沸石强化AO生物脱氮工艺中有机污染物的降解作用研究成官文

1　3环境工程学报Vol.1,No.320073ChineseJournalofEnvironmentalEngineeringMar.2007A/O成官文1,2　吴志超2　章非娟2　黄翔峰2(1.,541004;2.,200092)　　、TOCUV254,A/O-,,A/O55,,COD90%,0.22μmTOC97%,0.45μmTOC92%,。　A/O　　　X703.1　　　A　　　1673-9108(2007)03-0005-06Afull-scalestudyonorganiccontaminantdegradedmechanismfrombiologicalA/OprocessenhancedbyzeoliteChengGuanwen1,2　WuZhichao2　ZhangFeijuan2　HuangXiangfeng2(1.DepartmentofResourceandEnvironmentalEngineering,GuilinInstituteofTechnology,Guilin541004;2.StateKeyLabofPollutionControlandResourcesReuse,TongjiUniversity,Shanghai200092)Abstract　TheanalyticalresultsofRamanspectrum,TOCandUV254indicatedthatinafull-scaletestofbi-ologicalA/Oprocessenhancedbyzeolite,dissolvedandnon-dissolvedorganiccontaminantsinmunicipalwastewaterareeasilyadsorbedanddegradedbytheactivatedsludgecontainedzeolite.BecausetheactivatedsludgecontainingzeolitehasmorebacteriumthantheactivitedsludgeofbiologicalA/Oprocess,thebiodegrad-abilitiesoforganiccontaminantsareimprovedintheprocess.Organiccontaminants,including90%ofCODinmunicipalwastewater,97%ofTOCinfiltereffluentof0.22μmfiltrationmembrane,92%ofTOCinfilterefflu-entof0.45μmfiltrationmembraneandnonbiodegradableorganics,areremovedorfurtherdegradedbytheacti-vatedsludgeinbiologicalA/Oprocessenhancedbyzeolite.Keywords　biologicalA/Oprocess;organiccontaminant;zeolite:“863”(2003AA601020);:2006-05-15;:2006-10-11:(1962～),,,,。E-mail:[e-mail]　　,。,Lahav[1]Gisvold[2]-,;,[3～6]A/O-,、、。A/O-。1　1.1　。3A/O,。15g/L;2,;33g/L。0.5m×1.5m×8m,A2,O;1。1。1　Fig.1　BiologicalA/Oprocessflowdiagraminthefull-scaletest　　Q=1.2m3/h,O20∶1,5h(A1.25h、O3.75h),100%,200%,25～30d。1.2　、180,105℃。,pH6.7～8.1,7.1;COD73～311mg/L,162mg/L;9.20～55.43mg/L,24.50mg/L;TP1.30～8.90mg/L,3.80mg/L;SS32～148mg/L,75mg/L。COD、NH+4-N、NO-3-N、NO-2-NSS,[7]。bilor,(He-Ne)632.81,30s,6mW,50。1.3　1.3.1　沸石以及含沸石污泥对城市污水中有机污染物的“初期”吸附作用。2L。35L,0.22μm,25L10L。230.5L,3g/L。　　、1.5L,、23,120min,、,50℃12h,160,。1.3.2　含沸石活性污泥硝化-反硝化过程中污水有机污染物的生物降解100%、200%,1.5L、O3L1.5L,AO。10、3060min60min500mL,0.22μm0.45μm(0.22μm,0.22～0.45μm),TOCCOD。2　2.1　、[8]。,,,、,。,,Si、Al,、。2。(),,;(),63:A/O,。2　(A.;6.;14.)Fig.2　Ramanspectrumdiagramoffiltrationmembraneeffluentandprimarysedimentationbasindischargewaterafteradsorbingbyzeolite2,562.12cm-1,,,1057.42、1090.96、1401.74、1499.831534.30cm-15(3),[9],,。42、3。32,,,,、,。,,、,MLVSS[3]。,,、。,“”,。3　2(I.2;K.23g/L)Fig.3　Ramanspectrumdiagramofprimarysedimentationbasindischargewaterafteradsorbingbytheactivitedsludgeandzeolite4　2、3(I.2;J.3;29.)Fig.4　Ramanspectrumdiagramofprimarysedimentationbasindischargewaterafteradsorbingbyzeoliteandtheactivitedsludgeintank2andtank32.2　-(56),15min,,COD。,COD。3-0.22μmTOC97%,0.45μmTOC92%(1),0.22μm,0.22～0.45μm71;A、OTOCTOC。5　Fig.5　Resultofdenitrificationintanks6　Fig.6　Resultofdenitrificationintanks1　3-TOCTable1　TOCofthenitrificationanddenitrificationprocessdischargewaterintank3A(min)0102030O(min)6060600.45μm(mg/L)50.2422.0416.2913.068.546.035.313.930.22μm(mg/L)22.044.273.012.792.501.071.040.71　　,12-7。120.22μm0.45μmTOC,COD,COD。12,1、,21。:TOC1、TOC27　-Fig.7　RemovalofTOCinthethenitrificationanddenitrificationprocess　　,,3UV254。UV254254nm。:UV254=[A/b]×D:UV254———UV(cm-1);b———(cm);A———;D———。UV254,TOC,[10]。、、,,UV25483:A/O[10]。,UV254,3000,500。230.22μm5000r/minUV2542,-。,,A/O55(3),,。2　23UV254Table2　UV254ofthenitrificationanddenitrificationprocessdischargeintank2andtank3(cm-1)A1/3O2/3OO30.9330.2370.1640.1590.1600.1590.1620.8750.2890.1810.1700.1650.1670.16920.9330.2370.1830.1730.1710.1680.1700.8750.2890.2060.1940.1870.1850.187　　:0.22μm;5000r/min3　Table3　Detectionresultofmicroorganismindenitrificationprocess(109/gMLVSS)1234567816.301.7860.42.605.7914.11.975.3220.2410.4821.082.160.2702.121.081.0632.851.352.782.421.046.672.102.472.3　A/O,、。,,、;、;、;、。,、,、。,、,、、、、,,、;3,,,,,;、,。,60%,[11]。,[4]。、,。,,,(),,、。,,。A/O,,。　　913　　(1),、;,“”,,。(2)(),-。A/O55,,COD90%,0.22μmTOC97%,0.45μmTOC92%,。(3),,,;、,。[1]LahavO.andGreenM.Ammoniumremovalfromprimaryandsecondaryeffluentsusingabioregeneratedion-ex-changeprocess.Wa.tSc.iTech.,2000,42(1～2):179～185[2]GisvoldB.,OdegaardH.,eta.lEnhancingtheremovalofammoniuminnitrifyingbiofiltersbytheuseofazeolitecontainingexpandedclayaggregate.Wa.tSc.iTech.,2000,41(9):107～114[3].A/O-.:,2004[4],,,.A/O-.,2005,23(3):83～86[5],,,.A/O.,2003,19(13):17～20[6],,,.A/O.,2005,21(9):46～48[7].(3).:,1989[8],,.-.:,1996[9],..:,1999[10],..:,1999[11]./(BC).,2000,16(10):13～1710