DBD1,2,2,1(1.,230009;2.,230031)[],COD,。:、、COD、BOD5。、;269000mg/L79500mg/L;COD28250mg/L2883mg/L;BOD57769mg/L2463mg/L。,3d,COD2833mg/L853mg/L。[];;;[]X703.1[]A[]1005-829X(2015)09-0060-05ResearchonthedegradationofindustrialwastewatercontainingoxadiazonbyDBDcryogenicplasmatechniqueZhaoYing1,2,ChenLongwei2,YaoRisheng1(1.SchoolofMedicalEngineering,HefeiUniversityofTechnology,Hefei230009,China;2.InstituteofPlasmaPhysics,ChineseAcademyofSciences,Hefei230031,China;)Abstract:Inthiswork,theoxadiazon-containingwastewaterhasbeendegradedbycryogenicplasma.TheinfluencesofdifferentinletgasformsanddifferentelectricitydischargingpoweronCODdegradationeffectarecompared.Theresultsprovesthatcryogenicplasmahaspositiveinfluencesonthereductionofthecontentoforganicmatter,colour,COD,BOD5andsalinityofindustrialwastewater.Itisfoundthatthecolorofthewastewatercouldbeturnedfrompalmredtocolorless;itsodourcouldbeturnedfrompungentsmelltoinodorous;thesaltcontentcouldbereducedfrom269000mg/Lto79500mg/L;theCODcouldbedegradedfrom28250mg/Lto2833mg/L,andtheBOD5couldbedecreasedfrom7769mg/Lto2463mg/L.Thebiodegradabilityoftheplasma-treatedwastewaterisim-provedobviously.TheCODoftheplasma-treatedwastewaterisfurtherreducedfrom2833mg/Lto853mg/Lafterathreedaysbiologicaltreatment.Keywords:plasma;oxadiazon;industrialwastewater;degradation、,。,、、、、,,,〔1〕。、,、、、。C15H18Cl2N2O3,1。12,4-,、、、、、、、、、,〔2〕。〔3〕,[](21272236;11205201)35920159IndustrialWaterTreatmentVol.35No.9Sep.,201560:,、;,,。,〔4-5〕,Fenton,COD85%,,。〔6〕,,,〔7〕。,DBD〔8〕,,。1,。:COD28250mg/L,BOD7769mg/L,SS200mg/L。,,,pH1.3,DMF、、,、、、〔2-3〕,1。122.1(DBD)、、,2。Ar(99.99%)O2(99.99%),、(D07-7B,Sevenstar),2DBD,,(CTP-2000K,20~70kHz,Vmax=20kV,PlasmaGenerator),,·OH、O·、O3、H2O2。(BJ600-2J,Longerpump),,CO2、H2O。2.2(pH=1.3),Fe2+,Fe(OH)3,NaOH(pH11.5),,,,DBD,DBD。60mL,15L/h,O2Ar40mL/min。、,5min,40W,,,300min,30min(1.5mL),。COD;(50、72、98W)COD;、COD、TOC、BOD5、pH、EC25,22,4--5-2,4--5-DMF、2,4--5-Fe2+2015-09,35(9),:DBD61。(20)。2,40mL40mL()200mL,4mLODPY(100mL+1mLODPY,,30℃12h),,3d,COD〔5〕。33.1COD,。,,,、。,(72W)300min,COD28250mg/L12800mg/L,54.7%。,ArO2,,(O3、·OH),,,。300min(72W),COD28250mg/L2833mg/L,89.97%。:300minCOD。3.2COD(50、60、72、98W),300min,COD。:300min,COD7655、5355、2833、2986mg/L。,72W。3.3COD、TOC、BOD5COD,USEPA。,COD28250mg/L18500mg/L,34.51%。DBD(,72W),COD3。3COD3,COD2833mg/L。180minCOD4100mg/L,85.49%,;240minCOD89.55%,300min89.97%,。TOC,:TOC14761mg/L2270mg/L,COD。TOCCOD4。4TOCCOD4,TOCCOD,y=0.50056x+538.41177,R2=0.99445。BOD5HJ505—2009GB/TCODPHOTOLAB-6100Spectroquant誖TR320EC25DDS-320TOCMultiN/C2100pHpHpHS-3DBOD5—WSL-22015-09,35(9)62,BOD57769mg/L2463mg/L,68.3%。DBD,B/C0.280.68,,。COD3。3COD3,,3d,COD2833mg/L852mg/L。3.4、———(WSL-2)。(Y10.0,R1.9),(Y20.0,R4.5),,(Y20.0,R4.5)(Y5,R0.4)、(Y1.0,B1.0)、(Y0.1)(Y0.0,R0.0,B0.0)。UV5。5UV5,200~250nm,250~350nm,λmax260、304nm,,λmax=304nm,120minλmax=304nm;260nm;30min,200~250nm,。,DBD,(),,180min,,()。,,,CO2、H2O(NO3-)。、、,。DBD,,。3.5pH、,pH1.311.51,DBD,pH10.85,,pH。,(EC25)。,NaOH,,EC25260mS/cm349mS/cm;DBD150min,,,,CO2H2O,,,EC25:150~240min,,COD,,159mS/cm;240min,,。(TDS)〔8〕:TDS=K×EC25(K0.77,EC25μS/cm,TDSmg/L),269000mg/L79500mg/L,70.4%。4COD,DBD;/d0123COD/(mg·L-1)28331254.29118522015-09,35(9),:DBD63!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!。,,;、;、;。,Cu2+,;,;,。,DBD。[1],.[J].,2001,21(10):1-4.[2].[D].,2009.[3].[J].,2010,39(8):1212-1214.[4].[D].,2013.[5].ODPY[D].,2012.[6]ChenL,WeiY,ZuoX,etal.Theatmosphericpressureairplasmajetwithasimpledielectricbarrier[J].ThinSolidFilms,2012,521(43):226-228.[7]ChenYinsheng,ZhangXinsheng,DaiYingchun,etal.Degradationof4-chlorophenolinaqueoussolutionwithpulsedhigh-voltagedis-chargeplasma[J].JournalofChemicalIndustryandEngineering(China),2003,54(9):1269-1273.[8],.[J].,2009,29(1):18-20.———————————[](1983—),,。E-mail:21801096@qq.com。:,,。E-mail:rshengyao@163.com。[]2015-07-16(),pH3,8h,LangmuirFreundlich。QmaxQmax,,。,。[1]WongYuxing,YuJian.Laccase-catalyzeddecolorizationofsyntheticdyes[J].WaterResearch,1999,33(16):3512-3520.[2]FuYuzhu,ViraraghavanT.Fungaldecolorizationofdyewastewaters:areview[J].BioresourceTechnology,2001,79(3):251-262.[3]RamakrishnaKR,ViraraghavanT.Useofslagfordyeremoval[J].WasteManage.,1998,17(8):483-488.[4]RobinsonT,McMullanG,MarchantR,etal.Remediationofdyesintextileeffluent:acriticalreviewoncurrenttreatmenttechnologieswithaproposedalternative[J].BioresourceTechnology,2001,77(3):247-255.[5]FigueiredoSA,BoaventuraRA,LoureiroJM.Colorremovalwithnaturaladsorbents:modeling,simulationandexperimental[J].Se-arationandPurificationTechnology,2000,20(1):129-141.[6]ThevannanA,MungrooR,NiuCH,Biosorptionofnickelwithbarleystraw[J].BioresourceTechnology,2010,101(6):1776-1780.[7]vanDriesselB,ChristovL,AdsorptionofcolourfromableachplanteffluentusingbiomassandcellwallfractionsfromRhizomucorpu-sillus[J].JournalofChemicalTechnologyandBiotechnology,2002,77(2):155-158.[8],,.[J].,2007,27(1):125-128.[9]LangmuirI.Theconstitutionandfundamentalpropertiesofsolidsandliquids[J].JournaltheFranklinInstitute,1917,183(1):102-105.[10]KadirveluK,NamasivayamC.Activatedcarbonfromcoconutcoir-pithasmetaladsorbent:adsorptionofCd()fromaqueoussolu-tion[J].Advance