FeC微电解法去除制药废水中磷试验研究雷春生

10Fe/C1211.2131642.213163Fe/C。4~680.0%~85.9%496.0%~99.4%COD。Fe/CX703Adoi10.3969/j.issn.1003-6504.2010.10.0381003-6504(2010)10-0169-0PilotStudyonPhosphorusRemovalfromPharmaceuticalWastewaterbyFe/CMicro-electrolysisLEIChun-sheng1WANGGui-yu2WANGKan11.DepartmentofEnvironmentalandSecurityEngineeringJiangsuPolytechnicUniversityChangzhou213164China2.ChangzhouYoubangWaterPurificationMaterialsInc.LtdChangzhou213163ChinaAbstractFe/Cmicro-electrolysiswasusedtotreatphosphorus-producingpharmaceuticalwastewaterandcomparedtothemethodforaddingirondirectly.Experimentalresultsshowedthatfor4to6hafteraerationinacidicconditionsFe/Cmicro-electrolysiscouldremove80.0%~85.9%oftotalphosphorus.Addingaerationfor4hthenadjustingaerationtoalkalineconditionsremovalrateoftotalphosphoruswasupto96.0%~99.4%.RemovalefficiencyoftotalphosphorusbyFe/Cmicro-electrolysisismuchhigherthanthedirectremovalbyaddingironandFe/Cmicro-electrolysiscanremoveCODCrtoacertainextent.KeywordsFe/Cmicro-electrolysispharmaceuticalwastewaterphosphorusremoval。、、、、[1-3]。[4]。-。90%。、BOD10mg/L[5]。。。[6][7]。。1、、、、、[7]。FeFe-2e→Fe2+EθFe2+/Fe=-0.44C2H++2e→H2EθEθH2+/H2=[e-mail]。EnvironmentalScience&Technology3310201010Vol.33No.10Oct.201033O2+2H2O+4e→4OH-EθO2/OH-=0.40Fe2+Fe3+。pHFe3+FeOH3、[12]。22.1PCl3pH=2TP100~400mg/LCOD=8000mg/L~20000mg/L。2.2、ACO、、、722、、。、、2mol/LNaOH。2.3PPR20L。1%0.51mol/LNaOH1%5180°C。。33.15L1.5：1.0[7]1pH1。16pH2685.9%6pH24.830.7%。。-Fe2+Fe3+pH4.7pE24.9-3pHFeOH3pH4.7pE15.5-pHFeOH2+FeOH3FeOH2+FeOH3FeOH2。3.25L1261.5：1.0[7]4NaOHpH6.0、7.0、8.0、9.0、10.011.0pH2。292.9%~99.4%pH6.0~9.0pH9.0pHpH=7.0pH43.8%~78.4%pH6.0~9.0pH9.0pH。117010。H2PO4-HPO42-PO43-pH8.6FeOH3、FeOH+FeOH2-FePO4Fe3PO42。3.3CODTPCOD。4pH=9.01。1CODTPTable1TheInfluenceofDifferentinfluentConcentrationsonremovalefficiencyofCODandTPCODTP(mg/L)(mg/L)(%)(mg/L)(mg/L)(%)1161001340016.77396.06.9298.252267002170018.73165.01.3699.1834850373023.09274.01.9599.2948340578030.70128.61.6598.72510900744931.66148.61.8598.7666503420035.4174.90.8098.9374540352822.29104.01.2698.7984598355022.79190.31.5099.21Fe/C1TPCODTP74.9mg/L~396.0mg/LTP0.80mg/L~6.92mg/L98%100mg/L。41。5~685%pH=9.099%pH7.5。2。。3TP100mg/L。。[][1].[J].2006291218-19.XiaHong-sheng.Experimentalstudyonphosphorusre－movalbyelectrode-biologyprocess[J].EnvironmentalSci－ence＆Technology2006291218-19.inChinese[2].[J].200528357-59.ZhangHui-lingLiLiang-huaYiJiang-min.Removalofphosphatefromaqueoussolutionbyelectrocoagulationandkineticsanalysis[J].EnvironmentalScience&Technology200528357-59.inChinese[3].[J].200323333-35.GuXiao-hongHuangZhong-maiYuQi-yi.Thestatusofwastewaterphosphorusremovaltechnologyanddevelop－menttrends[J].RenewableResourcesResearch200323333-35.inChinese[4].[J].200323556-58.XuFeng-guoLuoJian-zhong.Presentandprospectsofthechemicallyremovalofphosphorusfromwastewater[J].In－dustrialWaterTreatment200323556-58.inChinese[5].[J].2002231023-27.DingWen-ming,HuangXia.Progressofstudiesonphos－phorusremovalfromwastewaterbyadsorbents[J].Tech－niquesandEquipmentforEnvironmentalPollutionControl2002231023-27.inChinese[6].[J].200218342-45.DengYan-xiXuHongHuangLingetal.Applicationofsteelslagintheprocessofphosphoruswastewatertreatment[J].Non-ferrousMiningandMetallurgy200218342-45.inChinese[7].[J].,2006316100-102.ChenMinChengGangLiYanetal.Studyofmicro-electrolysisprocessforthetreatmentofphosphoricwastewater[J].EnvironmentalScienceandManagement2006316100-102.inChinese171