A2O前置MD地埋式一体化生物反应器处理某小城镇综合污水李亚峰

。COD、BOD、SS、TN、TPNH3-N。[1]。、[2-3]。AB、、A/O、A2/O、CAST、SBR。[4]。、、、。40km。。。11.12010COD186mg/L。NH3-N15.8mg/L。V。500t/d。1.2CJ3082－1999DB21/1627－20081[5-6]。DB21/1627－2008GB18918－2002B[7]。TNTP1501506～96～93535441601604040320320COD/(mg·L-1)1Tab.1MainindicatorsofsewagetreatmentfacilitiesinfluentwaterqualityBOD5/(mg·L-1)pHNH3-Nρ/(mg·L-1)SSA2/OM-D110168A2/OM-D、。500t/dBOD5、CODSS、NH3-N、TN、TP138mg/L、305mg/L150、35、33、4mg/L。BOD5、COD、SS、NH3-N、TNTP88.4%、86.9%、93.3%、82.9%、63.6%75%A2/O。GB18918－2002B1.18/t。、、。A2/OM-DX703.1B1000-3770(2014)[e-mail][e-mail]4010201410TECHNOLOGYOFWATERTREATMENTVol.40No.10Oct.,2014128DOI:10.16796/j.cnki.1000-3770.2014.10.03522.12.1.1、。、。2.1.2A2/O。A2/OM-D50%Mire-Decrement60dCOD、BOD5。。A2/OM-D1。2.22.2.1116m31。10m3/h10m1.1kW。2.2.2A2/OM-D2250t/d。。100m310m、3.5m3.5m0.5m。10℃pH7.0BOD50.088kg/(kg·d)MLSS3.5g/L14d14.5h、、1.5、3.0、10h7:170%～100%120%～200%。37m3/h10m0.75kW。2.2.31。18m34.0m×1.5m3.5m。220m3/h9m1.5kW。2.2.41。22.9m213。1.77m3/min3.0kW。33.12。2A2/OA2/OM-DBOD5、COD、SS、NH3-N、TNTP88.4%、86.9%、93.3%、82.9%、63.6%75%GB18918－2002B。3.2A2/OA2/OM-DA2/OUCTA2/O。A2/O、10%20～30min10%NO3--NNO3--N。TNTP13816331241.01501035630540COD/(mg·L-1)2Tab.2RemovalofeachpollutionindicatorsofsewagetreatmentBOD5/(mg·L-1)NH3-Nρ/(mg·L-1)SS1A2/OM-DFig.1TheprocessofA2/Opre-MDburiedintegratedbioreactor
 A2/OM-D129TREATMENTOFCOMPREHENSIVEWASTEWATERBYIMPROVEDA2/OLiYafeng,YangXi(CollegeofEnvironmentalandMunicipalEngineering,ShenyangJianZhuUniversity,Shenyang110168,China)Abstract:TheprojecttookawastewatertreatmentprojectoftheupstreamtributaryofHunRiver,calledWandianziRiver,asanexampletointroducethedesignparameters,treatmenteffect,projectinvestmentandoperationcostsoftheimprovedA2/OprocessontreatingthecomprehensivesewageofWandianzitown.Theprojectdealtwithwastewateras500t/d,andinfluentBOD5,CODandmassconcentrationofSS,NH3-N,TNandTPwere138mg/L,305mg/Land150,35,33,4mg/L.Respectively.RunningresultsshowedthattheremovalofBOD5,COD,SS,NH3-N,TN,TPwereupto88.4%,86.9%,93.3%,82.9%,63.6%,75%,whichhaveabettereffectofnitrogenandphosphorusremoval.TheeffluenthadmetthefirstBclassstandardsspecifiedinGB18918－2002Dischargestandardofurbansewage,andthetreatmentcostwas1.18yuan/t.Thisprocesshastheadvantagesoflowoperatingcost,goodtreatmenteffects,andconvenienttooperateandmanage,etc.Keywords:improvedA2/O;urbansewage;nitrogenandphosphorusremovalA2/OM-D1233%～5%。A2/OM-DA2/O、。3.31000m24。500t/d。203.42147.25150.98。、180000.5%、、、、5%。1.18/t12.5a。。。4A2/OM-DBOD5、COD、SS、NH3-N、TNTP88.4%、86.9%、93.3%、82.9%、63.6%75%GB18918－2002B。A2/OM-D、、、1.18。[1].[D].:,2011.[2].[D].:,2006.[3],,,.[C].:,2007.[4].[J].,2003,22(1):160-162.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!2015《》《》“”。《》30、、、。、、、、、、、、、、。《》。6-86。《》2415/360。2015300。。022-27832819022-27835592