2652007 10 四 川 环 境SICHUANENVIRONMENT Vol.26,No.5October2007··:2007-05-30:(1980-),,2006,。。UASB-关群兴1,2,侯伟忠2(1., 510640;2., 528237) :根据酱油废水CODCr浓度高、可生物降解性好的特点,提出了采用UASB结合氧化沟的处理工艺流程,经实践证明是合理的。该技术的实际运行表明,废水的各项指标都能达到广东省《水污染物排放限值》(DB44/26-2001)第二时段一级排放标准,该法具有工艺运行稳定、维护简单、耐冲击负荷的特点。 :;;UASB;:X703 :A :1001-3644(2007)05-0041-03TreatmentofSoyWastewaterUsingUASB-OxygenationChannelGUANQun-xing1,2,HOUWei-zhong2(1.EnvironmentalScienceEngineeringCollege,SouthernChinaUniversityofTechnology,Guangzhou510640,China;2.GuanyaoSubstationoftheProgramConstructionBureau,AdministrativeCommissionofNanhaiIndustrialPark,Fushan,Guangdong528237,China) Abstract:BasedonthecharactersofhighCODCrandbiologicdegradability,aprocessusingUASBcombiningoxygenatedchanneltotreatsoywastewaterwasproposed.Ithadbeenprovedtobereasonablepractically.ThepracticaloperationresultshowedthateveryindexofthetreatedwastewatercanreachthefirstclassstandardsforthesecondstageintheDischargelimitofwaterpollutants.Inshort,thistechnologypossessesthecharacteristicofsteadyoperation,simplemaintenanceandbearingofshockofload.Keywords:Wastewaterofsoy;biologicdegradation;UASB;Oxygenationchannel1 前 言 ,,,,,[1],,、。,、。,。,UASB-,。2 废水来源 、、。、:、、、、、、、。、、,。、,CODCr2100mg/L,,。1。1 Tab.1 Influentqualityanddischargingstandard(m3/d)(mg/L,pH)pHCODCrBOD5SSNH3-N10004~6.521001050300100~15060~806~9902060510DOI:10.14034/j.cnki.schj.2007.05.0123 废水处理工艺3.1 BOD/COD=0.5,,,:;———。,;,,,,。———:,(,,,,70%,);[2],1/5~1/10;,1/3~1/5;(),。。。,:———,、。,UASB,UASB,NH3-N,。,、SBRSBRBAF、。。:,,;,,。SBR:SBR,,,。,,。,,,,。BAF,BOD,,。,,,。,。:,[3]。、、、。,。NH3-N,。3.2 Fig. Diagranoftechnologicalprocess3.3 3.3.1 。3.3.2 ,,。3.3.3 UASB,UASB[2],,。,,,、,。,UASB,COD。3.3.4 [4],,,“”。,,,,,,42 四川环境26。,,。,,,。,。,;,,,。0.3kgBOD/(m3·d),MLSS=3000mg/L,Ls=0.12kgBOD/(kgVSS·d)。4 主要构筑物和设备2。2 Tab.2 Mainconstructionandequipment、11.6m×5m×2.5m133m×12m×2.5m1UASB5.8m×5.8m×5m433m×12m×6m112m×2.4m×3.5m111.4m×4.4m×3m1ITO1G24001TR-545 工程运行效果及主要经济技术指标5.1 ,,。3,4。3 Tab.3 Monitoringresultsofwaterqualityforeverytreatmentunit(mg/L)pHCODCrBOD5NH3-NSS4~6.52000~2200900~120060~80180~4205.52100110070300UASB6~9620~650300~35060~8060~1007.563532570806~965~8112~187~930~407.573158354 Tab.4 Monitoringresultsoftheinfluentandefflnentwaterquality(mg/L)2004.10.112004.11.132004.12.112005.1.10CODCr215021802050211075766870BOD5115010501120102018161615NH3-N756876659787SS320350285305354030353、4,《》(DB44/26-2001)。5.2 :5.2.1 310,150,3100/m3。5.2.2 700m2(,)。5.2.3 :1.0/m3(、、、)。6 结 语 ,、,,,,,、。:[1] .[J].,2003,26(1):60-62.[2] ,,,.UASB[M].:,2000.63-64.[3] ,.[J].,2002,9(9):16-18.[4] ,.[J].,2004,14(1):119-120.435 :UASB-