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2009-07-111975-。15×104t/d3×104t/d200420079。16.0m、。Orbal,。22.13×104m3/d、。PLC。、、。。。2.232。。。1。199.2%80%。12h/dPLC。33.1//3.2①4。②PLC、。。③,2。42。2。12663。33。④Orbal———OntheOperationofOrbalOxidationDitchProcess230088Orbal。、、。OrbalTU991.2B1007-7359(2009)05-0134-04ZhuRenyiHefei-StipScience&TechnologyIndustryDevelopmentCorporationHefei230088ChinaAbstractMingguangSewageTreatmentPlanthasintroducedOrbalOxidationDitchProcess,anadvanceddomesticsewagetreatmenttechniquetoremovetheorganicsubstancesfromthesewagewater.Andtheprocesshasalsotheabilityofnitrogenandphosphorusremoval.Butastherainpipeshavenotbeencompletelyseparatedfromthesewagepipes,waterqualityandquantityatthefloodseasonandthedryseasondiffersalot.ThearticlewillfocusontheadjustingmeasuresoftheOrbalOxidationDitchProcesstorealizethenormaloperationoftheplant.KeywordssewagetreatmentOrbaloxidationditchnitrogenandphosphorusremovalnitrificationanddenitrification20095168134DOI:10.16330/j.cnki.1007-7359.2009.05.002。22。32。⑤120m3,11,99.2%80%。PLC。⑥。4、。、。、。①16.5m。16.0m,。②、,、、,、、、。③3×104m3/d45%55%。。CODc≤400mg/lBOD5≤200mg/lSS≤250mg/lNH3-N≤24mg/lTP≤3mg/l。5Orbal①CODcr≤60mg/lBOD5≤20mg/lSS≤20mg/l-≤15mg/lTP≤1.0mg/l。OrbalMLSS4000mg/lBOD590%、NH338%、TP67%。Orbal、。。。OrbalMLSS2000mg/l~4000mg/lMLSS4000mg/lMLSS2000mg/l。②Orbal3。50%~55%0.2mg/l~0.5mg/l、80%BOD。25%~30%1mg/l“”。a.BODb.DOc.。15%~20%2mg/l。。/BOD、IIIIIII③Orbal———165135,。、、、、PH6.5~8.5。MLSSNS。NS0.08kg/(kgMLSS×d)0.1kg/kgMLSS×d。、。,。④5。a.。Orbal0.2mg/l~0.5mg/l1mg/l1.5mg/l。。b.20dMLSS15dMLSS30d。MLSSSVIMLSS≤4000mg/lSVI≤100。c.Orbal50%~100%50%MLSS30%~50%。d.0.3m/s4.2m。633~43。e.30000m3/dBOD200mg/lMLSS4000mg/l99.2%600m34.8t80%24t。6、MLSS。OrbalSSMLSS。2。6.1、。99%。SVI。OrbalF/M。、、。“”。6.2、、。、、SV％、MLSS、DO、NS。SSSVI。200910154、、1366.33。①,(5mg/),,,。、、MLSS、、。②H2S、CH4。2。。③。、、,。。。。、、0.5mg/L~1.5mg/L。7Orbal。。。。、。。3.3、、。“”、、。、。4。4.1①。②、。③、、、、、、、。④。⑤。4.2①、、。。②、、、。③、。、、。。。5、、、、、、。。1.[M].2004.2.[M].2007.3.[M].2004.136!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!165154