超滤装置的化学清洗

2007(8)91:2007-04-02:(1979-),,,,,E2mail:liumishan126@.com,527217[],,,[];;;;[]TM621.8[]B[]10023364(2007)08009103,,,,,EDTA+,,,120032135MW,:(130m)AquasourceL1B35,1mm,0.01m21130t/h,80t/h,(),,1h1,::11/NTU0.250.35/NTU0.150.25/mgL-10.02/mgL-125/mV350450/L(m2h)-180130/kPa1530/th-1253023,922007(8)50kPa80kPa,30kPa,30t/h25t/h,122L/(m2h)86L/(m2h),0.25NTU0.3NTU,,2.1:EDTA,EDTA,,,,,,,22pH7.807.777.68/NTU0.320.200.25/gL-185.618.7159.3/mgL-10.030.023.0/mgL-10.610.461.16CODMn/mgL-11.421.262.31/Scm-190.389.9121.9/mmolL-10.850.821.16,(25)mg/L,,,;,10%,,,,,,,EDTA+,,2.2,,,pH(1)EDTA,1.0%EDTA,pH10.5,0.05MPa,3/4,1/41h1h(2)1%,pH3,(3)2L10%2t,50mg/L,,2.3(1),(5080)kPa,,;20t/h(2)pH,,,pH10.5,,(3),pH,,pH3.0,,(4),,,pH7,,10min,2007(8)932.4,,,0.17NTU,14.3g/L,110L/(m2h),,3,,,,3121,11,,,,,,,,4(1),;,(2)(3),,,,,,(4),(5),EDTA,pH,(6)pH2.0,12.0pH,pH(7),,(8),,(9)(),,,CHEMICALCLEANINGOFTHEULTRAFILTERSLIUQiongYuelongPowerGenerationCoLtd,Luoding527217,GuangdongProvince,PRCAbstract:Inordertoeliminatethepollutantsdepositedonthemembranetubes,achemicalcleaningoftheultrafiltershouldbecarriedout.Basedontechnologicalprocess,operationsituation,andwaterqualityfeaturesoftheultrafiltersinstalledinYuelongPowerGenerationCoLtd,combiningwithpracticalexperienceobtainedinchemicalcleaning.themethodfordeterminingthecleaningme2dicamentsandthecleaningcycledurationhavebeenputforward,andthecleaningtechnologyandpointsforattentionbeinggiven.Keywords:membranemethod;watertreatment;ultrafilter;pollutionofmembranetube;chemicalcleaning