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82060“”COD、、。、、、[1-2]。[3]。pH9~10pH=2－3Fe-CpH=5－6CaOH2Na2CO3pH=6.6－7.5、TDSAO。。11.11。1.2、、H2SO498%IRNa2CO3IRCaOIRK2HPO4ARCIR＜20。《》2010-07-202011-05-30“”2008ZX07208-004-11984-xsr84@163.com*。EnvironmentalScience&Technology34820118Vol.34No.8Aug.2011,.-AO[J].,2011,34(8)5-8.XuShi-rongShiChang-liChenHong-linetal.MicroelectrolysisandAObiochemicalmethodinlowtemperatureenvironment[J].EnvironmentalScience&Technology,2011,34(8)5-8.-AO1,21111*1.6100412.6370004~13℃Fe：C=10：1、pH=1.5Fe-CCOD19.7%B/C0.2360.571。Fe-CCOD123.1mg/L·d。COD2000mg/LCOD58.55%54.5mg/L。Fe-CFe-CFe3+Fe-C“”。Fe-CAOX703Adoi10.3969/j.issn.1003-6504.2011.08.0021003-6504(2011)08-0005-04MicroelectrolysisandAOBiochemicalMethodinLowTemperatureEnvironmentXUShi-rong1,2SHIChang-li1CHENHong-lin1CAOWei-ping1FENGYu-jun1*1.ChengduInstituteofOrganicChemistryChineseAcademyofSciencesChengdu610041China;2.NanchongServiceCentreEconomicDevelopmentZone,Nanchong637000,ChinaAbstractInlowtemperatureenvironmentof4~13℃withiron-carbonmicroelectrolysisCODremovalefficiencyofcokingwastewatercanreach19.7%atFe：Cof10：1andpH1.5.Biodegradabilityofwastewaterwasimprovedevidentlyfrom0.236to0.571andgoodconditionsforfollowingbiotreatmentwerecreated.ResultsoftheanaerobictreatmentofpretreatmentwithFe-Cwasthesamewiththatreplenishthedilutionwaterwithnaturaldegradationrateas123.1mg/L·dinlowtemperatureenvironment.CODremovalrateof58.55%wasbeyondthenormalactivatedsludge54.5mg/Linaerobicstage.WithcontrollingtheperformancestandardandconcentrationofFe3+themethodofusingFe-Ctocombinewithbiochemicaltreatmentwillbeanenvironmentalfriendlytreatmentprocesstodealwithcokingwastewater.Keywordslowtemperatureenvironmentiron-carbonmicroelectrolysisAObiochemicalmethodcokingwastewater34pHLIDAPHS-25CM-02CODOxiTopBODWTW。1.31.3.1Fe-C1。准×h＝6×22cm。Fe：C＝10：1。pH=1.5pH=5.5。。4~13℃17~23℃。1.3.2pH7.0~7.51：＝1：0.11：0.31：0.51：0.81：1、。Fe-C：＝0.3：119.0℃4~13℃2。pH7.0~7.5。CaONa2CO3pH6.5~7.0。1.3.31、Fe-C：＝0.45：1pH5.68~8.60300L/min。5~12℃Fe-C。1.3.4Fe-CAOpH、COD、BOD5AO《》。pHpHBCODBBOD5A。22.1Fe-CCOD、B/C。BOD5/COD。3#COD＝12800.0、BOD5＝3027.0、B/C＝0.235pH=9.4H2SO4pH=1.54~13℃Fe：C＝10：116pH=5.52。24~13℃Fe-CTable2Theresultoftheiron-carbonmicro-electrolysisat4~13℃mg·L－1ηCOD1#2#3#BOD53027.06485.05761.05418.75888.219.7%B/C0.336COD12800.010399.010159.510400.010319.5B/C0.2360.6230.5670.5210.5711Table1ThewaterqualityconditionpHCOD/mg·L－1BOD5/mg·L－1NH3-N/mg·L－1B/C19.003449.6984.3875.00.285()210.5011376.02270.2957.00.199()39.4012800.03027.0/0.235()49.266748.51252.014573.70.185()58.785816.02002.0182.00.344()6817~23℃COD＝10428.0mg/L8COD＝3744.6mg/LηCOD＝64.1%。[1]“”pH=5COD＝3320mg/LpH=8.753COD＝2900mg/L、pH=7.8、ηCOD＝12.7%。COD39%。[4]Fe-CCOD35.5%B/C0.01~0.060.24～0.6。COD19.7%B/C0.2350.571。[5]Fe：C＝10：1、pH=1.6、25℃3hCOD41%。Fe-CCOD[H][6]。Fe-CCOD。2.2Fe-CFe-C11#、2#：＝0.3：1pH7.0~7.53。3Fe-CTable3Theresultoftheanaerobicafteriron-carbonmicroelectrolysis/d6d8d11d22d1/℃18.519.516.413.09.5、、pH=6.5~7.0TDS18.1g/L215g/LCOD/mg·L-112348.411637.312194.811836.510519.02/℃4.55.26.07.28.5COD/mg·L-17319.07928.48241.07842.66517.6-AO[7]6~11COD12118.5~19.5℃13.0~4.5℃[8]21COD2123H2SO4pH=2~4pH=6.5~7.0AOTDS、、Fe2+、Ca2+、Na+。TDS0.18~0.6g/L5g/LTDS8.1~15g/LFe2+、Fe3+[9]Fe3+35~100mg/L1COD21。13℃1COD119.8mg/(L·d)8～2226.0~8.5℃123.1mg/L·d9.2~11.20℃102.5~140.0mg/(L·d)。2.3Fe-CFe-C1：0.45300L/min。COD4。4COD1125.8~2558.4mg/L1#、2#ηCOD＝58.3%~58.8%[8]4Fe-CTable4Theresultoftheaerobicafteriron-carbonmicro-electrolysis/hCOD/mg·L－1/η%101125.806~11℃1877.42.92735.619.73469.458.3202558.406~11℃12484.02.922055.019.741053.858.8302406.205~10℃12194.48.821652.431.351385.042.4402568.208~12℃12502.82.622480.83.431730.832.641310.649.0506260.006~12℃15281.015.634242.432.27346.6~11℃ηCOD＝53~55%CODη＝54.5%[7]Fe-C。5COD。[9]ηCOD[10]。2.4Fe-C/、COD、TDSFe-CFe-CAOFe-C。1。Fe-CFe2+→Fe3+Cu2+、Zn2+、Ni2+。[11]。Fe-C。2Fe-C。TDSTDS20~50。。。。3Fe-C。FeCl3、Na2CO35%~10%ηCOD≥80%。Fe3+5~10mg/L[11]。Fe-CFe3+。。ηCOD。3Fe-C4~13℃COD19.7%17~23℃64.1%B/C0.2360.571。COD。TDS8.1~15g/L。Fe-C。、。4.5~13℃5~12℃Fe-CCODCOD123.1mg/(L·d)Fe-CCOD102.5~140.0mg/(L·d)。COD2000mg/LCOD58%Fe-CCOD54.5%。Fe-C、Fe-CFe3+。CODFe-CAO“”。[][1].—[M].,2008,817-18.MaLu-ming.CatalyticReductionofWastewaterTreatmentTechnology-PrinciplesandApplications[M].Beijing:SciencePress2008,817-18.inChinese[2].[J].200331447-50.ZhangChun-yongShenXun-weiZhangJingetal.Re－searchonferric-carbonmicro-electrolysisintreatingmixedpesticideswastewater[J].JiangsuChemicalIndustry200331447-50.inChinese[3].[J].20022271-5.WangYe-yaoYuanChan-xiaoTianRen-jie.Advancesintheresearchoncokeplantwastewatertreatment[J].In－dustrialWaterTreatment20022271-5.inChinese[4].[M].:,2007,3343-352.QuJiu-huiLiuHui-juan.PrincipleandTechnologyofElectrochemicalWaterTreatment[M].Beijing:SciencePress2007,3343-352.inChinese[5].—EGSB[J].200929836-38.ZouHuanZhangYi-boChengZi-bo.Studyonthetreatmentoffumaricacid-containingwastewaterbyiron-carbonmicroelectrolysis-EGSB[J].IndustrialWaterTreat－ment200929836-38.inChinese[6].[J].2004108935-36.ZhangShu-yanChengLi-huaCaoWei-xiang.Treatmentofpesticideswastewaterbyferric-carbonmicroelectrolysismethod[J].ChemicalEngineer2004108935-36.inChi－nese[7].[M]