SynergisticeffectofPESAandotherscaleinhibitorYuRong,FangPing,CuiXinshui,LinMingxu(CollegeofEnvironmentalandChemicalEngineering,Xi’anPolytechnicUniversity,Xi’an710048,China)PESA,,,(,710048)[]PESA,,PESA。,PESAAA/AM/MAHEDP;,PESAPASPPBTCA。PESA。[];;[]TQ085[]A[]1005-829X(2010)04-0069-02Abstract:ThesynergisticeffectofPESAandsomeotherscaleinhibitorshasbeenstudiedbasedonthestaticin-hibitingscaleexperiments.TheresultsshowthatthesynergisticeffectofPESAanddifferentscaleinhibitorsisdif-ferent,whentreatedwithdifferentscales.Forcalciumcarbonatescale,synergisticeffectoccurswhenPESAactswithAA/AM/MAorHEDP,andforcalciumsulfatescale,synergisticeffectoccurswhenPESAactswithPASPorPBTCA.TheresultsofthetestprovidereferencesfortheapplicationofPESAtoindustrialfields.Keywords:polyepoxysuccinicacid;scaleinhibition;coolingwater(PESA)、,,,,,〔1-3〕。,,,〔4〕。PESA,,PESA,,,。,22,。,,,〔5〕。PESA。11.1(PESA),35%,;(PASP),46%,;(HEDP),50%,;2--1,2,4-(PBTCA),50%,;//(AA/AM/MA),35%,。1.21.2.1CaCO3CaCO3:Ca2+(CaCO3)900mg/L,HCO32-(CaCO3)250mg/L,pH=8.5,(80±2)℃,10h。1.2.2CaSO4·2H2OCaSO4·2H2O:Ca2+(CaSO4)6800mg/L,SO42-(Na2SO4)7100mg/L,pH=7.0,(70±2)℃,6h。30420104IndustrialWaterTreatmentVol.30No.4Apr.,201069——2010-04,30(4)1.3250mL,,。EDTA,(1)。=C1-C0C2-C0×100%(1):C1———,mg/L;C2———,mg/L;C0———,mg/L。22.1CaCO32.1.1CaCO3PESA、PASP、HEDP、PBTCA、AA/AM/MA,CaCO3,1。1,PESACaCO3PASP、PBTCA,2,,PESA,3mg/L,PESAHEDPAA/AM/MA,5mg/L,PESA86.3%。2.1.2PESACaCO35.0mg/L,PESA0、1.0、2.0、3.0、4.0、5.0mg/L,PESAPASP、HEDP、PBTCA、AA/AM/MA,CaCO3。2。2,PESAPASPPBTCACaCO3;PESAHEDP,PESA86.3%91.8%;PESAAA/AM/MA,m(PESA)∶m(AA/AM/MA)2∶397.3%。2.2CaSO4·2H2O2.2.1CaSO4·2H2OAA/AM/MA、PESA、PASP、PBTCA、HEDP,CaSO4·2H2O,3。3,PESACaSO4·2H2OHEDP,,,12mg/L,PESA87.2%,。2.2.2PESACaSO4·2H2O5.0mg/L,PESA0、1.0、2.0、3.0、4.0、5.0mg/L,PESACaSO4·2H2O。4。(74)70——2010-04,30(4) [](1969—),1991,。:029-86376369,E-mail:yurong365@163.com。[]2009-12-08()3—UASB—。1#,:(1)PAC、PFSCPAM,,。:PAC80mg/L,PFS800mg/L,CPAM15mg/L,pH6.8~7.2。(2),。HRT48h,COD0.5~0.6kg/(m3·d)。38~40℃,,pH7.2。(3)>27h,DO≥3.0mg/L,COD≤100mg/L,≤5mg/L,《》(GB8978—1996)。[][1].[D].:,2004.[2].[D].:,2004.[3].[D].:,2003.[4].-[D].:,2004.[5].[D].:,2005.[6].[D].:,2007.[7].[M].4.:,2002:543-545.[8].[M].:,1998:509-557.[9],,.[J].,2003,25(1):39-42.[10],,.[J].,2002,33(5):30-33.[11],,,.[J].,2005,28(1):60-62.[12],.[J].,2002,3(11):43-46.[](1984—),,2009,。:021-54747412,E-mail:hhsjtu@gmail.com。[]2009-12-07()(70)4,PESAHEDPCaSO4·2H2O;PESAAA/AM/MA;PESAPASP,,PASP78.2%82.6%,PASP;PESAPBTCA,m(PESA)∶m(PBTCA)=3∶2,PESA35.4%79.2%。3PESA,、,。PESA,,,;,。CaCO3,PESAAA/AM/MA,PASP、PBTCA;CaSO4·2H2O,PESAPBTCA,HEDP。[][1],,.[J].,2004,24(12):46-49.[2]RobertsonJJ.Methodofcontrollingfluoridescaleformationinaqueoussystems:US,5705077[P].1998-01-06.[3],,,.AA/AM/MAPESA[J].,2008,27(3):25-27.[4].[M].:,2000:143.[5],,,.[J].,2002,22(12):24-26.74——