03磷酸铵镁沉淀法去除与回收废水中氮磷的应用研究进展

2007263CHEMICALINDUSTRYANDENGINEERINGPROGRESS3711,2222211008752100012X703A10006613200703037106RemovalandrecoveryofnitrogenandphosphorusfromwastewaterbystruvitecrystallizationHUOShouliang12XIBeidou2LIUHongliang2SONGYonghui2HELiansheng2(1SchoolofEnvironmentBeijingNormalUniversityBeijing100875China2ChineseResearchAcademyofEnvironmentalScienceBeijing100012China)AbstractRemovalandrecoveryofnitrogenandphosphorusfromwastewaterbystruvitecrystallizationwhichhastheadvantagesofhighremovalrateandrapidreactionrate.Moreoverstruviterecoveredfromwaterwaterisaslow-releasefertilizerandhashigheconomicbenefit.Thispaperpresentsthebasictheoryandtheinfluencefactorsofstruviteformationstruviteapplicationandtechnico-economicanalysis.Thestudytrendofthistechniqueisdiscussedintheend.Keywordsstruvitewastewatertreatmentnitrogenandphosphorusrecoveryinfluencefactors2060magnesiumammoniumphosphateMAPMAPstruviteMAP1MAPMAPMgNH4PO46H2O[1]5.0510144.361010[2]Mg2++NH4++PO43ˆMgNH4PO46H2OMg2+NH4+PO43MgOH+MgH2PO4+MgHPO4H3PO4H2PO4HPO42MgPO4NH3[3]20060712200609272005CB7242032002CB412302198101084915176200726372pHMAP[4]2MAP2.1pHpHMAPMAPpHpH9MAP[56]MAPpH9.010.7[7]MINTEQA2MAPpH8.5pH9.0MAPMAPpH711[2][8]MAPpH9.098%MAPpH8.91[9][10]Mg(OH)2H3PO4pH=91195%vanRensburg[11]NaOHpHMAPMAPpHMgBattistoni[12]pHMAPStratful[24]MAPMAPpH8.5Nelson[13]MAPpH8.99.252mg/LpH9.0MgP1.2129min85%pH8.48.79.03.7h17.9h112.3h1pHMAPMAPpHpH9.02.2MAPn(Mg2+)n(NH4+)n(PO43)111Mg2+PO43[8]MAPMgCl26H2ONa2HPO412H2On(Mg2+)n(NH4+)n(PO43)1.410.895%9.2mg/LJaffer[14]pH9.097%MAPn(Mg2+)n(PO43)1.05172%MAPOhlinger[15][16]MAPMgCl26H2ONa2HPO4pH8.65618mg/L65mg/LMgOH3PO45404mg/L1688mg/LMgO[17]MgCl2Na2HPO4MgSO4Na2HPO4MgOH3PO4Mg(OH)2H3PO4MgSO4H3PO4MgSO4Na2HPO486%Stratful[18]MAPMAPpHMAPpH2.3MAPMAP[19-22]FBRMAP[23]Kristell[24]pHXRDSEM-EDSMAPMAPMAP3373MAPMAPn(Ca)n(Mg)11MAPMAPMAP2.4MAPinductiontimeBonurophoulos[25]MAPStratful[24]1min60min180minMAP0.1mm0.8mm3mm1min180minMg2+PO434%MAPMAPMAPMAPMAPMAPMAP[2627]Battistoni[28]0.210.35mm58mm0.42mMAP1.43h80%94%[29]MAPpH[30]ImtiajAli[31]MAPMAPMAPMAPMAPMAP2.5Ohlinger[32]MAPCO2pHMAPMAP500r/min1.5pH2.6MAPMAPNH4+NH4+[33]MAPNH4+NH4+NH4+pHMAP[34]3MAPMAPpHMAP[23537]Uludag-Demirer[38]MAP95%Elisabeth[39]MAP94%61mg/L4mg/L60%pH8.542L/h320gMAPMAPMAP12.4%P9.1%Mg5.1%N39%200726374Calli[40]MAPn(Mg2+)n(NH4+)n(PO43)11198%MAP40mg/L20%CODOzturk[41]pH8.59.085%Battistoni[42]MAP80%Suzuki[43]MAPMAPMAP1mmMAPMAP95%MAPChimenos[44]MgOMgMAPMgOMgOMgO24g/LMgO5hpH8.5920hpH35mg/L230mg/L90%99%Lee[45]MAP10minMgCl2MAPMAP[46]Tonni[47]32605618mg/LMAP98%Bo-Bertil[48]MAPMAPMgOMAPMAP65%80%MAP4MAPMAP1kg1.71kg2.21kgNaOH7.59kgMAPMAPMAP1404604050MAP91885MAPpH[2]Shu[49]MAPMAP1000m31kgMAP100m3/dMAP2.6hm2MAP630ktP2O51.6%MAP[5051]5MAPMg2+NH4+PO43MAPMAP[1]DoyleJDPhilpRChurchleyJetal.Analysisofstruviteprecipitationinrealandsyntheticliquors[J].ProcessSaf.Environ.Prot.200078480488.[2]JamesDDoyleSimonAParsons.Struviteformationcontrolandrecovery[J].Wat.Res.20023639253940.[3]BouropoulosCChKoutsoukosPG.Spontaneousprecipitationofstruvitefromaqueoussolutions[J].JournalofCrystalGrowth20002(13)381388.[4]OhlingerKNYoungTMSchroederED.Kineticseffectsonpreferentialstruviteaccumulationinwastewater[J].J.Environ.Eng.33751999125730737.[5]SnoeyinkVLJenkinsD.WaterChemistry[M].NewYorkWiley1980.[6]BookerNAPriestleyAJFraserIH.Struviteformationinwastewatertreatmentplantsopportunitiesfornutrientrecovery[J].EnvironTechnol.199920777782.[7].pHMAP[J].2005(4)46.[8].[J].20056(3)6566[9].[J].()200419(2)12.[10].[J].20011(1)7376.[11]vanRensburgPMusvotoEVWentzelMCetal.Modellingmultiplemineralprecipitationinanaerobicdigesterliquor[J].WaterRes.20033730873097.[12]BattistoniPPavanPPrisciandaroMetal.StruvitecrystallizationAfeasibleandreliablewaytofixphosphorusinanaerobicsupernatants[J].Water.Res.200034(11)30333041.[13]NathanONelsonRobertLMikkelsenDeanLHesterberg.StruviteprecipitationinanaerobicswinelagoonliquideffectofpHandMgPratioanddeterminationofrateconstant[J].BioresourceTechnology200389229236.[14]JafferYClarkTAPearcePetal.Potentialphosphorusrecoverybystruviteformation[J].WaterRes.20023618341842.[15]OhlingerKNYoungTMSchroederED.Predictingstruviteformationindigestion[J].WaterRes.199832(12)36073614.[16].[J].199920(5)9092.[17].[J].2005(5)2729.[18]StratfulIScrimshawMDLesterJN.Conditionsinfluencingtheprecipitationofmagnesiumammoniumphosphate[J].WaterRes.200135(17)41914199.[19]AageHKAndersonBLBlomAetal.Thesolubilityofstruvite[J].J.RadioanalNucl.Chem.1997223213215.[20]WildDKisliakovaASiegristH.P–fixationbyMgCaandzeoliteAduringstabilizationofexcesssludgefromenhancedbiologicalPremoval[J].WaterSci.Technol.199634391398.[21]MombergGAOellermannRA.TheremovalofphosphatebyhydroxyapatiteandstruvitecrystallisationinSouthAfrica[J].WaterSci.Technol.199226987996.[22]BattistoniPFavaGPavanPMusaccoAetal.Phosphateremovalinanaerobicliquorsbystruvitecrystallisationwithoutadditionofchemicalspreliminaryresults[J].WaterRes.19973129252929.[23]BattistoniPPavanPCecchiFMataAlvarezJ.Struvitecrystallizationafeasibleandreliablewaytofixphosphorusinanaerobicsupernatants[J].WaterRes.20003430333041.[24]