城镇生活小区污水生态原位净化回用处理工艺研究

34220113JOURNALOFAGRICULTURALUNIVERSITYOFHEBEI　　Vol.34No.2Mar.2011:1000-1573(2011)02-0124-07路金喜1,　马恒泽1,　王德宏2,　李宏伟1,　王彦惠1,　陈　丽1＊(1.,071001;2.,071001):1。:,,,,。,。　　:;;;;:TU992.3:AAtreatmentprocessofthesewageeco-situpurificationandreuseforcitiesandtownssewageLUJin-xi1,MAHeng-ze1,WANGDe-hong2,LIHong-wei1,WANGYan-hui1,CHENLi1(1.CollegeofUrbanConstruction,AgriculturalUniversityofHebei,Baoding071001,China;2.BaodingYidaEnvironmentEngineeringTechnologyLimitedCompany,Baoding071001,China)Abstract:Atreatmentprocessofthesewageeco-situpurificationandreuseforcitiesandtownssewageisputforward.Theexperimentdemonstratesthatthistreatmentprocess,whichcom-binestheanaerobicbiochemicaltechnologyandartificialwetlandtechnology,cannotonlyin-creasebiodegradationrateremarkably,butalsoimprovethequalityofsewagepurificationsig-nificantly.Inaddition,thisprocesscanbeusedforreclaimedwaterandthereforebeautifyeco-logicalenvironmentandlandscapeofthehousingestate.Comparedwiththeprocessofcentral-izedtreatment,thiseco-situpurificationandreusetreatmentprocessofthesewageismoree-conomicalandsuitable.Keywords:granularsludge;constructedwetlands;sewage;landinfiltration;organism　　,,、,。、,1t1000～1500,0.8～1.0,,10t,1.0～1.5,＊:2010-09-20:(2006-259).:(1957-),,,.　2　:3000～5000[1],,,。,1。,1。,、,。2060,70;,400;80%[2-3]。,1。,,、,《》、《》,。,、。,,、、,、[4-5]。1　工艺流程设计1.1　(1)、,,。,、,、、、。(2),,,,,,,。(3),,“”。(4),,,,,。1.2　、,1。1。1,①;②;③;④;⑤;⑥;⑦;⑧;⑨;⑩;11;12;13;14;15;16;17;18;19;20;21;22;23;24;25;26;27;28。1　Fig.1　Thediagramofthetreatmentprocessofthesewageeco-situpurificationandreuseforcitiesandtownssewage4:、,、、3,、,;3,3;。。、,、、,。125　　　　　34,,,,,,,,,,,,,,3,,,,,,,。。,,,,,、、、,、。,,,,,,,,,,,,,,,。,。,。,,,。2　结果与分析,:3m3,65m2,75m2,。60d,。1,23,3。2.1　,,15～36℃,、。2.2　HRT2.5、5.5、8.5、11.5h,44、20、13、9.6cm/d,3,HRTCOD、SS、NH3-N,1。1,COD、SS、NH3-N,HRT。NH3-NHRT5.5h,,HRT5.5hNH3-N;COD、SSHRT5.5h,。,5.5h,20cm/d。1　、Table1　Indexesremovalofdifferentoperatingtemperatureandhydraulicretentiontime15～25℃/%Operatingtemperature15～25℃eachindexremovalrate26～36℃/%Operatingtemperature26～36℃eachindexremovalrate/hTime　IndexCODSSNH3-N/hTime　IndexCODSSNH3-N2.58497712.58898765.58998755.59499.5838.59299.5798.59599.88611.59399.98411.59699.990126　2　:2.3　COD,COD2。2,,COD,3～4℃,COD2～3%,32～36℃COD78%～83%,。[8],COD。24～36℃,。2,COD250～320mg/L16～39mg/L。2　CODTable2　CODIndexdataofeachtestsamplemouth/℃Temperature　Dataofeachtestsamplemouth1/(mg·L-1)Dataofsamplemouth12/(mg·L-1)Dataofsamplemouth22/%Removalrateofsamplemouth23/(mg·L-1)Dataofsamplemouth33%Removalrateofsamplemouth315～19250～30080～8468～7230～3962～6520～23280～31081～8769～7429～3763～6724～27270～32074～7972～7723～2666～7128～31258～31262～6975～8017～2267～7432～36275～31854～6578～8316～1971～772.4　NH3-N、TNTPNH3-N、TNTP3、4、5。3、4、5,,,,,。2.5%～8%,,。0.2%～5.1%,,,,[9-10]。NH3-N、TNTP,NH3-N、TNTP。NH3-N、TN。,。TP,,,、,。3　NH3-NTable3　NH3-Nindexdataofeachtestsamplemouth/℃Tempeature　Dataofeachtestsamplemouth1/(mg·L-1)Dataofsamplemouth12/(mg·L-1)Dataofsamplemouth23/(mg·L-1)Dataofsamplemouth33/%Removalrateofsamplemouth315～1916～2318～254.0～8.071～7520～2318～2521～276.0～7.074～7824～2716～2518～284.5～6.076～8028～3116～2518～284.0～5.078～8332～3616～2518～282.2～4.080～87127　　　　　344　TNTable4　TNIndexdataofeachtestsamplemouth/℃Temperature　Dataofeachtestsamplemouth1/(mg·L-1)Dataofsamplemouth12/(mg·L-1)Dataofsamplemouth22/%Removalrateofsamplemouth23/(mg·L-1)Dataofsamplemouth33%Removalrateofsamplemouth315～1918～2918～282.5～5.74.9～7.674～7620～2320～3820～363.0～6.35.0～7.676～7824～2721～3921～373.8～6.94.5～6.779～8228～3121～3921～364.5～7.84.0～5.581～8532～3622～3922～364.8～8.03.1～5.082～865　TPTable5　TPIndexdataofeachtestsamplemouth/℃Temperature　Dataofeachtestsamplemouth1/(mg·L-1)Dataofsamplemouth12/(mg·L-1)Dataofsamplemouth22/%Removalrateofsamplemouth23/(mg·L-1)Dataofsamplemouth33%Removalrateofsamplemouth315～194.0～5.54.0～5.40.2～2.00.47～0.6588～9120～234.2～6.04.1～5.80.8～2.90.45～0.5889～9224～274.7～6.34.6～6.11.7～3.50.43～0.5690～9328～314.8～8.04.7～7.62.8～4.60.42～0.5691～9432～364.8～6.44.7～6.13.0～5.10.32～0.5790～952.5　SSSS6。6,,85%～96%。,,。SS,,SS130～180mg/L1.2～3.5mg/L。6　SSTable6　SSIndexdataofeachtestsamplemouth/℃Temperature　Dataofeachtestsamplemouth1/(mg·L-1)Dataofsamplemouth12/(mg·L-1)Dataofsamplemouth22/%Removalrateofsamplemouth23/(mg·L-1)Dataofsamplemouth33%Removalrateofsamplemouth315～19140～18018.4～25.585～912.0～3.585～6920～23135～17016～2392～941.8～2.589～9224～27130～18012～1793～951.2～1.991～9328～31130～18012～1793～961.2～1.892～9532～36135～18013～1794～961.2～1.793～953　城镇生活小区污水生态处理回用可行性分析3.1　,、,,,,,,。,,、,、、、、128　2　:,;,。,[9,11]。3.2　,,。7,7,、,,,,,,39%～42%;,,,21%～26%。。7　Table7　IninvestmentoperationcosttownsewageecologicaltreatmenttechnologycomparewithconventionaltechnologyTreatmentmodeSewagreuseinvestmentSwerageandwaterrecoverynetworkinvestmentSewagereuseunningcosts2500～35002500～40001.4～2.71800～2800180～3500.3～0.73.3　,1,。,201050%,30%[10,13]。,,、、、。,,。。,。,35,,。,。,,、,,。4　结论,,;、,。,,,、;,,,,。:[1]　.[J].,2006(6):19-22.[2]　DavidSteer,LauchlanFraser,JamesBoddy.Efficiencyofsmallconstructedwetlandsforsubsurfacetreat-mentofsingle-familydomesticeffluent[J].EcologicalEngineering,2002(18):429-440.[3]　KeithRHench,GaryKBissonnette,Alan