ValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringValueEngineeringA2/OA2/OProcessingTreatementofCokingWastewaterWuJianwei154600QitaiheLongyangPyroelectricCo.Ltd.Qitaihe154600China:--(A2/O),,。Abstract:Thepaperintroducestheprocessoftreatingofcokingwastewaterthroughanaerobic-anoxic-aerobicbiologicalnitrogenremovalprocessalsocalledA2/Oanditsprinciplesandthemainstructureandbasicoperationsituationandmadetjeanalysisandsummary.:A2/OKeywords:cokingwastewaterbiologicalnitrogenremovaltechniqueactivatedsludgebioligicalmembraneA2/O:X78:A:1006-4311201103-0279-0111.1、、。1.2。。N2。22.1、。2.1.1。2.5%10t/h、。20。2.1.2。、BOD5NP=10051。2.1.3。pH7-8.5DO3-5mg/L1。。SV%25%MLSS2.5g/LDO。2.1.4。100-300mg/L。COD。2.22.2.1DO。。DO。DODO0.5mg/L。DO3-5mg/L。2.2.2。。25-35℃25℃30℃5℃。。2.2.3pH。pH8.0-8.4Na2CO3。pH7-88.5pH9.00。pH5.0-10.0pH6.5。NaOHpH。300-700mg/L100-200mg/LpH8.0-9.0。80%60%。2.2.4C/N。BOD5/TN3COD/TKN4。BOD5/TN3。BOD5/TN3。COD/6。2.2.5。2-3g/L10-15MLSS3g/L50。2.2.6。31h。、、、。NaOHCODCOD70%90%COD150mg/L。3A-A/O。CODcr30%-50%。。:[1].[J].200121144-149.[2].[M].2003.———————————————————————:1967-。·279·DOI:10.14018/j.cnki.cn13-1085/n.2011.03.126