UASB生物接触氧化处理酒精废水工程设计孙根行

4　11环境工程学报Vol.4,No.11201011ChineseJournalofEnvironmentalEngineeringNov.2010UASB-孙根行1　闫东峰1,2　李连清3(1.,710021;2.,710021;3.,252000)　　UASB--,,,。,COD100mg/L,50,SS70mg/L,NH3-N15mg/L,TP0.5mg/L,《》(GB8978-1996)。,,,。　　UASB　　X703.1　　　A　　　1673-9108(2010)11-2542-05EngineeringdesignofalcoholwastewatertreatmentwithUASB-biologicalcontactoxidationSunGenxing1　YanDongfeng1,2　LiLianqing3(1.CollegeofResourceandEnvironment,ShaanxiUniversityofScienceTechnology,Xi'an710021,China;2.InstituteofWastewaterUtilization,ShaanxiUniversityofScienceTechnology,Xi'an710021,China;3.LiaochengSanyangEnvironmentalProtectionIndustryCo.Ltd.,Liaocheng252000,China)Abstract　TheUASB-two-stagebiologicalcontactoxidation-filtrationprocesswasusedinalcoholwastewatertreatment,theoperationwasstable,processefficiencywashighandsavedmuchreagentscostatthesametime.Theresultshowedthattheeffluentqualities(COD100mg/L,Chroma50,SS70mg/L,NH3-N15mg/L,TP0.5mg/L)meetthefirstclassdischargestandardsofthenational“IntegratedWastewaterDischargeStandard”(GB8978-1996).Inthesystem,theamazakewasusedtoproducefodderandthemethanewasrecycled.Itbroughthugeeconomicbenefittotheenterprise,exceptforthecostsofwastewatertreatmentev-eryyear.Keywords　alcoholwastewater;UASB;biologicalcontactoxidation:2010-05-09;:2010-06-20:(1963～),,,,、。E-mail:[e-mail]　　,,,,,。,、UASB、EGSBIC。UASB、、、、[1]。UASB《》[2],。[3]UASB--,,,。,UASB--。1　1.1　,5t,,2000t。、。COD、BOD,、,。:、、、,BOD/COD,11:UASB-,:pH3.5～5.5;COD≤40000mg/L,BOD5≤28000mg/L,NH3-N≤300mg/L,SS≤40000mg/L。1.2　,SS30000～40000mg/L,,,。UASBSS,[4]。UASB,UASB35℃,pH,pH5～9。UASB,;[5]。,、、、,,。,,。UASB,。UASB、,1。1　Fig.1　Treatmentprocessofwastewater1.2.1　调节池,。400m2,4.5m,22h,20m×20m×5m。,。1.2.2　板框压滤机:XAY60/870-U;,,,。1.2.3　初级沉淀池SS,SS,UASB100mg/L,,,,4.5m×4.5m×3.5m,3h,。1.2.4　集水井UASB,8m×8m×4m;,UASB35～37℃。2(100QW70-10-5.5)。1.2.5　UASB,95%COD,,4,1600m3,16m×16m×7m,6.5m;4d,0.15m/h,8kgCOD/(m3·d)。,[6],,20%,60°,1.5m;,[7]。50cm,;15cm,45°;,2.5cm,UASBCODpH,50%～100%。1.2.6　吹脱池、,。,,,。10m×5m×5m,4.5m,YXO2B-5.52。1.2.7　生物接触氧化,,13h,20m×10m×5m,4,6.5h,10m×10m×5m,2。254344.5m;900m3,1m,0.5m;2～3g/L[8],YXO2B-1110,,,。20∶1,2～4mg/L。1.2.8　斜板沉淀池。1.5h,1.5m3/(m2·h)[9];PVC,1m,60°,,。1.2.9　清水池,,5m×5m×3m。1.2.10　机械过滤器,:1.2m×2.8m,8～10m/h,P0.5MPa,0.04～0.1MPa,≥0.15MPa,、,:10L/(s·m2)、15L/(s·m2)[9]。1。1　Table1　Majorequipment(kW)100QW70-10-5.525.580QW30-15-36380QW45-15-5.525.522222YXO2B-5.5YXO2B-7.52105.511900m3XAY60/870-U104、46OGWFD1112　2.1　UASBUASB,30%;35℃,1℃/h,,,,;0.1～0.2kgCOD/(kgMLSS·d);,,;COD70%～80%,;,,0.5m/h,,,50%～100%。,35～37℃,VFA1000mg/L,8kgCOD/(m3·d),COD,COD95%,UASBCOD1200～1500mg/L。、UASB,COD()、SS()、()、()、()pH()。,pH、UASB。3,,670%。UASB2。2　Fig.2　VolumetricloadinginstartupprocessandeffluentqualityUASB,,pH6.5～7.5。VFA,254411:UASB-、、、,VFA,VFA,。UASB200～300m3/h,UASBpH6.5～7.2,VFA400～600mg/L,UASB。UASBCODVFA3。3　UASBVFACODFig.3　VFAandCODineffluentofUASB2.2　,UASB,,。UASB10%～20%,,,20%,1kgCOD/(m3·d)[10]。,,。2630～713。3　3.1　6,COD99%,。11,3d,。2　Table2　OperationalresultsCOD(mg/L)UASB()SS(mg/L)NH3-N(mg/L)(mg/L)630141095385312.40.3971152093435612.30.3672115094424612.90.4173128892445014.30.4174123493405112.70.4575140794414713.50.4076141794394813.60.3677133393395014.30.3678128092455314.00.3679135693405512.60.33710125795394514.70.33711137993414812.70.36712149390414913.20.37713134995405413.30.40GB8978-1996()1005070150.53.2　:127kW,1.90。:2,1200/,0.05/m3。:,m3()10m3,15000m3,1m31kg,15t,800/t,1.2。4　　(1),UASB-,,,25454COD100mg/L,50,SS70mg/L,NH3-N15mg/L,TP0.5mg/L,(GB8978-1996)。(2)UASB--2000t,0.5～1.0,,。[1],,,..:,2003.11-16[2],,,.UASB/.,2008,24(24):65-68[3],,,.-.,2004,23(2):21-23[4]..:,2006.88-89[5],..:,2008.229-230[6],..:,2007.50-55[7].UASB.:,2009.22-23[8],..:,2005.148-149[9],,..:,2000.623-625[10],..,2008,23(3):11-12,202546