UASB处理生物废水的中试研究杜海江

23220104POLLUTIONCONTROLTECHNOLOGYVol.23,No.2Apr.,2010UASB,　　,(张家港市环境监测站,江苏张家港　215600)　:UASB,、,pH、。:;;;pH;:X703.1　　　:APilotStudyonBiologicalWastewaterTreatmentbyUASBDUHai-jiang,　JIANGBin,　JIANGJian-jun(ZhangjiagangEnvironmentalMonitoringStation,Zhangjiagang,Jiangsu215600,China)Abstract:ThispaperdescribestheeffectofbiologicalwastewatertreatmentbyUASB,discussesthevolumeofwastewaterload,theinfluenceoftemperature,thechangesofpHandgasproduction.Keywords:UASB;volumetricloading;temperture;pH;gasproduction:2009-11-03:(1982—),,,,,。　　,:(COD40%)、(COD40%)。BOD5/CODCr0.7,,COD4000mg/L。1　,0.6m,4.4m,1.24m3,1.1m3,1。。,,2.3m,,,0.4m,,、、。,,,,。,,,,,,VFA。,,。12,。。1　UASB2　,COD(0.12～3.7kg/m3·d),(50L/h),,20104.UASB·11　　　·。,。3　。,,,,。:,,,,。,COD0.12kg/(m3·d),2～12d。:(1)。,,pH,,,COD。COD1000～2000mg/L,COD15%～30%。(2)。,,COD50%～60%。COD1.15～3.00kg/(m3·d),COD2000～4000mg/L。,,,。(3)。,COD4000mg/L,COD80%。,,2～3d。,,,,,。,3。4　4.1　容积负荷,,COD(0.12kg/m3·d)。,,,COD3.72kg/(m3·d),COD600～800mg/L,80%。,COD,,,。4.2　温度的影响COD2。2,COD。25℃,45%,30～36℃,,80%。,40～45℃,,50%。,,。,,,。2　COD4.3　pH值的变化,pH。pH6.5～7.0,pH3。pH,5.5～7.0,。,,、。,pH,7.0～7.5,,,pH,,,。,。4.4　产气量的变化4,,,,。,,,,,。·12　　　·.UASB2323　pH,,。,0.38L/gCOD。5　　(1),UASB,,。COD4000mg/L,,COD80%,COD4　UASB3.72kg/(m3·d),COD800mg/L。(2)UASB,,,,。,,,,,。·动态与简讯·:———,,“N2”,。、,,:(1),;(2),,;(3)、、;(4),,;(5)、,,,;(6),,;(7),,,。　,,,,。,600。,,,,。,12.18。,,。