不同曝气量下超声波对污泥沉降性能的影响黄书昌

、[1-2]。[3-4]。DO、pH、SRTFAFNA、[5-7]。[8-10]。、[11-12]。、DO、。DOAOBNOBDOAOB[7,13-14]。DODODO。20kHz、[15]。、[15]。[16-17]。。ZHENG27W/L73.9%72.8%[18]。ZHENGNOBAOB[19]。3.0、2.5、2.0、1.5L/min。11.1SBR3410003.0、2.5、2.0、1.5L/min。3.0、2.5L/min50W/LSVI、SVI250、300mL/gNH4+-N10mg/LCOD90%。2.0、1.5L/min100W/LSVI150mL/gSVI700mL/g。5.9、9.26mg/(L·g)0.6、6.41mg/(L·g)NH4+-N20mg/L60mg/L。。X703.1A1000-3770(2019)02-0111-0042018-[e-mail][e-mail]45220192TECHNOLOGYOFWATERTREATMENTVol.45No.2Feb.,2019DOI:10.16796/j.cnki.1000-3770.2019.02.0231113.5g/L。CODNH4+-N、TP300mg/L60、3mg/L。pH7.5～8.5。1.2SBR2SBRSBR4.25L50%。SBR25℃410min240min40min10min60min330min、50min3.0、2.5、2.0、1.5L/min。1.3JY88-IIN20kHz6mm1d。10mm“”1s1s20minSBR。1。1.4CODTIN、NH4+-N、NO2--N、NO3--N、MLSS[20]。EPS[21]。EPS-。22.1SVISVI1。3.0～1.5L/min。1SVI。30d2.5L/minSVI300mL/g。322.5L/min2.0L/minSVI650mL/gSVI150mL/g。。SVISVI。EPS[22]。DO。2.2EPSEPS、EPS、。[23]。246EPS。2EPS5.90、9.26mg/(L·g)0.60、6.41mg/(L·g)。5.244±0.8320.670±0.1169.264±0.9846.448±0.220246Tab.2Proteinandpolysaccharidecontentonday46/(mg·L-1·g-1)1－2021－3132－4950－6250501001003.02.52.01.51Tab.1Mainoperatingparameters//(L·min-1)/(W/L-1)1SVIFig.1VariationofSVIduringoperationalprocess0102030405060700.00.10.20.30.40.50.60.7
SVI/(Lg)t/d 452112EPS[24]。。。EPS。。2.3CODCOD2。2COD300mg/LCOD85%。CODCOD。23CODCOD。COD。2.43～5TIN。3～5TIN55%～0%、NH4+-N65～10mg/LNO2--N25.84～0.95mg/LNO3--N0.67～33.92mg/L。NH4+-N10～20mg/L10mg/L。NO2--N25.38～2.24mg/L。50W/L100W/L。NO3--N15mg/L。NO3--NNH4+-N52.08～67.03mg/L。NH4+-N35%～50%44NO2--NNO3--N。3100W/L。SVI150mL/gEPS2CODFig.2EffluentCODandremovalrate010203040506070010203040506070020406080100
COD/(mgL)t/d
/%3TINFig.3TINremovalrate0102030405060700102030405060
/%t/dFig.4NH4+-NFig.4ChangeofNH4+-Ncontentineffluentρ(NH4+-N)/(mg·L-1)010203040506070010203040506070
t/d5NO2--NNO3--NFig.5ChangeofNO2--NandNO3--Ncontentineffluentρ(NO2--N)ρ/(mg·L-1)ρ(NO3--N)01020304050607005101520253035

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