传统工艺条件下城镇生活污水厌氧除磷途径探讨焦裕馨

400010AAOCarrousel2000TP。TP。。。INVESTIGATIONONTHEWAYOFANAEＲOBICPHOSPHOＲUSＲEMOVALINDOMESTICSEWAGEUNDEＲTＲADITIONALTECHNOLOGICALCONDITIONSJiaoYuxinWangTaoWangDingchengHeYupingLiQierXuNaXiongWeiChongQingUniversityChongqing400010ChinaAbstractInthispaperonlybyaddingfillerstotheanaerobicpooloftraditionalAAOandCarrousel2000OxidationDitchprocesstheotheroperatingparameterswerethesameasthetraditionalprocessandtheanaerobicphosphorusremovalofthelowwaterintaketotalphosphorusconcentrationTPwasstudied．ThetestshowedthattheaverageTPconcentrationoftheanaerobicpooloutflowwaslowerthanthatofinflowundertheconditionofaddingthesuspendedmembranetotheanaerobicpoolandthelossofphosphoruswasfoundintheanaerobicpoolandthephenomenoncanbelongandrelativelystable．Thephosphorusbalanceanalysiswasfoundthattherewasacertainamountofphosphoruslossintheanaerobicsystemofcastingthehangandsuspendedfillersandthepresenceofphosphorusintheupperairwasdetected．Subsequentlyhigh-throughputsequencinganalysisofanaerobicsludgeandfillerswasusedasareferenceforthefutureresearchofdominantbacteria．KeywordsAnaerobicphosphorusremovalGaseousphosphideLowtotalphosphorusconcentrationDomesticsewage2018－01－270。PAOpoly-PhosphateAccumulatingOrganisms。PAODPBDenitrifyingPhosphorusＲemovingBacteriaDPB。1。PAODPB1923Barrenscheen2。1927Ｒudakov3。1988Devai30%～40%－GC/MS25%～50%4-5。2000Jenkins6。2008Liu、7。。2005、98201836、、6。20097。、。AAOAAOAAOAAOTP。。。11.11.1.1AAOAAO－－1Carrousel20001。0.3m3/d。COD350mg/LTN30mg/LNH+4－N20mg/LTP3.5mg/L。《》B。1AAOAAO1.44h0.018m32Carrousel20002.88h0.036m39.6h0.120m3。Carrousel20001.44h0.018m313.60h3.04h10.56h0.170m30.038m30.132m3。1.1.2AAOAAO+AAOAAO。+Carrousel2000。AAO0.3m3/d。AAO、AAO。AAO8%～10%。Turbed20mm。Turbed0.95kg/L。。≥95%。750m2/m3。1.209201836SS2.1.1。。AAOAAO。AAO0.3m3/d4000mg/L15d100%60%0.2mg/L0.5mg/L2～3mg/L22℃。。AAO8%～10%。24。。、、。22.1AAO30d、、。AAOTP、TN、NH+4－N、COD3、4。—■——○——★—。3AAO3、4AAOTP、TN、NH+4－N、COD《》BTN、NH+4－NCOD19201836—■——○——★—。4A。2.2AAO30d、、。AAOTP、TN、NH+4－N、COD5、6。5、6AAOTP、TN、NH+4－N、COD《》BTN、NH+4－NCODA。11TPTNNH+4－NCODAAO73.69%70.01%89.40%92.76%76.46%65.22%89.44%91.31%AAO70.69%71.39%88.92%93.75%71.74%64.80%90.11%92.95%1AAOAAO。TPTP。2.3TPAAOAAO、TPTP7、8。PAOsPAOs。PAOsTPTPTP。AAO+AAOTPTP7+TPTP8。AAOTPTP29201836—■——○——★—。5+AAO—■——○——★—。6+39201836—■——○——★—。7AAOTP—■——○——★—。8TP－0.668mg/L－0.639mg/LAAOTPTP0.783mg/L0.766mg/L。。8。DPB9。9。0.2mg/L。。TPTPTP4710-12。—■—AAO—○—。92.4。=TP－TP－TP。6L3LCOD、TN、NH+4－N、TP13mg/L26mg/L15%。2TPTPTP113.89mg/L492018362TPTPTPTPTP110.0711.17－8.70－6.29－14.9913.89218.8515.14－6.82－6.13－12.9516.66TPmg。216.66mg/L。3.3。AAOPAOs、TP。TPTPTP。TP3.3。。PAOsTP13－15。50mL0.5mol/LNaOH3000mL20%NaOH。pH2.010minNaOHpH7.0。。3。3TPTPmg/LTPmg/LNaOHTP201711246.783.751.51201711303.582.930.832017121615.1712.463.262017121812.7810.513.553。。。。2.5。DNA16SrＲNA。16SrＲNA338F/806Ｒ338FACTCCTACGGGAGGCAGCAG806ＲGGACTACHVGGGTWTCTAATPCＲ300～500bp。Illumina1210、1211。1—2—。101044Proteobacteria62.71%34.00%Actinobacteria6.87%16.75%Bacteroidetes7.56%15.46%Saccharibacteria7.38%10.33%Gemmatimonadetes1.56%6.72%Chloroflexi1.80%5.04%Parcubacteria2.37%3.41%Acidobacteria1.99%3.04%Firmicures2.08%1.55%Spirochaetae1.40%0.53%Cyanobacteria1.29%0.26%592018361—2—。114。Proteobacteria、Actinobacteria、Bacteroidetes、Chloroflexi、Acidobacteria、Firmicures、SpirochaetaeBacteroidetesAcidobacteria、Firmicures。BacteroidetesAcidobacteria。1155Tolumonas16.76%/Desulfomicrobium15.09%/Saccharibacteria6.10%9.71%Gemmatimonadaceae1.45%6.21%Micropruina0.78%4.55%Candidatus_Competibacter1.30%3.54%Zoogloea2.49%1.78%Haliangium1.00%3.68%Sulfurospirillum2.87%/Dechloromonas1.42%1.93%VadinHA171.01%2.18%Micrococcales1.28%1.77%Ｒhodobacter0.68%2.59%Methlocystaceae0.62%2.54%Desulfovibrio2.06%/Pleomorphomonas1.63%/Obscuribacterales1.23%0.23%。5Tolumonas、DesulfomicrobiumSulfurospirillumTPTP。MicropruinaObscuribacteralesObscuribacteralesMicropruina0.78%4.55%。PAOsPAOsTP·3.4TP=TP－－TPTPTP。692018363TPTP。TP。、、。1BortoneGSaltarelliＲAlonsoVetal．Biologicalanoxicphosphorusremoval-thedephanoxprocessJ．WaterScienceandTechnology1996341/2119-128．2BarrenscheenHBeckh-WidmanstetterH．UberbakteriellereduktionorganischgebundenerphosphorsaureJ．Biochem．Z1923140279-283．3ＲudakovK．DieＲeduktiondermineralischenPhosphateaufbiologischemWegeJ．Zentbl．Bakt．ParasitKdeAbt．II192770202-214．4DévaiIFelfldyLWittnerIetal．DetectionofphosphinenewaspectsofthephosphoruscycleinthehydrosphereJ．Nature19883336171343-345．5DevaiIDelauneＲ．EvidenceforphosphineproductionandemissionfromLouisianaandFloridamarshsoilsJ．OrganicGeochemistry1995233277-279．6DingLLiangHZhuYetal．Sourcesofmatrix-boundphosphineinadvancedwastewatertreatmentsystemJ．ChineseScienceBulletin200550121274-1276．7ZhouJLiuJChenYetal．PhosphorusＲemovalbyBiologicalＲeductioninAnaerobicSequencingBatchBiofilmＲeactorforTreatmentofMustardTuberWastewaterJJ．ChinaWater＆Wastewater200919004．8NgWOngSHuJ．Denitrifyingphosphorusremovalbyanaerobic/anoxicsequencingbatchreactorJ．Waterscienceandtechnology2001433139-146．9ZengＲJLemaireＲYuanZetal．Simultaneousnitrificationdenitrificationandphosphorusremovalinalab-scalesequencingbatchreactorJ．Biotechnologyandbioengineering2003842170-178．10