1,1,2,2(1.,210009;2.,210009):(H2O2),,pH7、100r/min、30%H2O22.5mL/L、2h,93%。,。:;H2O2;:X7:B:1674-4829(2010)03-0049-000,,,。10.1g()。、、,1~180mg/L,[1]。400t(500~600mg/L)。NaClO,6mg/L,(1000t/d),。,,,,。,。,,[2],[3],[4],[5]。Cu2+,Cu2+。,H2O2。11.11。11.230%H2O2,,,,。1.3(1)pH:pHSJ-4A;(2):(GB7486—87)。:2010-03-15:(1969),,,,,:.ExperimentandEngineeringApplicationonTreatmentofCyanide-containingWastewaterinLowConcentrationbyHydrogenPeroxideOxidationZHANGHong-yan,XIAOZhi,SHENLi-na,XUYan-huaAbstract:Cyanide-containingwastewaterinlowconcentrationwastreatedbyhydrogenperoxideoxidation.Theresultsindicatedthatmorethan93%removalrateoftotalcyanidewasachievedunderthefollowingreactionconditionsthatinitialpHvalueis7,motorstirringspeedis100r/min,30%H2O2dosageis2.5mL/Landreactiontimeis2h.Inpracticalengineeringapplications,thevalueoftotalcyanideintheoutletwasmuchlowerthanthenationalemissionstandard.Keywords:Cyanide-containingwastewaterinlowconcentration;H2O2oxidation;Engineeringapplicationmg·L-10.54.8ρ()5ρ(Cu2+)8.0pH126ρ(COD)23320106EnvironmentalScienceandTechnologyVol.23No.3Jun.201020106mg·L-110080604020000.511.522.533.54φ(H2O2)/(mL·L-1)/%2H2O21008060402000306090120150180/min/%4035302520567891113pH/%22.1H2O22.1.1pH,H2O2Cu2+,()[4]。Cu2+,。120min,100r/min,H2O20.25mL/L,pH。1。1,pH,,,。,。,(pH=7~8),Cu2+,H2O2,CN-。pH,,Cu2+Cu(OH)2,;,pHH2O2。,。2.1.2H2O2H2O2H2O2。pH7,120min,100r/min,H2O2,H2O2。2。2:H2O2,。:H2O2,、,,,。,。2.1.3:pH7,H2O22.5mL/L,100r/min,。3。3,H2O2。0~120min,,,120min,。2.1.4,。,pH7,H2O22.5mL/L,120min,,。2。2,100r/min93%,。2.2(1)H2O23。33,≤6mg/L,H2O21pH1pH21234/(r·min-1)050100200/%47.1787.3693.9693.963ρ(COD)1262580/%ρ()5.30.3293.96ρ(Cu2+)50.590502335(1),Cl-,COD,SS,,,。(2),,。(3)CAST,,,,,,,,,,。(4)CAST,,,,。,,,COD,NH3-N,SS,TP,90%。(5),,。[][1],.CAST[J].,2005(13):7-9.[2],,.[J].,2006,19(5):16-18.()93%,Cu2+90%,、。(2)pH7.0,H2O22.5mL/L,2h,100r/min。3,25d,5。:。,H2O2,99%,GB8978—1996《》,。4(1):pH7,100r/min,30%H2O22.5mL/L,H2O22h。5.30mg/L0.32mg/L,Cu2+90%。(2),、、。3.06~6.54mg/L0.10mg/L。[][1],.[J].,2005,27(4):24-25.[2],.[J].,2004,2(4):49-51.[3],.[J].,2003,25(4):245-246.[4],.[J].,2003,17(2):54-56.[5],,.[J].2002,22(3):25-29.()ρ()ρ()ρ()ρ()76543210ρ()/(mg·L-1)12345678910111213141516171819202122232425t/d1.510.50ρ()/mg·L-15(48)51