废水同步生物处理与微生物电解池产氢的研究进展

309现代化工Sep.201020109ModernChemicalIndustry废水同步生物处理与微生物电解池产氢的研究进展王利勇1,叶晔捷1,陈英文1,祝社民2,沈树宝1(1.南京工业大学制药与生命科学学院,江苏南京210009;2.南京工业大学材料科学与工程学院,江苏南京210009):(MEC),,MEC,MEC,:;;:TQ035;TQ116.2:A:0253-4320(2010)09-0031-05AdvancesinbiologicalwastewatertreatmentandsimultaneouslyhydrogengenerationfromorganicwastewaterbymicrobialelectrolysiscellWANGLi-yong1,YEYe-jie1,CHENYing-wen1,ZHUShe-min2,SHENShu-bao1(1.NationalEngineeringResearchCentreforBiochemistry,NanjingUniversityofTechnology,Nanjing210009,China;2.CollegeofMaterialScienceandEngineering,NanjingUniversityofTechnology,Nanjing210009,China)Abstract:Hydrogenproductionbymicrobialelectrolysiscell(MEC)iscapableofconvertingchemicalenergypresentedinorganicwastewaterintocleanhydrogenenergywithaccomplishmentofwastewatertreatmentssimultaneously,whichpossiblycapturesconsiderableenvironmentalandeconomicbenefits.ThemechanismandcompositionofMECaresummarized.ThekeymaterialsandcoretechnologiesofMECarereviewedanditspotentialapplicationisproposed.Keywords:biohydrogenproduction;microbialelectrolysiscell(MEC);wastewatertreatment:2010-05-28:/9730(2009CB724700);(KF2009003);(2008ZX07101-003);(2007020);(39708014):(1985-),,;(1957-),,,,,,,025-83587349,[e-mail],,,[1-2](microbialelectrolysiscel,lMEC),MEC,MEC,[3-4]MEC(MFC),MECMEC))),1MEC111,,,(PEM),1图1微生物电解池及工作原理112MECMFCMECMFC,,MFCMEC#31#现代化工309:¹MECMFC,,ºMECMFC[5],MFC,,,MEC,»MFC,MEC,,,MEC,MEC,,MEC¼MECMFC,MECMFC,MFC,MEC113MEC11311氢气转化率MEC,YH2,$CS(g),MS(g/mol),:YH2=nH2MS$CS,nH2,(VH2):nH2=VH2PRT,P,atm(1atm=105Pa);R,R=0108314L#atm/(mol#K);T,K,,COD[mg(H2)/mg(COD)]:YH2=nH2MH2VL$COD,MH2(g/mol),VL,$COD(mg/L)CODCOD11312库仑效率MEC,,CE,1A1C,1A=1C/s,,nH2,cat:nH2,cat=Qtt=0Idt2F,I;F,F=96485C/mole-CODnH2,COD(mol):nH2,COD=beO2VL$COD2MO2,beO21mol;MO2(32g/mol),:CE=nH2,catnH2,COD11313氢气回收率rH2,COD,:rH2,COD=nH2nH2,CODrH2,cat,:rH2,cat=nH2nH2,cat11314能量效率MEC,MECGE,GE100%[6]:GE=WH2WE=nH2$HH2Qtt=0(IEps-I2Re)dt,WH2(kJ);WE(kJ);$HH2(285183kJ/mol);Eps(V)#32#20109:;Re(8)MEC,MEC,,,,,50%~70%,,11315氢气产率Q[m3/(m3#d)]:Q=3168@10-5IVTrH2,cat,3168@10-5[20];IV(A/m3),IV=ImaxVL,Imax2MEC,3MEC,pHMEC,MEC,MEC211MEC,,,,,,MFC,MEC21111以碳为基体的阳极[7][8][9]MECMFC,,Wang[10]MFC,,,21112石墨电极,MFC,[11][12][6,13]MECFeng[14]MFC,,212MEC,(),,MEC[15]MEC,,[16-17][7][18][19][20]MEC,,,,21211含铂催化剂的碳阴极,MEC,,E-TEKMagnetoSpecialAnodesAlfaAesar,,10%()5%Nafion,24h,019V,,1156m3/(m3#d),,,,()[21],21212含过渡金属的碳阴极,,MEC#33#现代化工309Zhao[22]2,(FePc)(CoTMPP),2Cheng[23]CoTMPPFeCoTMPP,MEC,,40%~80%21213金属阴极,MECNi-W-P,MEC,019V,1109m3/(m3#d),,Ni-W-P,Hu[24],016V,210m3/(m3#d),33%,15%213(HFC)[25],2(),2MFCMEC,,,MECMEC,MEC,,,,(CEM)(AEM)(Bipolarmembrane)MEC:¹;º:¹,pH,pHºMEC,,MEC3MECMEC,,pH,MEC,,(15~35e),50~60e,15e,MEC,,pH,,pHCallLogan[16],715mS/cm20mS/cm,013~016V,,016V,Oh[26],pH(pH=612),MEC,MEC,,MEC4MEC,,,MEC,MEC3:(1)MEC,,,;(2)MEC,MEC;(3)MEC,MEC,,#34#20109:[1]MustafaB,MehmetB.Politica,leconomicandenvironmentalim-pactsofbiomass-basedhydrogen[J].IntJofHydrogenEnergy,2009,34(9):3589-3603.[2]DriesH,WilliamD.Usingrenewablesandtheco-productionofhy-drogenandelectricityfromCCS-equippedIGCCfacilities,asasteppingstonetowardstheearlydevelopmentofahydrogenecono-my[J].IntJHydrogenEnergy,2010,35(3):861-871.[3],,,.[J].,2009,30(8):30-33.[4]SelemboPA,MerrillMD,LoganBE.Hydrogenproductionwithnickelpowdercathodecatalystsinmicrobialelectrolysiscells[J].IntJHydrogenEnergy,2010,35(2):428-437.[5]LoganBE.Exoelectrogenicbacteriathatpowermicrobialfuelcells[J].NatureRevMicrobio,l2009,7:375-381.[6]RozendalR,HamelersHVM,MolenkampRJ,etal.Performanceofsinglechamberbiocatalyzedelectrolysiswithdifferenttypesofionexchangemembranes[J].WaterRes,2007,41:1984-1994.[7]LiuH,GrotS,LoganBE.Electrochemicallyassistedmicrobialpro-ductionofhydrogenfromacetate[J].EnvironSciTechno,l2005,39(11):4317-4320.[8]MunozLD,ErableB,EtcheverryL,etal.Combiningphosphatespeciesandstainlesssteelcathodetoenhancehydrogenevolutioninmicrobialelectrolysiscell(MEC)[J].ElectrochemistryCom-munications,2010,12:183-186.[9]SelemboaPA,MathewDM,LoganBE.Theuseofstainlesssteelandnickelalloysaslow-costcathodesinmicrobialelectrolysiscells[J].JPowerSources,2009,190(2):271-278.[10]WangX,ChengS,FengY,etal.Theuseofcarbonmeshanodesandtheeffectofdifferentpretreatmentmethodsonpowerproduc-tioninmicrobialfuelcells[J].EnvironSciTechno,l2009,43(17):6870-6874.[11]ChengS,LoganBE.Sustainableandefficientbiohydrogenproduc-tionviaelectrohydrogenesis[J].ProcNatlAcadSciUSA,2007,104:18871-18873.[12]LeeHS,RittmannBE.Significanceofbiologicalhydrogenoxida-tioninacontinuoussingle-chambermicrobialelectrolysiscell[J].EnvironSciTechno,l2010,44:948-954.[13]RozendalRA,HamelersHVM,EuverinkGJW,etal.Principleandperspectivesofhydrogenproductionthroughbiocatalyzedelec-trolysis[J].IntJHydrogenEnergy,2006,31:1632-1640.[14]FengY,YangQ,WangX,etal.Treatmentofgraphitefiberbrushanodesforimprovingpowergenerationinair-cathodemicrobialfuelcells[J].JPowerSources,2010,195(7):1841-1844.[15]LoganBE,AeltermanP,HamelersB,etal.Microbialfuelcells:Methodologyandtechnology[J].EnvironSciTechno,l2006,40(17):5181-5192.[16]CallD,LoganBE.Hydrogenproductioninasinglechamberm