合成氨废水资源化处理技术研究进展曾庆玲

2*100092。(1)(2)(3)()。、。X703Adoi10.3969/j.issn.1003-6504.2010.02.0231003-6504(2010)02-0095-04ResourcesReuseApproachestoSyntheticAmmoniaWastewaterTreatmentZHENGQing-ling,LIYong-mei*,GUGuo-wei,DONGBing-zhi(StateKeyLabofPollutionControlandResourceReuse,TongjiUniversity,Shanghai100092,China)AbstractCurrentdevelopmentoftechnologiesfortreatingsyntheticammoniawastewaterisreviewedwithparticularconcernsinresourcereusefromthewastewater.Threeapproachesaredescribedincludingammonia-nitrogenrecoveredasaqueousammoniafromthewastewater,ammonia-nitrogenconvertedinto(NH4)2SO4andhighefficiencybothinde-ni－trificationandammonia-nitrogenrecoverythroughstruviteprecipitation.Methodofstruviteprecipitationisintensivelyre－countedregardingprecipitantselection,dosingandthechemicalreactionthatleadstotheprecipitationwhichcouldbeusedinmanyfields.Keywordsammonia-nitrogen;aqueousammonia;ammoniumsulfate;magnesiumammoniaphosphate(MAP);struvite2008-11-01；2008－12－27“”(2008ZX07316-003);(20080440653)[e-mail]*[e-mail]。、、。、、、、、。pHpH。。、、、、。。、、EnvironmentalScience&Technology33220102Vol.33No.2Feb.201033[1]。。1。[2]2000~3000mg/L87.5%89%、。NH4+OH-。。、pH、、、、、。。。[3]NaOHNH4+、H+OH-NH3·H2OH+OH-NH4+OH-。7500mg/L4V、11L/h、60℃1.5h58.1%3h63.8%。2(NH4)2SO4。[4]。。、、。pH12NH4+、。5000~8500mg/L99%。。(PP)[5]。H2SO4pHNH4+NH3。。H2SO4(NH4)2SO4。≥99.4%。(NH4)2SO4。。3(MgNH4PO4·6H2O)struvite(magnesiumammoniumphosphate)MAP1.71。MAP。、、。、MAP20602090[1]。MAPMg2+、PO43-(HPO42-)NH4+962(MgNH4PO4·6H2O)NH4+。MgNH4PO4。pH[6-8]。3.1[9]。MAPMAPMAP。。MAP。MAP、1h。、。3.2pHpHMAP[10]。pH。。pHpHpH。pH7PO43-pH8.0~9.5pH9.5~11Mg(OH)2pH11,Mg3(PO4)2pH12Mg3(PO4)。pH8~10[11]。3.3、。(MgNH4PO4·6H2O)n(Mg2+)n(NH4+)n(PO43-)1∶1∶1。Mg2+、PO43-。。[9]。[12]MgCl2·6H2ONa2HPO4·12H2O(9500mg/L)n(Mg2+)n(NH4+)n(PO43-)=1.25∶1∶195%。Mg2+、PO43-。3.4MAPMg2+PO43-[11]。MgO、MgCl2、MgCl2·6H2O、MgSO4、MgCO3H3PO4、Na2HPO4、NaH2PO4、Na2HPO4·12H2O、MgHPO4·3H2O。54.4%~98.2%90%[13]4.4%~40.2%MgCO3MgCl218.3%[14]。[15]MAPMgHPO4(MHP)MAPMgHPO4。NH4ClpH、MHP。MHPMAPMAPMHP9733MgHPO4。。[16]。、、。(1)。。(2)Mg2+、NH4+、PO43-。(3)。、。(4)。(5)、(6)。(7)MAPMAPMAP。。4、COD、、。、。、。[][1].[J].,2008,31(2):92-94,147.ZhongJin-song,MinYu-shun,XiaoXian-ming.Anoverviewontreatmentofwastewaterwithhighconcentra－tionofNH3-N[J].EnvironmentalScience&Technology,2008,31(2):92-94,147.(inChinese)[2].[J].,2003,29(2):85-88.YangXiao-yi,JiangZhan-peng,PanXian-feng.Separa－tionofammoniaandwaterbymembranes[J].TechnologyofWaterTreatment,2003,29(2):85-88.(inChinese)[3].[J].,2007,27(2):61-65.ZhangMei-ling,YuDong-sheng,GuGuo-feng,etal.Re－searchontheremovaloftheammonium-nitrogenfrommonosodiumL-glutamatewastewaterbyionexchangemem－braneelectrolysis[J].MembraneScienceandTechnology,2007,27(2):61-65.(inChinese)[4].[J].,2008,24(3):39-42.HaoDa-ming,XieJin-ning.Applicationofhighammoni－a-nitrogenwastewatertreatmenttechnology[J].Petrochem－icalSafetyandEnvironmentalProtectionTechnology,2008,24(3):39-42.(inChinese)[5].[J].,2006,32(6):16-20.HaoZuo-li,WangAi-jun,ZhuZhen-zhong,etal.Treat－mentofammoniaandphenolinresidual-ammoniawastew－aterfromcokingmillbymembraneabsorptionprocess[J].TechnologyofWaterTreatment,2006,32(6):16-20.(inChi－nese)[6].[J].,2008,31(2):1-5.TangQi,LuoGu-yuan,JiTie-jun,etal.Simultaneousre－movalofnitrogenandphosphorusbymagnesiumammoniumphosphateprocess[J].EnvironmentalScience&Technology,2008,31(2):1-5.(inChinese)[7]RyuHong-Duck,KimDaekeun,LeeSang-Ill.Applicationofstruviteprecipitationintreatingammoniumnitrogenfromsemiconductorwastewater[J].JournalofHazardousMaterials,2008,156(1-3):163-169.[8]KarthikeyanObuliP,JosephKurian.Chemicalprecipitationofammonia-Nasstruvitefromlandfillleachateeffectofmolarratiouponrecovery[J].JournalofSolidWasteTech－nologyandManagement,2008,34(1):20-26.[9].[J].,2006,19(6):26-30,57.11198298XuYuan,JiangJing-dong,MaSan-jian,etal.Advancesintheapplicationofstruvitesedimenttowastewatertreat－ment[J].PollutionControlTechnology,2006,19(6):26-30,57.(inChinese)[10]PastorL,ManginD,BaratR,etal.Apilot-scalestudyofstruviteprecipitationinastirredtankreactor:Conditionsin－fluencingtheprocess[J].BioresourceTechnology,2008,99(14):6285-6291.[11].[J].,2008,28(6):5-8.ChenQi-hua,LuoDong-pu,LiangJiang-hao,etal.Removalofammonianitrogenfromwastewaterbymagnesium-am－monium-phosphatemethod:techniquestatus[J].IndustrialWaterTreatment,2008,28(6):5-8.(inChinese)[12].[J].(),2004,19(2):1-5.MuDa-gang,MengFan-ping,ZhaoYing,etal.Aprimarystudyonthepurificationofwastewaterwithammoniani－trogenofhighconcentrationbychemicalprecipitation[J].JournalofQingdaoUniversity(Engineering&TechnologyEdition),2004,19(2):1-5(inChinese)[13].[J].,2005,25(12):40-43.CuiZhi-guang,SunTi-chang,ZouAn-hua,etal.Recla－mationofammonianitrogeninfertilizerplantwastewaterbyusingprecipitation-air-flotationanditsmechanism[J].IndustrialWaterTreatment,2005,25(12):40-43.(inChi－nese)[14]GunayAhmet,KaradagDogan,TosunIsmail,etal.Useofmagnesitasamagnesiumsourceforammoniumremovalfromleachate[J].JournalofHazardousMaterials,2008,156(1-3):619-623.[15].[J].,2008,34(4):69-72.ZhaoTing,ZhouKang-gen,WangHao,etal.Studyonoptimalconditionsofabsorbin