高浓度染料废水处理工程设计与运行姚小文

330031、COD。+Fe－C/Fenton+ABＲ+UASB+。。+TU993B1000－4602201902－0083－05DesignandOperationofHighConcentrationDyeWastewaterTreatmentProjectYAOXiao-wenWANGBai-yangCHENHai-hongKeyLaboratoryofPoyangLakeEnvironmentandＲesourceUtilization＜MinistryofEducation＞SchoolofＲesourcesEnvironmentalandChemicalEngineeringNanchangUniversityNanchang330031ChinaAbstractAlargeamountofwastewaterwithhighammonianitrogenhighCODandhighchromaticitywasproducedbyachemicalcompanyengagedindivergentdyesproductioninJiangsu．Theoriginalwastewatertreatmentprocesswasunabletomeetthedischargestandards．Onthebasisofpilottestandthewaterqualityanalysisofeachworkshoptheoriginalprocesswasreconstructedintothecombinedprocessofammonia-nitrogenmembraneequipment/Fe-CFenton/ABＲ/UASB/two-stagebiochemicalaerationtank．Aftertheimprovementoftheprocesstheeffluentqualitycouldmeetthetake-overstandardsofthesewagetreatmentplantinthechemicalpark．KeywordsdyewastewaterFe-CFentonphysicochemicalandbiochemicaltreatment1。COD、。3000m3/d。、1。1、Tab．1Wastewaterqualitywaterquantityandtake-overstandards/m3·d－1pHCOD/mg·L－1NH3－N/mg·L－1TP/mg·L－11500＜110000～15000500～20003．15007500～1000100～2000．85～91000401．0·38·35220191CHINAWATEＲ＆WASTEWATEＲVol．35No．2Jan．20191。COD、。。2。收集池染料废水综合废水pH调节池铁碳微电解池芬顿氧化池中和沉淀池A池O池二沉池排放池液碱阴离子PAM竖井式沉淀池浓缩池脱水机房污泥外运回流排放1Fig．1Originalwastewatertreatmentprocess高氨氮废水脱氨膜系统高浓度废水收集池pH调节池铁碳微电解池芬顿氧化池中和沉淀池氨吹脱池ABR罐微氧池UASB池好氧池1二沉池1好氧池2二沉池2后芬顿池三沉池UV反应器排放池综合废水污泥浓缩池压泥机房收集池排放泥饼外运2Fig．2Processofwastewatertreatmentaftertransformation1。。100mg/L。FeSO4H2O22。COD30%。+++3。ABＲ++UASB。A/OCOD50%。+UV。22。2Tab．2Mainstructuresanddesignparameters/16．5m×6．75m×5m75h516．5m×6．75m×5m65h340m×12m×5．5m1680m35h180t8·48·352．cnww1985．com2Continued/38m×5．5m×5．5m0．17m3/m2·h1116．5m×6．0m×5．5m3h111ABＲ1、2、3D12m×6m1680m313．6h362000m31D5m×5m393m37．8h11UASB28m×20m×10．5m5600m3HＲT112h0．34kgCOD/kgMLSS·d11120．6m×16．5m×4．8m1680m3HＲT27．5hDO2．0～3．0mg/L161D18m×4．5m1462m30．24m3/m2·h11228m×21m×5m2646m352．5hDO2．0～4．0mg/L192D18m×4m890m30．24m3/m2·h115．0m×3．8m×4．5m4．5h12D18m×4．5m1017m30．24m3/m2·h11UV185～253．7nm1UV1133．1①ABＲ2ABＲCOD3。550050004500400035003000250020001500100050051015202530运行时间/dCOD/（mg·L-1）706050403020100去除率/%进水COD出水ＣＯＤ去除率03ABＲCODFig．3ＲemovaleffectofCODbyABＲABＲ3ABＲABＲ31。30gVSS/L。ABＲCOD5000mg/LNH3－N500mg/L35～36℃4pH7．0～8．0。C∶N∶P=200∶5∶1Na3PO4。ABＲCOD4000～5500mg/LCOD20%～35%。ABＲ。②UASBUASB2UASB。0．3kgCOD/kgVSS·d0．6kgCOD/kgVSS·d5。COD4000mg/L＜350mg/L。4UASB201711。4UASBCOD2400～3200mg/LCOD16%～30%。·58·．cnww1985．com352ABＲUASBCOD。400035003000250020001500100050051015202530运行时间/dCOD/（mg·L-1）706050403020100去除率/%进水COD出水ＣＯＤ去除率04UASBCODFig．4ＲemovaleffectofCODbyUASB③。C∶N∶P=100∶5∶1Na3PO4。0．5d3d20%。2100t。1SV305%25%2SV3030%～40%。1DO2．0mg/L2DO2．0～4．0mg/L75%MLSS3500mg/L。5201711。2COD1200～1500mg/LCOD50%。35003000250020001500100050051015202530运行时间/dCOD/（mg·L-1）1009080706050403020100去除率/%进水COD出水ＣＯＤ去除率05CODFig．5ＲemovaleffectofCODbyaerobicprocess3．22017。。201833。3Tab．3ＲemovaleffectofpollutantsbycombinedprocessCODNH3－NTPpH/mg·L－1/mg·L－1/%/mg·L－1/mg·L－1/%/mg·L－1311176069894．17583595．40．7＜16．92～7．26361056066893．75982895．30．6＜17．03～7．863111043054294．86723195．40．9＜17．55～7．773161017675692．67563295．80．5＜17．67～7．753211108868193．96772796．00．7＜17．15～7．423261000656394．48093695．60．9＜16．87～7．113311121870393．76422596．10．4＜16．92～7．323、、ABＲ、UASB+++。+CODCOD10000mg/LCOD5000～6000mg/L。1500mg/L600～800mg/L。、0．2%＜40mg/L。TPABＲ·68·352．cnww1985．comTP1mg/L。COD92%95%pH7。。4①。。。②1DO。1UASBDO2．0mg/L。12A/OCOD。③。2。52000m3/d400150。4．10/m31．23/m31．15/m30．6/m37．08/m3。6ＲANS+Fe－C/Fenton++ABＲ+UASB++、CODCODNH3－N92%、95%。1．+J．201834299－101．ZhouXinWangBaiyangHuChunhuaetal．Applicationofphysico-chemicalandbiochemicalprocessforhighconcentrationantibioticwastewatertreatmentJ．ChinaWater＆Wastewater201834299－101inChinese．2．Fe/C/Fenton－－A/OJ．2016421255－59．XiaoXiaoCuiKangpingWangZhengetal．TreatmentofanthraquinonedyewastewaterwithFe/Celectrolysis－Fentonsynergisticoxidation－coagulationsedimentationA/OprocessJ．TechnologyofWaterTreatment2016421255－59inChinese．3．－－J．2007331160－62．WangFengGongYuepengZhaoLinglingetal．Treatmentofdyestuffwastewaterbymicroelectrolysis-anaerobic－aerobiccombinationprocessJ．TechnologyofWaterTreatment2007331160－62inChinese．4．ABＲJ．20112634－36．QiuTingshengWangPinYuanXiangetal．Ｒesearchontheimprovementandstart-upofanaerobicbaffledreactoratnormaltemperaturesJ．NonferrousMetalsScienceandEngineering20112634－36inChinese．5．J．200632253－56．LiuYingXieXianghaiZhaoJing．TreatmentofdyewastewaterJ．TechnologyofWaterTreatment200632253－56inChinese．1992－。[e-mail]2018－07－31·78·．cnww1985．com352