磁处理对有机污水COD影响的实验研究

:2003-12-20:(1978-),,,,.:(97003).376200412()EngineeringJournalofWuhanUniversityVol.37No.6Dec.2004:1671-8844(2004)06-051-04COD李莉红,雒文生(,430072):COD,COD,,,.,;,,;,,COD.:;;COD;;:X52:AExperimentalresearchoneffectofmagnetictreatmentonCODoforganicsewagesLIL-ihong,LUOWen-sheng(StateKeyLaboratoryofWaterResourcesandHydropowerEngineeringSciences,WuhanUniversity,Wuhan430072,China)Abstract:Thispaperdealswiththeeffectofdifferentmagneticintensitiesonthechemicaloxygendemand(COD)ofdifferentorganicsewagecomponents.TheresultsshowthattheCODofdifferentorganicsewagecomponentscouldbedecreased.Withthemagnetictreatmentimpact,thedissolvedoxygenofthetapwaterandthemunicipalsewagealsocouldbedecreasedandthedissolvedoxygenofthedeionizedwatercouldnotbechanged.Theexperimentalresultsareanalyzedasviewedfromthreepoints:thefirstisthat,withthemagneticfieldimpact,theairoxidationabilitycouldbeaccelerated;thesecondisthattheorganicsubstancewouldtrendtoinstabilityduetotheabsorptionofmagneticener-gy;andthethirdisthattheradicalpairreactioncouldbeacceleratedinthemagneticfield.Keywords:magnetictreatment;organicsewage;chemicaloxygendemand;oxidationoperation;radicalpairtheories,.,.,,.(),,BODCOD,.,,,.,,,,[1].1,[2],BODCOD,COD20%,BOD45%,,,.1.,;,;.,,,,.,1,:B=0.0525I,B,T;I,A.1,,COD,2.1T/A012345678(1)00.05200.10600.15800.21000.26300.31600.37000.3990(2)00.05250.10500.10500.21100.26200.31600.37000.4000(3)00.05200.15000.10500.21000.26200.31500.36800.40002CODmg/LB/T00.05250.10500.15750.21000.26250.31500.36750.420020191817.617.016.816.616.816.4534846444443.544454453.15149484745424243656160575549465151197191.6198.4187.5193.0189.9181.1192.5184.510910599101969186901151141121121111041021061071009593.693.288.883.282.283.683.2199197182188187182181182181:COD,2COD,20%,,60.0525T.,52()2004[2].,,3.,,,.:,,.,,.3mg/LB/T00.05250.10500.15750.21000.26250.31500.36750.42008.98.98.98.98.99.08.98.98.912.111.611.811.711.411.711.611.911.83.43.13.23.13.12.82.62.52.6,,,,COD,4:,COD,.4CODB/T00.1050.210.315COD/mgL-1110109109108/61505900560054252,,,,,,.CH,,,.,,,,,,,,[3],.,,,,,,.23.3,(UV)-(PM-UV),(0.1T),[4].[5],COD.(,).,,,,.,.,.,,.536:COD,,,.(S)(T+T-T0).,.(S)(T+T-T0);ST0[6,7].,T0S,,,.,,,pH[2],[8].[9].,,,,.4,COD,,.,,,;,,;,,COD.:[1],.[J].1999,12:27-29.[2].[D].:,1998.[3],,.[J].,2002,12:301-306.[4],,,.-[J].,2002,9:458-464.[5]WilliamJ,RodG.SpecificPhototransformationofXenobiot-icCompounds:ChlorobenzensandHalophenols[M].Wash-ingtonDC:AmericanChemicalSociety,1987.[6].[M].:,1985.[7],.[M],:,1997.[8],,.[J].(),1995,31(2):160-162.[9]HigashitamiK,OkuharaK,HatadeS.Effectsofmagneticfieldsonstabilityofnonmagneticultrafinecolloidalpart-icales[J].JColloidInterfaceSci,1992,152(1):125-131.54()2004