城市污泥中磷的释放与回收

33*210037X705Adoi10.3969/j.issn.1003-6504.2010.01.0201003-6504(2010)01-0080-05ReleaseandRecoveryofPhosphorusinMunicipalSludgeMEIXiang*CHENLinWANGZhaoWANGLeiDepartmentofEnvironmentalEngineeringSchoolofChemicalEngineeringNanjingForestryUniversityNanjing210037ChinaAbstractBasedonthesituationofphosphorusresourceinChinathenecessitiesofphosphorusrecoveryfrommunicipalsludgewereanalyzedfocusingonthenutrientsinmunicipalsludge.Theapproachestoreleasephosphorusfrommunicipalsludgeintoliquidphasewerediscussedincludingmicrobialdigestionthermaltreatmentanddosingdissolution.Theprinciplesandstatusforrecoveringphosphorusfromliquidphasewhichwasmadeasmagnesiumammoniumphosphatepotassiummagnesiumphosphateormagnesiumpotassiumsodiumphosphatebycrystallizationandcalciumphosphatedbyprecipitationwerereviewed.Theprospectsfortechnicalresearchdevelopmentandapplicationinphosphorusreleaseandrecoveryfrommunicipalsludgewerediscussed.Keywordsmunicipalsludgephosphorusresourcephosphorusreleasephosphorusrecovery27t7090%10~15201020[1-3]1P2O51%~3%0.78%~4.3%0.6%~0.8%[4]PAOsDPB1BNR[5]12[e-mail]&Technology33120101Vol.33No.1Jan.2010122.12.1.1[4]123VFAs[6]VFAsPAOsPHB-poly-P[7]Chen[8]EBPRPHB1.18mmol0.94mmol[9]350.54%15d118mg/L455mg/L[10]4%~5%3324.4mg/kgGB4284-1984[11-13]2.1.2[4]Ju[14]BNR20~80mg/LBNR60~130mg/LDO3~4mg/LDOpH4.0~6.0Borowski[15]20dNP200g/m32.2A/OSaktaywin[16]A/OA/OOO30.42L/minO320305090mg/L13mgO3/gSSPO43--P6mg/LAHPacid-hydrolyzablephosphorus12mg/L30mgO3/L30%2.3Liao[17]5min76%Takiguchi[18]701h70%~85%MLSS[19]1Table1ComparisonofactivatedsludgeBNRsludgeanddigestedBNRsludgeBNRBNRCOD1364015320442110801262028960399486207214333514283455317247686102739108275pH7.47.27.0mg/LpHmg/L8133SBR1hTPTP501h81.8mg/L3.72.4Liao[20]EBPR400mg/L90~100mg/L2~3hNaOH30h33.1MAPMgNH4PO46H2OMAP1939Rawn1963[5]MAPMg2++NH4++PO43-+6H2OMgNH4PO46H2OpH8.5~9.025pKs12.6[21]Wang[22]MAPpH9.0N/PJaffer[23]Mg2+PO43-1.31.0MAPShimamura[24]Yoshida[25]3.295%[26]K2O0.22%~0.44%[4]KMPKMgPO46H2O[26]MgCl2pHK++Mg2++HPO42-KMgPO4+H+MgCl2MgP=2175%11pH9.195%MgOpH9.0MgOMgP=111.52.03.3Mg2KNaPO4214H2OMgKPO46H2OMgNaPO47H2O[27]X-ABCABCBABCBAMg1H2O6NaH2O6BPO43-CMg2H2O6K+Na+821PO43-3.4G0Song[28]GSISI0G0PHREEQCVersion2.0CaHPO42H2OCa4HPO432.5H2OCa3PO42Ca5PO43OHCa5PO43OHHAP5Ca2++3PO43-+OH-Ca5PO43OHHAP25lgKsp=-58.52HAPSI[PO43-]5~50mg/LCa/P1.67SICa/PPO43-pH7.0~9.0Ca/P1.67[18]EBPR701hCa/P2185%[29-30]412345[][1].[J].20053461-4.CaoXian-junYangXiao-qinHeYi.AnalysisandsuggestionsonreasonabledevelopmentandutilizationofphosphateoreresourcesinChina[J].IM&P20053461-4.inChinese[2].[J].20069121-23.LiuZheng.SituationsandstrategiesondevelopmentandutilizationofphosphateoreresourcesinChina[J].JournalofChineseNonmetalOreIndustry20069121-23.inChinese[3].[J].2006466847-850.LiuZhengHuShan-yingChenDing-jiangetal.Input-outputanalysisofthephosphorusrecycleoftheChinesephosphorusindustry[J].JournalofTsinghuaUniversitySci&Tech2006466847-850.inChinese[4].[M]..2000.ZhangZi-jieLinRong-chenJinRu-lin.DrainageEngineeringSecondPart[M].fourthedition.BeijingChinaArchitecture&BuildingPress2000.inChinese[5]DoyleJDParsonsSA.Struviteformationcontrolandrecovery[J].WaterResearch2002363925-3940.[6]RandallAALiuY-H.Polyhydroxyalkanoatesformpotentiallyakeyaspectofaerobicphosphorusuptakeinenhancedbiologicalphosphorusremoval[J].WaterResearch2002363473-3478.8333[7].[J].200436111460-1462.ZhaoDanRenNan-qiChenJianetal.ResearchprogressandmicrobiologyprincipleonbiologicalNandPremoval[J].JournalofHarbinInstituteofTechnology200436111460-1462.inChinese[8]ChenYLiuYZhouQetal.Enhancedphosphorusbiologicalremovalfromwastewatereffectofmicroorganismacclimatizationwithdifferentratiosofshort-chainfattyacidsmixture[J].BiochemicalEngineeringJournal20052724-32.[9].[J].200319198-99.BiXue-junWangZhen-jiangYuPeng-xueetal.Controlconsiderationsonphosphoruscontentinvariousunitsofsludgetreatment[J].ChinaWater&Wastewater200319198-99.inChinese[10].[J].199925617-20.WangCaiHanChaoLiuXi-guangetal.Experimentalresearchonsludgedigestion[J].Water&WastewaterEngineering199925617-20.inChinese[11]BougrierCCarrereHDelgenesJP.Solubilisationofwaste-activatedsludgebyultrasonictreatment[J].ChemicalEngineeringJournal2005106163-169.[12]WangFLuSJiM.Componentsofreleasedliquidfromultrasonicwasteactivatedsludgedisintegration[J].UltrasonicsSonochemistry2006134334-338.[13].SBR[J].200831277-79.ZhaoJi-hongLiuNanLiuYong-de.ReductionofresidualsludgeinSBRbyultrasonictreatment[J].EnvironmentalScience&Technology200831277-79.inChinese[14]JuL-KShahHKPorteousJ.Phosphorusreleaseinaerobicsludgedigestion[J].WaterEnvironmentResearch2005775553-559.[15]BorowskiSSzopaJS.Experienceswiththedualdigestionofmunicipalsewagesludge[J].BioresourceTechnology2007981199-1207.[16]SaktaywinWTsunoHNagareHetal.Advancedsewagetreatmentprocesswithexcesssludgereductionandphosphorusrecovery[J].WaterResearch200539902-910.[17]LiaoPHWongWTLoKV.Releaseofphosphorusfromsewagesludgeusingmicrowavetechnology[J].JEnvironEngSci2005(4)77-81.[18]TakiguchiNKishinoMKurodaAetal.Ala