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`第22卷第2期2011年4月水资源与水工程学报JournalofWaterResources&WaterEngineeringVo.l22No.2Apr.,2011:2010-12-06;:2011-01-11:(1962-),,,,,:伊学农,洪德松,范彦华(,200093):-,CODcrTDSpH:,CODcr90%,TDS99%(GB50330-2002)97.53%:;;:X703.1:A:1672-643X(2011)02-0109-03ExperimentonthetreatmentofhighsaltywastewaterbyreverseosmosisandmembranepollutionanalysisYIXuenong,HONGDesong,FANYanhua(SchoolofEnvironmentandArchitecture,UniversityofShanghaiforScienceandTechnology,Shanghai200093,China)Abstract:ThispaperstudiedtheeffectsofthetreatmentofthereverseosmosisonCODcrTDSandtheinfluencesoftheoperationpressure,temperatureandpHonthetreatmentefficiencyintheROsystem.Undertheoptimaltechnicalconditions,theremovalefficiencyofCODCrwasmorethan90%andtheTDSwas99%.Themembranefluxwasrecoveredto97.53%bychemicalcleaningandhydraulicrinse.Keywords:reverseosmosis;highsaltywastewater;membranepollution,,,CODTDS,,[1]-,(RO)CODTDS,pH1试验方法1.1FR11-4040::8.3m3/d;:3.6m3/h;:7.9m2;:4.14MPa;:0.1MPa;:99.5%1,UF,6,,,,1.2,11RO,1.3(TDS)pHHQ40d;(CODcr)1RO,NTU,mg/L25.4~31.50.24~0.41pH6.43~11.7CODcr68.09~190.88TDS2000~70007.72~9.632结果与讨论2.1,,[2]TOCDOCCODUV2544[3]CODRO2:CODcr68.09~190.88mg/L,,RO,CODcr20mg/L,COD80%2COD2.224~32,,1.20MPa,pH7~83,,21.02m3/d23.47m3/d,99.28%98.69%,,;,,,,,(),,,,,,,,,,,3,30,,24~30,32.3pH1.20MPa4,pH7.5~8.0,pH10pH,,pH,CO32-HCO3-CO2,,,HCO3-,,2.45,TDS,,,6dpH,,,10d,,,4pH5110水资源与水工程学报2011年2.5TDS5,,,,,6,,,99.23%98.86%TDS6000mg/L,,,,6TDS2.6,,[4~5],,,,,pH(12),,77:,4h57.88%,pH,Ca2+Mg2+1.0%EDTA0.1%2h,RO,97.53%73结语(1),CODTDS90%,99%(2)pH,,:[1]SchaferAI,FaneAG,WaiteTD.Foulingeffectsonre-jectioninthemembranefiltrationofnaturalwaters[J].De-salination,2000,131:215-224.[2]HoweKY,C1arkMM.EffectofcoagulationPretreatmentonmembranefiltrationperformance[J].JofAWWA,2006,98(4):133-146.[3],.[J]..2007,38(4):98-101.[4],.[J].,2008,26(9):1159-1162.[5],,,.[J].,2005,31(11):16-19+26.111第2期伊学农,等:反渗透处理高含盐废水的实验研究与膜污染分析