A2O脱氮除磷工艺及其变型工艺比较分析包少可

1。。A2O、Bardebpho、phoredox、UCT、VIP。、、3。2。22.1ammonification。。、。。2.2nitrification。NitrosomonasNO2-,NitrobacterNO3-。CO2CO32－HCO3－NH3NH4+NO2。2NH4++3O2→2NO2－+2H2O+4H+NO2－+0.5O2→NO3－2.3denitrification。。N5+N3+。NO2－NO3－。NO2－NO3－A2O1231.1100142.1101413.116013A2O、、。A2O。A2OAbstractThecharacteristicsoftraditionalA2Oprocessandtransformationprocessareintroduced,suchassimpleprocess,convenientcontrolandlowoperationcost.Itisstillwidelyusedfornitrogenandphosphorusremovalinwastewatertreatment.TheprinciplesandcharacteristicsoftraditionalA2Oprocessandtransformationprocessaresummarizedandcomparedsystematically.Keywordsbiologicalremovalofnitrogenandphosphorus;A2Oprocess;transformationprocessX703A1674－1021201106-0062-042011－05－122011-05-31。1981。62NH3-N12.5%。NO2－NO3－NON2ON2。70%~75%。NO2－+3H→1/2N2+H2O+OH－NO3－+5H→1/2N2+H2O+OH－BOD5/TKN＞4。2.4Poly-phosohateAccu－mulatingOrganismsPAOATP,VFA-β-PHB、-β-PHV。。2.5PHB。。BOD5/TP＞17。33.15d30d3d。3.2NxO－PHB。、、1-2。4A2O4.1A2OA2O1。A2O、3。A2O、、。A2O。A2O。4.2BardebphophoredoxBardebpho2。AO100%90%~95%。Bardebpho、、。phoredox3。4BardebphophoredoxBardebphoBardebpho1A2O2Bardebpho63。phoredoxBardebphoBOD/TKN7.19.1Bardebpho3。4.3UCTMUCTUCTUniversityofCapeTownProcess4A2O。A2OUCT。UCT。UCT2~5mg/L0.3~0.8mg/L。MUCTModifiedUniversityofCapeTownProcessUCT5。MUCT、。、。UCTMUCT。4.4VIPVIPVirginiaInitiativePlantUCTVIPUCTUCT。VIPUCTVIP2~4。VIP4~12d6~7h。4.5A2OA2O6。UCTMUCTA2OA2OUCTA2O/10％20～30min。10％。4.6A2OA2OA2O7。《》。、。A2O4UCT3phoredox5UCT216A2O10%/90%7A2O10%90%640.4gK2Cr2O724.0mg80mg30.0%4.1。4.20.8gK2Cr2O780mg55%0.8gK2Cr2O7。1.M.2005.2.GB9834-88S.1989.3.NY/T1121.6-2006S.2006.4.NY/T85-1988S.1989.5.—ISO14235-1998S.1998.。150%~200%A2O40%。4.7PASFPASFremovePhosphorusandnitrogencombinedActivatedSludgeandbioFilmtechnology8。A2O。。、、BAF。PASFA2OPASF4。5、、、SHARONA2O、、、A2O、。1.M.1998.2.M.2006.3.M.2003.4.M.2004.8PASF5865