臭氧氧化对ASBRSBR工艺SBR段污泥和上清液的性质影响

55环境工程学报Vol.5,No.520115ChineseJournalofEnvironmentalEngineeringMay2011ASBR/SBRSBR何赞1,2王海燕1*田华菡3赵林林2汪莉2周岳溪1(1,100012;2,100083;3,610072)ASBR/SBRSBR,0~0349gO3/gMLSS,,MLSSMLVSS,,TNNH+4-NNO-3-NPO3-4-P,23241303239238mg/L;TOCSCOD027gO3/gMLSS,3255mg/L125925mg/L,31215mg/L12028mg/L0016gO3/gMLSS0057gO3/gMLSS,NO-2-N997mg/L5632mg/L,,43mg/L4721mg/L;,pH,SBRX705A1673-9108(2011)05-1151-06InfluenceofozonationonSBRsludgecharacteristicsandsupernatantinthecombinedASBR-SBRprocessHeZan1,2WangHaiyan1TianHuahan3ZhaoLinlin2WangLi2ZhouYuexi1(1ResearchCenterforWaterPollutionControlTechnology,ChineseResearchAcademyofEnvironmentalSciences,Beijing100012,China;2SchoolofCivilandEnvironmentalEngineering,UniversityofScinceandTechnologyBeijing,Beijing100083,China;3ChengduHydropowerInvestigationDesign&ResearchInstitute,Chengdu610072,China)AbstractTheinfluenceofozonationontheSBRsludgecharacteristicsandsupernatantinthecombinedASBR-SBRprocesswasinvestigatedinthisstudy.Theresultsshowedasthefollows:withtheincreaseofozonedosagefrom0to0349gO3/gMLSS,thesludgesettleabilityalsoincreased,however,theSBRMLSS,MLVSS,andsludgebioactivityalldecreasedobviously.Amongthesludgesupernatan,ttheconcentrationsofTN,NH+4-N,NO-3-N,PO3-4-Pandpolysaccharidealsoincreasedtothemaximumvalue,.ie.2324mg/L,1303mg/L,239mg/Land238mg/L,respectively,withtheozonedosageincrease.Whentheozonedosagearrivedat027gO3/gMLSS,thesupernatantTOCandSCODconcentrationalsoarrivedatthemaximumvalue,.ie.3255mg/Land125925mg/L.ThenthesupernatantTOCandSCODconcentrationslightlydeclinedandkeptat31215mg/Land1202.8mg/L.Whentheozonedosagewas0016gO3/gMLSSand0057gO3/gMLSS,theNO-2-Nandproteinconcentrationsarrivedatthemaximum997mg/Land5632mg/Laccordingly.ThentheNO-2-Nandproteinconcentrationswerereducedto43mg/Land4721mg/L,respectivelyatthefinalo-zonedosage.Inthewholeexperimentalsludgereductionprocess,thesludgesupernatantpHvaluegraduallyde-clinedtothesubacidity.Keywordsozone;SBRsludge;supernatant:(2007KYYW10):2009-11-19;:2009-12-31:(1982~),,,E-mai:[e-mail]*,E-mai:[e-mail],2090,,,,5[1-2],,[3](SBF),[4]AO,,,ASBR/SBRSBR,,ASBR/SBR11.11,,9999%,,,100mm,700mm,55L,1Fig1Experimentalset-up1230ASBR/SBRSBR,SBRMLSS3000~5000mg/L,4,028~05gCOD/gMLSS,95d,,COD600~750mg/L,NH+4-N=30~40mg/L,PO3-4-P=6~8mg/LSBR,CODTNPO3-4-P90%78%59%13SBR4L,,05MPa,,4834g/h,60L/h,,112,,,KI,,0~135min,,14(1)MLSSMLVSSSVCODNH+4-N(SOUR)(CFU),(2)pHPHS-3C(3)TOCTN:045m,TOC-Vcpn()(4)PO3-4-PNO-2-NNO-3-NICS-2000()(5)[5][6](6)[7]2212.1.1臭氧氧化对污泥浓度的影响MLSSMLVSS2,MLSSMLVSS0~0074gO3/gMLSS,MLSSMLVSS,MLSS3873mg/L2330mg/L,MLVSS3299mg/L1846mg/L,398%44%;0074~01gO3/gMLSS,MLSSMLVSS,2330~2314mg/L1846~1784mg/L01gO3/gMLSS,MLSSMLVSS,,0275gO3/gMLSS,MLSSMLVSS,1286mg/L807mg/L,,11525:ASBR/SBRSBR,[8];[9],,,MLSSMLVSS;,,,,MLSSMLVSS;,,,MLSSMLVSS,;MLSSMLVSS,,2Fig2EffectofozonedosageonsludgeMLSSandMLVSS,MLVSS/MLSS085063,212臭氧氧化对污泥沉淀性的影响,SVSVI3,,SVSVI,;0074gO3/gMLSS,SVSVI,,SV5318,SVI13675;,SVSVI,;LeeuwenWeemaes[10-11],Yan[12],G-bacteria,213臭氧氧化对污泥活性的影响SOURCFU4SOURCFU,,3Fig.3EffectofozonedosageonsludgeSVIandSV,0~009gO3/gMLSS,CFU4210713107,009gO3/gMLSS,CFUSOUR0~0074gO3/gMLSS,SOUR534mgO2/gMLVSSh153mgO2/gMLVSSh,CFU,,1,,,,,SBR,SBR,ASBR,SBR,,,4Fig4Effectofozonedosageonsludgeactivity222.2.1臭氧氧化对污泥上清液pH的影响pH6~8,pH4~10[13],11535pH,pH5,5,00349gO3/gMLSS,pH851598Yasui[14],;Song[15],pH,,pH598~851,ASBR5pHFig5EffectofozonedosageonsludgesupernatantpH2.2.2臭氧氧化对污泥上清液SCOD和TOC的影响,,,,SCODTOC6,0~01gO3/gMLSS,SCODTOC,SCOD57mg/L24335mg/L,417,TOC1506mg/L837mg/L,546;01~027gO3/gMLSS,,SCOD24335mg/L3255mg/L,034,TOC837mg/L125925mg/L,05;027gO3/gMLSS,,SCOD3255mg/L31215mg/L,TOC125925mg/L120275mg/L,,,,,,,,,,SCODTOC6SCODTOCFig.6EffectofozonedosageonSCODandTOCinsludgesupernatant2.2.3臭氧氧化对污泥上清液中TN和无机氮的影响:NH+4-NNO-2-NNO-3-N4,TN4N12%,N,TN77TNFig7EffectofozonedosageonTNandinorganicnitrogeninsludgesupernatant7,TNNH+4-NNO-3-N,NO-2-N11545:ASBR/SBRSBR,0.016gO3/gMLSS997mg/L,,43mg/LNH+4-N0~016gO3/gMLSS,,39mg/L1009mg/L,249,,,1009mg/L1303mg/L,03,,NH+4-NNO-2-NNO-2-N,NO-2-N,NO-2-NNO-3-N,0016gO3/gMLSSNO-2-N997mg/L,,NO-3-N,0~001gO3/gMLSS,64mg/L142mg/L,12,001~035gO3/gMLSS,NO-3-N,142mg/L239mg/L,07,TNNH-4-N,0~016gO3/gMLSSTN,983mg/L1766mg/L17,016gO3/gMLSS,TN,1766mg/L2324mg/L,03TN,,TN;,,TN2.2.4臭氧氧化对污泥上清液PO3-4-P的影响(0~0349gO3/gMLSS),PO3-4-P88,PO3-4-P,74mg/L238mg/LPO3-4-PPO3-4-P,PO3-4-P,,,,,R0.9962.2.5臭氧氧化对污泥上清液蛋白质和多糖的影响,99,0~0057gO3/gMLSS,,4082mg/L5632mg/L,,,,500mg/L,EPS,,,,,,Scheminske,,[16],,0349gO3/gMLSS40455mg/LSCODTOC11555,(ex-tracellularpolymericsubstances,EPS),,[17],EPS3(1)ASBR/SBRSBR,0~0349gO3/gMLSS,MLSSMLVSS,0~0074gO3/gMLSS;MLVSS/MLSS085063;,SV5318,SVI13675;,(2)0~027gO3/gMLSS,SCODTOC,(3),TNNH+4-NNO-3-NPO3-4-P,PO3-4-PNO-2-N0016gO3/gMLSS,997mg/L,NO-3-N0057gO3/gMLSS5632mg/L,,(4),,0074gO3/gMLSS,SBR,[1]YsuiH.,ShibataM.Aninnovativeapproachtoreduceex-cesssludgeproductionintheactivatedsludgeprocess.Wa-terScience&Technology,1994,30(9):11-20[2]WeiY.S.,VanHoutenR.T.,BorgerA.R.,etal.Minimizationofexcesssludgeproductionforbiologicalwastewatertreatment.WaterResearch,2003,37(18):4453-4467[3],,..,2007,27(1):36-39[4],,..,2006,32(5):48-51[5