Fe2对厌氧发酵生物制氢的影响

33EnvironmentalScience&Technology3312F201012Vol.33No.12FDec.2010Fe2+110168Fe2+。Fe2+pHVFA。(35±1)℃。Fe2+800mg/L。X382Adoi10.3969/j.issn.1003-6504.2010.12F.0391003-6504(2010)12F-0162-03ImpactsofFe2+onBio-hydrogenProductionbyAnaerobicFermentationLIUXu-dongHUANGYingSchoolofMunicipalandEnvironmentalEngineering,ShenyangJianzhuUniversity,Shenyang110168,ChinaAbstractThispaperstudiestheimpactofbiotechnologyhydrogenproductioncapacityoftheFe2+ontheconditionofanaerobicfermentation.IntheexperimentchangingFe2+concentrationcanresearchhydrogenproductioncapacityofanaerobicfermentationpHglucosedegradationefficiencyfermentationproductionofliquidoidend(VFA).Temperature(35±1)℃.Tomakeexperimentofanaerobicbiotechnologyhydrogenproductionbyusingthebottomofglucose.AsaresultwhenFe2+800mg/Ltherateofhydrogenproductioncapacityisthehighest,Accumulationofhydrogenreachthetop.Keywordsanaerobicbio-hydrogen;hydrogenproduction;[e-mail]。。。。[1]。、。Fe、、。[2]。,。11.180。1。(mg/L)10.0g2.0g0.2g0.1gKH2PO41.0gNaCl4.0g0.01g5000mg/LFe2+0mg/L200mg/L500mg/L800mg/L1000mg/L1200mg/L1500mg/L。1.2716。、、。100mL600mL200ml1000mL12FpHORP(mV)MLSSmg/LSVImL/gSV(%)MLVSS(mg/L)(kgCOD/kg·d)6.5~7.4-2141600055.60489112040.321pH4.5~6.5(35±1)℃。1.3()CL32/CL40)。(ZP-96)。GC-2010()(VFALC-310。pHE-201-CpHORPNT18FJA-15(Eh)。1.480。N、PNPKH2PO4COD∶N∶P=300~500∶5∶1(35±1)℃。120r/min。15d,COD40%。。CODCODSVCOD50%SV。2200mL5000mg/L600mL(35±1)℃6Fe2+。、、pH、COD、、(VFA)。2.1Fe2+12Fe2+。Fe2+800mg/L。2168mL1.56molH2/g。1.45。0~3h21mL、、、、、26mL、47mL、65mL、55mL、41mL、34mL。Fe2+800mg/L。3~21h。21hFe2+Fe2+。Fe2+、NADH-、、[3-4]。2.2Fe2+pHFe2+pH2。、。(、、)H2、CO2pH[5](VFA)。2Fe2+800mg/LpH4.56、4.44、4.32、4.28。Fe2+800mg/LpH4.67、5.18、5.51。Fe2+800mg/LCOD34.22%。Fe2+800mg/LCODFe2+Fe2+800mg/LFe2+COD。Fe2+16333Fe2+(mg/L)pHpHCOD(%)06.234.2829.192005.914.5629.995005.944.4430.228006.034.3234.2210005.884.6730.3712005.845.1828.2815005.795.5127.652Fe2+pH2.3Fe2+[6]。3Fe2+。Fe2+800mg/L0.821.13。Fe2+800mg/LFe2+Fe2+800mg/LFe2+。800mg/LFe2+。“”。。2.4Fe2+VFA4Fe2+VFAFe2+200mg/L500mg/L3~12VFA8Fe2+200mg/LVFA20.5%Fe2+800mg/L1000mg/LVFA3~12。Fe2+800mg/L8VFA125.7%。Fe2+800mg/LVFA[7]。31Fe2+800mg/L2168mL1.56molH2/mol。。2Fe2+(VFA)。3。[][1].[D].2006:1-11.[2]HwakesFR,DinsdaleR,HawkesbDL,etal.IntJHydro－genEnergy,2002,(27):1339-1347.[3],,.Fe[J].200719(4):86-88.[4],.[M].2004:266-271.[5],,,.[J].200828(2):114-116.[6],,,.FeFe2+[J].200425(4):48-53.[7],,,.Ce3+VFA[J].200930(4):1115-1119.164