超声吹脱处理印染废水中氨氮的研究彭人勇

33266042pH、、。100W30℃pH150min90.78%30%~40%。。X791Adoi10.3969/j.issn.1003-6504.2010.10.0371003-6504(2010)10-0166-06RemovalofAmmoniaNitrogeninDyeingWastewaterbyUltrasoundStrippingPENGRen-yongCHENKang-kangLIYan-linSchoolofEnvironmentandSafetyEngineeringQingdaoUniversityofScienceandTechnologyQingdao266042ChinaAbstractExperimentsofremovalofammonianitrogenfromdyeingwastewaterbyultrasoundstrippingwerecarriedout.InfluencingfactorsontheremovalrateofammonianitrogenincludingpHvaluetemperatureandultrasonicpowerwereinvestigated.Resultsindicatedthatremovalrateofammonianitrogenreached90.78%undertheoptimalconditionsasultrasonicpower100Wtemperature30℃strippingtimesof150minandnochangingofpHvalueofdyeingwastewater.Comparisonwithtraditionalstrippingprocessremovalrateofammonianitrogenincreased30%~40%throughultrasonicstrippingprocess.Mechanismofammonianitrogenremovalbyultrasoundstrippingisthatammoniamoleculesinthecavitationsbubblestransformedintonitrogenmoleculesandhydrogenmoleculesviapyrolysisunderhightemperatureandhighpressureinthecavitationsbubbles.Masstransferspeedofammoniaincreasesundersupercriticalconditionemergingfromultrasoniccavitationsandeasierreleasefromwastewaterbystripping.Keywordsultrasoundstrippingdyeingwastewaterammonianitrogenmechanism、。、。、[1-2]。。、、[3]。。pH、、。1pH13280mg/LCOD8320mg/LBOD5789mg/LBOD5/COD=0.095。1.1、、[e-mail]*[e-mail]。EnvironmentalScience&Technology3310201010Vol.33No.10Oct.201010、、、、、。。KQ-500DE、pHPHS-2FpH、SP-780、CPR-B31.21000mLNaOHHClpH、。1.3pHpH-CODBOD5。22.1pH1330℃150min1。100W100W90.78%100W。。。。[4]。。2.2pH100W30℃pH150min2。pH。NH3+H2O→NH4++OH-pH。pHNH4+。pH。2.3100WpH150min3。20℃76.02%30℃90.78%。。、、。。40℃30℃。30℃。167332.41L、100W30℃4。90min83.02%。。。0.2~0.3μm0.5~1.0mm10~104[5]。。。2.5[6]。U。100W30℃pH1L、、30min。0mg/L30mg/L12mg/L。。2.6。、。1900-5200K50MPa109K/s[7]400km/h。。。[8]。1L0.0mmol、1.0mmol、2.0mmol100W30℃150min83.02%、82.98%、83.07%。。1.0mmol。2.0mmol。。31。pH13100W30℃150min90.78%30%~40%25mg/L。2pH、、3。。。20416833168[][1].GRFe2+[J].200831647-50.LiuZhan-mengBaoDong-jieLiJing.Degradationofa－zodyeacidbrilliantscarletGRwithultrasoundunderFe2+[J].JournalofXi’anUniversityofTechnology200831647-50.inChinese[2].[J].200821A0296-100.XiaoPei-pingXieYong-hongZhangYa.Researchandapplicationontreatmentprocessofprintinganddyeingwastewater[J].EnvironmentScienceandTechnology200821A0296-100.inChinese[3].[J].200676110-112.WangSong-linLiaoLiWangYan-songetal.Removalofammonia-nitrogeninlandfillleachatebyultrasoundirra－diation[J].TechniquesandEquipmentforEnvironmentalPollutionControl200676110-112.inChinese[4].[M].2004.SunDe-zhi.AdvancedOxidationProcessinEnvironmentalEngineering[M].BeijingChemicalIndustryPress2004.inChinese[5]YiJiangChristianPetrierTDavidWaite.Kineticsandmechanismsofultrasonicdegradationofvolatilechlorinatedaromaticsinaqueoussolutions[J].UltrasonicsSonochemistry200249317-323.[6]MohammadHEntezariAbbasHeshmatiAliSarafraz-yaz-di.Acombinationofultrasoundandinorganiccatalystremovalof2-chlorophenolfromaqueoussolution[J].Ultra－sonicsSonochemistry2005712137-141.[7]SupenoPeeterKruus.Sonochemicalformationofnitrateandnitriteinwater[J].UltrasonicsSonochemistry20007109-113.[8].MnOx/GAC[J].2007237106-108.SuiMing-haoMaJunShengLi.Discussiononmecha－nismofMnOx/GACheterogeneouscatalyticozonationpro－cessfororganicpollutantsdegradation[J].ChinaWater&Wastewater2007237106-108.inChinese[A].、[C].2004:220-222.MiMing-jieHuangMing-jian.Coordinationbetweenen－vironmentalresourcessectorallaw—fromtheperspectiveoflawsandregulationsrelatedtoforest[A].ResourceConserva－tionandLegalConstructiononForestryForestandWildlife[C].ChongqingChina'sEnvironmentalResourceLawSem－inar2004:220-222.inChinese[4].[J].2007,273523-24.XiongWen-zhaoZhangBu-feng.Non-standardfromtherightpartition[J].OutlookNewsweek2007,273523-24.inChinese[5].[J].2006,264133-35.JiangYong.Avoidingexpandingofsectoralinterest[J].Out－lookNewsweek2006,264133-35.inChinese[6].[D].2007.DongHua.LegislationonConsummateofDomesticEnviron－mentalAdministrativeSystem[D].Harbin:NortheastForestryUniversity2007.inChinese[7].———、[M].1997131.GuanBao-ying.OrientationoftheValueofAdministrativeLaw—EfficiencyProcedureandHarmony[M].BeijingChinaUniversityofPoliticalScienceandLawPress1997131.inChinese[8].[J].1994,1129-11.GuanBao-ying.Legalizationofmarketeconomyandad－ministrativeassistance[J].AdministrationandLaw1994,1129-11.inChinese[9].[J].200824662-65.LiJi-wan.Presentsituationsproblemsandcountermea－suresofinterdepartmentalcoordinationmechanismofChi－nesegovernment[J].JournalofShantouUniversity200824662-65.inChinese[10].[J].20071751-8.YangZhao-xia.Thedefectionofenvironmentadministra－tionsystemanditsperfectioninChina[J].JournalofKun－mingUniversity20071751-8.inChinese!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!204