过氧化氢氧化法处理低浓度含氰废水的研究_黄仕源

201331201507、pH。。3.7mg/L0.96g/LpH92.5h91.2%。。TＲEATMENTOFLOWCONCENTＲATIONCYANIDEWASTEWATEＲBYHYDＲOGENPEＲOXIDEOXIDATIONHuangShiyuanZhouMinWangXiaoqingXuYanQuXianWaterＲesearchCentreofShanghaiChemicalIndustryParkShanghai201507ChinaAbstractThepilot-scaleexperimentwasmeanttotreatlowcyanidewastewaterbyhydrogenperoxideoxidation．ItwasexaminedthattheeffectsoftheconcentrationofhydrogenperoxidereactiontimeandreactionpHontotalcya-nideremovalefficiency．Theresultsindicatethatalltheparametershadanoptimalvalue．Withintheexperimentalrangethetotalcyanideremovalefficiencycouldreach91．2%underthefollowingoperatingconditionsTotalcya-nideconcentration=3．7mg/Lhydrogenperoxideconcentration=0．96g/LpH=9reactiontime=2．5h．Throughlaboratory-scaleexperimentbothhydrogenperoxideandsodiumhypochloritecanwelltreatlowconcentrationcyanidewastewater．Howeverthechemicalfeeforhydrogenperoxideislowerthanthatforsodiumhypochlorite．Keywordshydrogenperoxidecyanidesodiumhypochlorite0、、、1。2。GB8978—1996。、、、、、3。、。4。、、、、。5。、。。。6、7、Fenton8、9－10。CNO－11。。。、2。pH、。52201331。11.1。2～6mg/LpH7.2～8.9。3－、14－、。1.21。。31m3/h。11。33。pHpH。。3m3。2m3。、。pH。22.1pHpH。pHpHpH＞10。3.2mg/L0.75g/L2h。pH2。2pH2pH。pH6.38.57.8%84.4%。pH。pH8.888.9%。pH9.290.1%。。。12。。pH、pH。pH9。2.22.8mg/LpH92h。3。310.33g/L20.33g/L0.96g/L89.2%30.96g/L。622013313。0.96g/L。2.33.7mg/LpH90.96g/L。4。440～2.5h21.3%91.2%2.5～4h。。。。。2.5h。2.4200mL250mL。4.23mg/L0.83g/LpH82h94.1%。3.49mg/LpH11.5、1h、10%2.5mLpH8、1h、10%2.5mL91.1%。90%。pHpH。。。。。10%900/t27.5%4000/t。25/m310/m3。。。31、pH。3.7mg/L0.96g/LpH92.5h91.2%。2。310/m325/m3。5372201331。3BCOCOD———5.8kg/m3·dCOD88%～97%UASBCOD。UASB-BCO100mg/LGB8978—199610。51UASB-BCOCOD。2COD。3、UASBCODUASB。4BCOBCO。1．2002.J．．332230－235．2．J．200031129－31．3．J．．200172101－103．4．J．2002213292－294．5．/UASB/J．200925866－68．6．UASB－－－J．2011371250－53．7．UASB－J．201038115821－5824．8．J．200829367－69．9．－－J．200626383－86．10GB18918—[e-mail]2012－11－02274。1．J．201023349－51．2．J．20112129179－182．3．J．2009291086－88．4．J．201026352－55．5AntonioPinedaArellanoCMartinezSS．Indirectelectrochemicalox-idationofcyanidebyhydrogenperoxidegeneratedatacarboncathodeJ．InternationalJournalofHydrogenEnergy200732153163－3169．6．TiO2J．．2005374569－572．7．J．201132356－59．8．UV-FentonJ．201142321－23．9．－J．201132256－59．10．J．200622187－91．11KitisMKarakayaEYigitNOetal．Heterogeneouscatalyticdegra-dationofcyanideusingcopper-impregnatedpumiceandhydrogenper-oxideJ．WaterＲesearch20053981652－1662．12SarlaMPanditMTyagiDKetal．OxidationofcyanideinaqueoussolutionbychemicalandphotochemicalprocessJ．Jour[e-mail]2012－08－2735