DrawingofMBBＲinstallationinlaboratory1．2、、。3、HDPE。41。表14种悬浮填料技术参数对照表Tab．1Technicalparametertableoffourkindsofsuspendedfiller/mm/g·mL－1/kg·m－3/m2·m－31Ф25×100．981005702Ф25×100．94～0．98945803Ф25×100．96975604Ф25×100．96～0．98995401．3。2。表2初沉池出水水质Tab．2Effluentwaterqualityattheprimarysettlingtank1ρCOD180～210mg/L2ρBOD580～90mg/L3ρ40～45mg/L4pH7．51．41．4．143000～5000mg/L107～10dMBBＲ6h、COD、。COD70%50%。1．4．24430%12℃8h2hCOD。1．538。61231表3实验指标分析方法及使用仪器Tab．3ExperimentalindexanalysismethodandinstrumentationpHpHpHS-25CpHCODCTL-12105℃DHG-9030A721EJGW-360BXSP-9C22．1JGW-360B。42。490°1＜2＜3＜4。44。表44种填料润湿角比较Tab．4Fourkindsofpackingwettingangle/°116522703378448511、。44。2．24。1.4.1。23。24COD。、CODMBBＲCOD。9080706050403020100010203040506070运行时间/dCOD去除率/%样品1；样品2；样品3；样品40图2挂膜启动实验COD去除率随时间变化Fig．2CODremovalratechangesovertimeinhangfilmstartexperiment100806040200102030405060运行时间/d氨氮去除率/%样品1；样品2；样品3；样品4图3挂膜启动实验氨氮去除率随时间变化Fig．3NH3-Nremovalratechangesovertimeinhangfilmstartexperiment4COD。。11COD、30dCOD70%50%10d。1。COD、。。2．32．3．1COD447123MBBＲρCOD=177mg/Lρ=44mg/L12℃2hCODCOD。4COD5。表54种填料样品对COD的处理效果(8h)Tab．5CODtreatmenteffectoffourkindsofpackingsampleafter8hours1234ρCOD/mg·L－140．7153．142．4842．48COD/%77707676548hCOD1＞4=3＞2。1COD。4COD4MBBＲCOD1COD。COD70%。4COD。200180160140120100806040200123456789运行时间/d籽（COD）/（mg·L-1）样品1；样品2；样品3；样品4图44种填料对COD处理效果的比较Fig．4CODtreatmenteffectcomparisonforfourkindsofpacking2．3．244ρCOD=177mg/Lρ=44mg/L12℃2h。46。50454035302520151050123456789运行时间/h籽（氨氮）/（mg·L-1）样品1；样品2；样品3；样品4图54种填料对氨氮的处理效果比较Fig．5Ammoniatreatmenteffectcomparisonforfourkindsofpacking表64种填料对氨氮的处理效果(8h)Tab．6Ammonianitrogendegradationeffectforfourkindsofpackingafter8hours1234ρ/mg·L－10．441．322．28．36/%99979581541＞2＞3＞4。112℃30%8hA。46。18h99%481%。。2．4105℃1mol/LNaOH60～80℃30min30min105℃29。47。表74种填料的生物膜量Tab．7Amountofbiofilmforfourkindsofpacking1234/g·－10．0320．0280．02690．024/g·g－10．02870．02830．03240．0231。1812314。。313。311230d10d312℃、30%8hCOD77%99%4MBBＲ。/Ｒeferences1．MBBＲJ．200726597-101．LIJingxianLUOLinYANGHuixia．StatusquoofapplicationandresearchprogressofMBBＲprocessJ．SichuanEnvironment200726597-101．2．J．201330236-39．JINMinglanLAIMilingLIHangetal．BiologicaltreatmenttechnologyofwastewateranditsresearchprogressJ．JournalofJilinArchitecturalandCivilEngineering201330236-39．3．MBBＲJ．20133319-12．WEIWeiliLIUJinquanWANGJun'anetal．DiscussiononkeyproblemsofengineeringapplicationofwastewatertreatmentforMBBＲJ．ModernChemicalIndustry20133319-12．4．J．200935922-24．LIFurongDONGYouSONGYurong．Ｒesearchonstart-upofsuspended-carrierbio-filmprocessJ．IndustrialSafetyandEnvi-ronmentalProtection200935922-24．5．J．201329550-54．LIQianCAOGuopingZHENGXingcanetal．Enhancednitri-ficationwithsuspendedcarrieradditionatdifferenttemperaturesJ．ChinaWater＆Wastewater201329550-54．6．MBBＲJ．201026271-73．WANGZhutianYELiangZHANGXinyanetal．ApplicationofMBBＲprocesstoupgradingandreconstructionofWWTPJ．ChinaWater＆Wastewater201026271-73．7．J．2013304286-290．GAOKangningCAOHuiyongWANGJinetal．ExampleofanupgradingprojectofsewagetreatmentplantsinNorthChinaJ．HebeiJournalofIndustrialScienceandTechnology2013304286-290．8．、J．201128172-76．LEILigaiMAXiaozhenWEIFuxiangeta