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22320116JournalofWaterResources＆WaterEngineeringVol．22No．3Jun．20112010-11-192011-01-071962-。200093－。。COD、94．38%、98．20%。0．85MPaTDS3500mg/L0．0086L/m2·hTDS＞4500mg/L。3．0～4．0mg/L150h0．04～0．07MPa。X781．2A1672-643X201103-0099-03StudyonhighsalinitychemicalwastewatertreatmentbyreverseosmosisYIXuenongFANYanhuaHONGDesongWANGFengSchoolofEnvironmentandArchitectureUniversityofShanghaiforScienceandTechnologyShanghai200093ChinaAbstractTakingthechemicalwastewatertreatedbytwophasecoagulation-ultrafiltrationasresearchob-jectthestabilityandeffectofreverseosmosisdesalinationprocesswereinvestigatedinthetest．Themembranepropertiesinfluencedbyoperatingconditionsandwastewaterqualitywerejudgedthroughde-salinationrateandpermeationflux．TheresultsshowedthatafterthestableoperationoftheprocesstheaverageremovalrateofCODandconductivitywas94．38%and98．20%respectively．Ataconstantpressure0．85MPawheninfluentTDSwas3500mg/Lthemembraneoperatingpropertiesweresteadyandfluxdecayratewas0．0086L/m2·hwhiledesalinationrateandpermeationfluxdeclinedsharplywithinfluentconcentrationincreasingasTDS＞4500mg/L．Theinputofinhibitordosagewas3．0～4．0mg/Lthepressuredifferencewasstableat0．04～0．07MPaandsystemstableoperationin150htheeffluentwaspartlymetthewaterqualitycriteriaofprocesswater．Keywordsreverseosmosishighsalinitychemicalwastewatermembranepermeationflux1－3。2．1t。、－UF－RO。4－6。COD、、。11．1、1。1CODcr、、、、。1．21。500L/h。AApH9．5PAC1RO℃NTUmg/Lμs/cm23．8～31．727．80．24～0．410．36pH7．05～8．827．83CODcr27．52～203．74112．40TDS2270～61303980．0CaCO3175．78～917．98446．88CaCO396．5～271．4183．95SDI0．53～2．7481．764190～128407210PAMAABNa2CO3PAMBPACPAMH2SO415min0．5μmRORORO。11．31．3．1。①②③34m2④4．1MPa⑤0．14MPa⑥99．7%。RO①2h②1min。。1．3．2PLC。、、。1．42100P、TDS、、pHHQ40dSDISDIEDTACODcr。22．1RORO≤15%。Ca2+、SiO2、Sr2+RO3．0～4．0mg/LMDC220RO。2RO83．6～261μs/cm97．3%～98．9%。≤5．77mg/LCa2+、Mg2+。2RO2．2ROKerry7。3ROCODcr27．52～203．7mg/LCODcrROCODROCODcr＜20mg/L。ROCODcrRO。2．3RO4TDS＞4500mg/L。0012011。398．56%98．20%TDS4500mg/L。2．40．85MPa、TDS3500mg/L2h10h13．93L/m2·h13．88L/m2·h0．36%JtJ=－0．0086t+13．939R2=0．989。5。。8－9。RO3ROCOD4TDS50．02～0．06MPa0．04～0．07MPa。RORO－UF。2．50．5m3/hPAC、PAM、Na2CO3、3．584/m30．225/m30．208/m34．071/m3。0．7/m36．5/m3。、。31COD、94．38%、98．20%CODcr≤20mg/L≤206．7μs/cmTDS≤88．5mg/L≤5．77mg/L。23．0～4．0mg/LMDC220150h0．04～0．07MPa。30．85MPaTDS3500mg/LJ=－0．0086t+13．939R2=0．9890．0086L/m2·h。1．J．20042051－4．2．J．200834490－92．3LeeJae-BongParkKwang-KyuEumHee-Moon．Desali-nationofathermalpowerplantwastewaterbymembranecapacitivedeionizationJ．Desalination20061961－3125－134．4．—J．200826380－82．5．－－MBRJ．2008341231－35．6．J．2009299929－934．7HoweKYC1arkMM．EffectofcoagulationpretreatmentonmembranefiltrationperformanceJ．AWWA2006984133－146．8TomKWilliamD．OptimizinganintegratedmembranesystemformunicipialwastewatertreatmentJ．Desalina-tion20082134－41．9．D．2007．1013