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40820158ENVIRONMENTALSCIENCEANDMANAGEMENTVol.40No.8Aug.20152015-07-071981-。1674-6139201508-0106-04111211.2120012.212001。SS。PAM。X705AOptimizingControlofSludgeThickeningandDewateringProcessinMunicipalSewageFactoryDongJinbo1ZhangLei1ChenHengbao1ChenBin2XuLiqun11.ZhenjiangWaterIndustryCorporationZhenjiang212001China2.ZhenjiangWaterSupplyandDrainageDepartmentZhenjiang212001ChinaAbstractSludgethickeningdewateringisoneimportantpartofenergysavingandconsumptionreducingofmunicipalsewagefactories.Itwillincreasetheconcentrationofsludgeresidualsandimprovetheeffectivenessflocculants.InkeepingastablesludgeconcentrationofaeratedzonethehighestsludgeconcentrationofsettingzonewasobtainedbasedondailyexperimentaboutSV30andthenthelowestsludgerefluxratiowasdeterminedviamaterialbalanceandtheobservationofsurfaceofsettingzoneandeffluentSSinordertoachievethehighestreturnedsludgeconcentrationandimprovesludgethickeningdewatering.Theopti-maldosageratioofPAMfordifferentsludgeconcentrationwasobtainedbyexperimenttoaddflocculantsdynamicallyoptimizethedosageandachieveenergysavingandconsumptionreducing.KeywordssludgethickeningdewateringsludgerefluxratioPAMoptimaladdingratiooptimizingcontrol1.8%~3.0%199.2%~99.6%、2。。3。、。1BIOLAK。4。。1。·601·40820158·Vol.40No.8Aug.20151PAM。。PAM。PAM。。22.1PAM。MLSS、F/M、SRT、SV305。MLSSMLSS4g/L。RQXr=1+RQX1Q—m3/dR—Xr—g/LX—MLSSg/L。MLSSXr=fR=1+RRX=4×1+RR2XrRXrmaxXrmax36Xrmax=103SVI·r=XSV30·r=4.8SX303SVI—mL/gr—、、1.2SV30—30min。22XrR。SV30SV3025%~40%SV30Xrmax2RminRRmin·701·40820158·Vol.40No.8Aug.2015。RXrSSSSRminR。2.2。BIOLAK。7。PAMPAM。38g/L10g/L。3。80%。8g/L10g/LPAM32.5g/m336g/m3。4AVoptiAmopti。AVoptiAVopti4。AmoptiPAM。AVopti=aXr+b4AVopti—PAMg/m3a—2.6b—12.2。44PAM。510d。10d20.4%。·801·40820158·Vol.40No.8Aug.2015510d31SS。2PAMPAM10d20.4%。1.J.20082118-9.2.J.2010355106-109.3.J.2008312108-111.4.J.201136190-94.5.A2/OJ.2013292169-71.6.M.2000171-172.7.PAMJ.2012242檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴檴105-108.83412、NH+4-N、CODMn84%、81%、74.5%<1.0NTUNH+4-N<0.5mg/LCODMn<1.0mg/L3。1.J.201531124-27.2.J.201540431-33.3.-J.2015411116-119.4.J.201430937-40.5SongAnanLiuXLiuYetal.Fateoforganicpollu-tantsinafull-scaledrinkingwatertreatmentplantusingO3-BACJ.Ozone-Science&Engineering2015373257-268.6./J.2014301818-22.7.J.201436173-79.·901·
本文标题:城镇污水厂污泥浓缩脱水的优化控制研究
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