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:2005-11-29;:2006-02-10。:(1979-),,,,。:“”(:2004BA313B-17)。- 1,2, 1,1(1.,130021;2.) -。,CODNH3-N。、CODNH3-N。NaCl500mg/L、10mA/cm2、18mL/min,40min,COD20mg/L,NH3-N3.02mg/L,2.18kWh/t,。,。: 1 ,,、。、、,。,COD、BOD、(NH3-N)、、,[1]。,,COD30mg/L,5mg/L,、,,,,[2]。COD,,,,COD。,,、,、、。,,。“”,,、、[3]。COD[4,5],,COD,、、、、、pH、、、。、,-,,。2 1,-、、。,pH,,,10mg/L,。,,,。 20067 PETROLEUMPROCESSINGANDPETROCHEMICALS 377 1 2。,6×6cm2,Ti/Ru-Ti-Sn[6],Ti,,COD。、,COD、,,,COD。2 1—;2—;3—;4—;5—;6—/(3),,,,,。3 1—;2—;3—;4—;5—;6—;7—;8—;9—;10—(),LZB-3。,。NH3-N,COD751COD,,721E,pHPHS-25pH,DDS-11C。,,,,1。1 ρ(COD)/mgL-1≤37.5ρ(NH3-N)/mgL-1≤47.70/NTU≤28.45/Scm-1≥900ρ(Cl-)/mgL-1≤28.24:W=IUt:W,kWh;I,A;U,V;t,h。3 3.1 “、、”(“”),,、,。、、、、,、、、、NH3-N,COD,,,pH,,,COD,,[7]。,,15mg/L。2、。2,,,47.70mg/L12.08mg/L,,COD、。2 ρ(COD)/mgL-1≤37.5≤35.0≤35.0ρ(NH3-N)/mgL-1≤47.70≤12.91≤12.08/NTU≤28.45≤28.45≤11.08/Scm-1≥900≥900≥900ρ(Cl-)/mgL-1≤28.24≤28.24≤28.24 :。3.2 3.2.1 COD COD637 .- 3。Ti/Ru-Ti-Sn,COD、、。,,COD。,。、,COD,20mA/cm2,COD7mg/L,。,,,,COD,6mL/min,COD5mg/L。3 CODρ(NaCl)/mgL-1/mAcm-2/mLmin-1ρ(COD)/mgL-1100101033200101030300101028400101024500101015500510335002010750010655001015205001020303.2.2 NH3-N ,,。,,,(Cl2+HOCl+ClO-),/[8]。4、5、6、、[9]。4,,,,,500mg/L,50min。5,,,,。4 ,:1—100mg/L,2—200mg/L,3—300m/L,4—400mg/L,5—500mg/L;:10mA/cm2;:12mL/min5 ,:1—5mA/cm2,2—10mA/cm2,3—20mA/cm2;:500mg/L;:12mL/min,6。,12mL/min6mL/min,18mL/min,。(6mL/min),,,,,,6 ,:1—6mL/min,2—12mL/min,3—18mL/min,4—24mL/min;:10mA/cm2;:500mg/L64 2006 37 ;,,,,。3.2.3 CODNH3-N 4,NaCl500mg/L,10mA/cm2,CODNH3-N。4,12mL/min,30min,COD20mg/L,NH3-N,3.3kWh/t;18mL/min,40min,COD20mg/L,NH3-N3.02mg/L,2.18kWh/t。,。4 CODNH3-N/mLmin-1/minρ(COD)/mgL-1ρ(NH3-N)/mgL-1/kWht-16402006.68212302003.31840203.022.1824100304.811.643.3 CODNH3-N,,,11.08NTU,,0.53NTU,5。5,COD14mg/L,NH3-N1mg/L。5 ρ(COD)/mgL-1151416ρ(NH3-N)/mgL-1111/NTU11.080.5360.25 :1.0MPa,18L/h16L/h。4 (1),-,,COD37.5mg/L14mg/L,NH3-N47.70mg/L1mg/L,28.45NTU0.53NTU,COD30mg/L,NH3-N5mg/L,1NTU。(2),;、、COD;。 1 ,,..,2002,28(2):52～562 ,.COD.,2001,3:1～53 KJüttner,UGalla,HSchmieder.Electrochemicalapproachestoenvironmentalproblemsintheprocessindustry.Electrochim.Acta,2000,45:2575～25944 ,,.COD.,2004,35(6):31～345 ,,..,2004,24(4):36～386 ,,.Ru-Ti-Sn/Ti.,2003,3:149～1507 ..:,2002.196～2208 ,,.Ti/PbO2.(),2005,43(3):358～3629 ,,..,2005,24(2):146～149STUDYONTHEREFININGWASTEWATERTREATMENTOFCOMBINEDELECTROCHEMICALOXIDATIONANDULTRAFILTRATIONPROCESSXuHong1,LiuDejia2,JiangMei1,LinHaibo1(1.DepartmentofPhysicalChemistry,CollegeofChemistry,JilinUniversity,Changchun130021;2.PetroChinaQianguoPetrochemicalCompany)Abstract Aprocessofcombiningelectrochemicaloxidationandultrafiltrationfortreatingthe657 .- refiningsecondaryeffluentwasstudiedandtheoveralltreatingefficiencyofthecombinedprocesswereassessedintermsofCOD,NH3-Nandturbidityreduction.ItwasconcludedthattheelectrochemicaloxidationmethodcouldeffectivelydegradedtheCODandNH3-Ninthewastewater.Thechlorideionconcentration,currentdensityandflowrateaffectedtheremovalofCODandNH3-Nintheeffluentgreatly.Thetestresultsshowedthatwithasodiumchlorideconcentrationof500mg/L,acurrentdensityof10mA/cm2andaflowrateof18mL/min,afterelectrolysisfor40minwithanelectricityconsumptionof2.18kWh/t,theCODandNH3-Noftheeffluentwerereducedto20mg/Land3.02mg/L,respectively,whichmettherequirementsofwastewaterreuse.Treatingrefiningsecondaryeffluentwithsaidcombinedprocessprovidedapromisingfutureforreusingthewastewaterinrefinery.KeyWords:electrochemistry;oxidationprocess;ultrafiltration;biologicaltreatment66 2006 37