高温厌氧消化处理城市有机垃圾的正交试验研究1

:,,1979,,3(No.50425927No.50225926);2000;(No.20020532017);863(No.2001AA644020No.2003AA644010No.2004AA649370);(No.2004036127);(No.021002521106021)3(,410082),,,,(TS)(C/N),(VFA),,VFA,,,TS,C/NVFAAstudyofthermophilicdigestionofmunicipalsolidwasteZhangBibo,ZengGuangming,ZhangPanyue,ChenZhaomeng,Huanghongli.(DepartmentofEnvironmentalScienceandEngineering,HunanUniversity,ChangshaHunan410082)Abstract:Anorthogonalexperimentalprogramwascarriedouttodeterminetheeffectsoftotalsolid(TS),temperatureandC/Nratioonbiogasproductionduringthermophilicdigestionofamunicipalorganicsolidwaste.ThechangeoftheVFAconcentrationandthemaximumratioofbiogasyieldperVSSwerecomparedbetweenthehighbio2gasyieldzoneandthelowbiogasyieldzone.Temperatureaffectedthebiogasproductionratethemost,followedbyTSandthenC/Nratio;thebestdigestionresultswasachievedundertheconditionsof55,10%TS,andC/N=20.Underotherwisethesameconditions,ahigherdigestiontemperatureupto55,resultedinahigherbiogaspro2ductionrate,moreeffectiveinhibitionofVFAaccumulation,andbetterbiogasproductivity.Keywords:AnaerobicdigestionMunicipalorganicsolidwasteOrthogonalexperimentVFARatioofbio2gasyieldperVSS,,,,,[1],,,,106t,,,,,VFA,,,,,11.1C/NC/N,C/N2030C/N(),,,,pHC/N(),,pH,pH8.5,NH+4150mg/L781.2(TS)TSTS5%15%,TS15%40%,;,,1.3,,,,3060:3040,5060,,35,54,,5,,,,,pH22.1,5L1,SHY22S,,,2030r/min,,10min1020r/min,,5min,20dUU11-;2-;3-;4-;5-;6-;7-;8-;9-U;10-2.21/(kgm-3)9431372/%61.71.5C/N38.57.9/%83.144.2,1cm1cm(1cm),TSNaHCO3pH(pH=6.57.5)2.3TS:;VFA:();C/N:CVS(C=0.47VS),VS;NNpH:PHS23CpH2.4TSC/N,,,22/TS/%C/N150520255102536015303,9,2VFACOD2;,,=/,322,31#6#8#;3#4#9#;2#5#7#,,55,3#4#9#TS,882822006210%,,3,35055603,1#(77.62mL/(gL))6#(112.63mL/(gL))8#(59.35mL/(gL)),,,1#6#8#,,55,TS(15%)34VFA4VFA,,,2#5#7#3VFA,VFA,,6,14600010000mg/L,,VFA,[2]3#4#9#VFA,[3],L9(34)L27(313),L9(34)9[4]3[5]9,9,7036mL23841mL623841mL,3,Ki,K1AA(),1(50),KiR,R,3/TS/%C/N/mL1111204282122167043133870342121666352232096662312384173137036832116788933213199K1458344412654593K2614703856542154K3370235445847581R244471589312439Ki,K2=61470;K3=54458;K1=54593,,:(55);TS(10%);C/N(201),RR,2R24447,60,,[6]TS,15893,TS(30%),TSTS20%C/N[7],12439,,:TSC/N55(115)98TSPSO2CO;2002,NOXSO2TSPCONOX,NOX,SO2NOXNOX,TSP3,,,,;,,,,,28%,,,,62.4%,,1.7%,,200m,,300m[6],,,,200m,200m,,[7]4(1)19982003pH4.67,2001-2003,(2)SO2,SO2NOX,,(3),SO2NOX(4),1,..,1999,14(2):19202,..:,2001.53,,,..,2001,16(1):14174,..,2003,18(1):465,..,1998,17(6):17186,..,1989,9(2):1231287,..,1999,14(1):2831:(:2005205210)(89)4,VFA,,VFA,VFA:;TS;C/N1,,,..(),2004,18(1):12162UmetsukT.Pilot2scalehighsolidsmesophilicanaerobicdigestionofdairymanureslurryinacoldregion.The8thInternationalConferenceonAnaerobicDigestion,1997,(3):4767833AhringB,KibrahimAA.Effectoftemperatureincreasefrom55to65onperformanceandmicrobialpopulationdynamicsofananaerobicreactortreatingcattlemanure.WaterResearch,2001,35(10):244624524,,,..(),2003,30(5):51545,..,2002,12(5):1481506KiyohikoN.EffectofpHcontroloncompostingofgarbage.WasteManagement&Research,1993,11:1171257WilkieAC.Reducingdairymanureodorandproducingengery.Biocycle,2000,41(9):4850:(:2005205217)511