多级AO工艺在国内的应用现状黄开1

32220072ENVIRONMENTALSCIENCEANDMANAGEMENTVol.32No.2Feb.2007:2006-09-26:(1972-),,,,。:1673-1212(2007)02-0073-04A/O黄开1,于春洲2,魏飞1,常来军1(1.,266071;2.,266109)　:多级A/O工艺目前在国内市政和部分工业污水处理领域应用较多,具有预处理和污泥处理系统简单,污泥负荷低、处理效果好且稳定,投资低,曝气系统效率高、运行成本较低,维护管理简便等特点,但是在实际运行中也发现存在一些问题,如土池结构不适合地下水位高的地区的局限性,沉淀池效果较差、稳定池多余占地且污泥淤积难以清除,关键设备国产质量有待提高,工业污水处理少数水质指标偏高,需要设计人员选择适合其条件的场合应用,并进一步总结、改进和完善。:多级A/O工艺;应用现状;工艺特点;存在的问题:X703.1:ADomesticApplicationPresentStateofMultilevelA/OTechnologyHuangKai1,YuChunzhou2,WeiFei1,ChangLaijun1(1.QingdaoBranch,ShanghaiMunicipalEngineeringDesignandResearchGeneralInstitute,Qingdao266071,China;2.QingdaoChengyangdistrictMunicipalConstructionManagement,Qingdao266109,China)Abstract:MultilevelA/Otechnologyismostlyappliedinthefieldsofdomesticmunicipalworksandpartialindustrialsewagetreatmen.tItischaracterizedbypretreatmentandslugedisposalfacilitywithlowsludgeloading,stableeffect,lowinvestment,ef-fectiveaerationsystem,lowoperatingcostandportablemaintenance.However,therestillexitssomeproblemsduringthepracti-caloperation,suchastheproblemoftankconstructionwhichisunadaptedintheareawithhighergroundwaterlevel,ineffectivedesilter,redundantstabilitytankandhardtogetridofsiltingsludge,thequalityofdomestickeyequipmentneedstobeim-proved,andfewofwaterqualityindexareonthehighersideinindustrialwastewatertreatmen.tSoitisneededthatthedesignershouldselectappropriatesitetoapplythetechnologywithsubsequentfurthersummarizationandimprovemen.tKeywords:MultilevelA/Otechnology;applicationpresentstate;technologyfeature;existingproblem1　A/OA/O(Biolak,,A/O)2070,,Biolak-RBiolak-L,、。A/O,A/O,、,,[1]。,A/O,、;。。A/O1。A/O,,1.0mm;,;1.5hr;A/O0.05kgBOD5/kgMLSSd～0.12kgBOD5/kgMLSSd,MLSS2500mg/l～4500mg/l,25d～30d,20hr,2.25kgO2/kgBOD5,4.5～5.0;0.8m3/m2hr～1.0m3/m2hr,4.5～5.0;2.5hr;100%。2　A/O907332220072A/OVol.32No.2Feb.2007,,、、、。,,1。1　A/O1　A/O(m3/d)12×10426×10438×104410×10456.6×10466×10472×10483×10494×104102×104113×104124×104134×104142×104154×104166×104175×104187×104192×104201.5×104215×104223.3×1042310×104242×104251.5×104261×104　　1,A/O、、,,。650/m3～800/m3(),1/4～1/3;0.3/m3～0.5/m3()。7432220072A/OVol.32No.2Feb.2007《》(GB18918-2002)B;,。3　3.1　A/O,,,;,,。3.2　A/O,,A/O,,;,,。3.3　,,HDPE(),,。,1/2～1/3。、A/O、、,,,。3.4　,4～5m,,,,。1.5W/m3,1/6[2]。,,。3.5　,,,、,,,,。4　,,。4.1　A/O,,;1mm。(),1mm,。,。,。4.2　,:(1),,,,,。,1.8,30/。(2)、,。30cm～50cm,,。,30cm,。(3),,,。、,(),650/m3～700/m3;、(),,700/m3～750/m3;、,200mm,750/m3～800/m3;,900/m3～1200/m3。(4),1:1～1:1.5,4.5m～5m,4.5m～7.5m,,,,,。,,,。,。4.3　,7532220072A/OVol.32No.2Feb.2007,。、,,,。,,,;,,[1]。,10%～15%,。,。DO,,,,[1]。;,,。,,。,,。4.4　A/O,,3。,,;。,。。4.5　,,,,。A/O,,,、、、,。,A/O。,、,,6m3/d6ha。4.6　,,。、。,,、,。4.7　A/O,。,。、,、;。。5　A/O,,,。,A/O、、。,,、、。、,,、,。6　A/OA/O,A/O,,、、、、,、、。,、。:[1]王涛.Biolak工艺及其在设计中应注意的问题[J].中国给水排水,2003.19(10):79-80.[2]曹向东,穆瑞林,胡国光,等.德国百乐卡(BIOLAK)工艺的设计和运行[J].中国给水排水,2000.6(9):6-8.76