改良型多点进水A_O工艺生物脱氮效能研究_郑诗怡

礴能漂;ConefercneonWaterinColdRegionReaersehoniBologicalNitrogenRemoavlEiffeiecnyybMeliorativeSegmnetW台terSuPPlyA/0TechnologyShyiiZHENqBing场NAMqnegSU,YihaoLl,XianSHI,WenehengMADePart用eotofthe人f别nieiPalandnEvlornmenatlEngineerign.aHrbinjnstirureofeTchool口g〕aHrbin,Ij00夕0,ChinamEaildamahit@j石了刃omAbstraet:CombinedsegmentwatersuPPlyteehnologywithA/0andassociatedtheaetivatedsludgeteehnologywiththebiomembraneeProeess,anewteehnies,themeliorativeseglnentwatersuPPlyA/Oteehnology15Putfo附ard二TheexPerimentindieateshtatwhentheinfluentCOD15352一432mg/L,NH4+一N1542一56mg/L,theHRT15sh,theactivatedsludgeretunrradio1550%,htevo一umetrieratiosofanoxieandoxiezone151:2,theDOintheoxiczone15eontrolledat1.5mg/Laround,theeiffuentermovalarteofNH4+一NandeoDeanexeeed97%and93%erspeetivel丫Inaddition,byanalysingtheaffeetedfaetorsoftheteehnology,theexPerimentstudysthebiologicalnitrogenremovalindifferentconditions:underthedifferentC闪ratio4,6,8,10,12,underthedifferentHRT,underthedifferentactivatedsludgeratio50%,75%,100%,150%.Th