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24环境工程学报Vol.2,No.420084ChineseJournalofEnvironmentalEngineeringApr.2008IC于芳芳伍健东周兴求牛晓君(,510006)(35?1)e,,IC,3036mg/L,,,IC504500mg/L;VFA400mg/L,pH7121~71622356~3065mg/L;12167%,7dCOD93101%;VFA,6d152~162mg/L;pH1769~2298mg/L7109~7127,ICX70311A1673-9108(2008)04-0498-04EffectofammoniumonoperationofinternalcirculationreactorYuFangfangWuJiandongZhouXingqiuNiuXiaojun(CollegeofEnvironmentalScienceandEngineering,SouthChinaUniversityofTechnology,Guangzhou510006)AbstractTheeffectofammoniumontherunningofinternalcirculationreactorwasstudiedtakingglucoseasorganiccarbonsourceundermesophilicconditions(35?1)e.Theexperimentalresultsshowedthatwhentheconcentrationofammoniumwashigherthan3036mg/L,therunningofICreactorwasinhibited,thecorre-spondingIC50was4500mg/L,andtheeffectofinhibitionbecameevidentwiththeconcentrationofammoniumincreasing.Duringthewholeoperation,VFAofeffluentwaslowerthan400mg/L,pHandalkalinitywerestab-ilizedat7121~7162,2356~3065mg/L,respectively.Theaverageremovalrateofammoniumwas12167%.Inthetoxicityrecoveryexperimen,ttheremovalrateofCODwasrecuperatedto93101%after7days,anddur-ingtheperiodofrecuperation,theVFAofsystemwasgraduallyreducedandstabilizedat152~162mg/Lfromthesixthday,thealkalinityandpHwerealsostabilizedat1769~2298mg/L,7109~7127,respectively.Thewholesystemrunstably.Keywordsammonium;internalcirculationreactor;operationcharacteristic:2007-10-31;:2007-12-26:(1982~),,,E-mai:lyff8255@163.com[1],,pH,(pH),IC50(1000~4500mg/L)[2~6]IC,,,,35eIC,,IC11.1IC,4:IC,120mm,1200mm,12L,012m/h,HRT6h,(35?1)e1,IC1.2,,CBNBP200B5B1,(NH4Cl),FeCoNi(1),NaHCO31Fig11Schematicdiagramofapparatus1Table1Compositionandcontentoftraceelements(mg/L)(mg/L)CaCl2330MgSO4500EDTA5000CuSO4#5H2O250NiCl2#6H2O190CoCl2#6H2O240H3BO414MnCl2#4H2O990ZnSO4#7H2O430NH4MoO4#4H2O91.33UASB,UASBIC415L,1/3:37.6m/h,SS35.8g/L,VSS/SS87%,92%,0.5~3mm1.4COD:[7];pH:[7];:[7];VFA:;:[7]2IC,COD43d,COD10000mg/L,5514kgCOD/(m3#d),HRT411h,COD92%,pH618~712,2.1ICIC,37kgCOD/(m3#d)IC,COD9000mg/L,HRT514h,,IC21111氨氮浓度对COD去除率及产气率的影响2,2548mg/L,COD9213%,3036mg/L,COD85113%,,,4535mg/L,COD49192%,IC,3000mg/L2CODFig12EffectofammoniumonremovalrateofCODandgasproductionrate2,CH4,2548mg/L,CH4,2458mg/L3036mg/L,,17101L/(L#d)13126L/(L#d),,,49924535mg/L8143L/(L#d)2,ICIC504500mg/L21112氨氮浓度对系统VFA的影响VFA,VFApH,ORP,,VFA400mg/LVFA,,[8]3VFA3,1000mg/L4532mg/L,VFA185~345mg/L,400mg/LICVFA,Koster[9]4050~5730mg/L,56%3VFAFig13EffectofammoniumconcentrationonVFAofsystem21113氨氮浓度对pH值和碱度的影响pH,pHpH(618~712)(4),7121~7162,pH2543~2932mg/L,2356~3506mg/L,,,21114反应器对氨氮的去除,:,,[10,11],,,4pHFig14ChangesofinfluentandeffluentpHandalkalinity:IC,,12167%(5)5Fig15Removalofammonium2.2,,IC,,COD9000mg/L,CBNBP200B5B1,1dCOD69104%82163%,9dCOD93101%(6)VFA,6d152~162mg/L(7);pH,1769~2298mg/L7109~7127(8),IC,,,,22,,,1414~7918m/h,015~2mm,5004:IC3Table3Changesofsizeandsettlingvelocityofgranularsludge(mm)(m/h)(%)(m/h)(%)389.79.979.87.82~375.411.864.89.61~246.850.143.248.50.5~128.822.129.023.20.25~0.514.42.114.44.60.25)4.0)6.3,,,,,3(1)ICCOD9000mg/L,3036mg/L,,,ICIC504500mg/L(2)IC,VFA400mg/L,pH7121~7162,2356~3065mg/LICVFApH(3),,CBNBP200B5B1,7dCOD93101%,VFA,6d152~162mg/L,pH1769~2298mg/L7109~7127,[1]..:,1998.79~81[2],..,2001,21(6):47~50[3],,..(),2005,45(9):1294~1296[4]BorjaR.,SanchezE.,WeilandP.Influenceofammoniaconcentrationonthermophilicanaerobicdigestionofcattlemanureinupflowanaerobicsludgeblanket(UASB)reac-tors.ProcessBiochemistry,1996,31(5):477~483[5]SossaK.,AlarconM.,AspeE.,etal.Effectofammoniaonthemethanogenicactivityofmethyllaminotrophicmeth-aneproducingarchaeaenrichedbiofilm.Anaerobe,2004,(10):13~18[6]GerardiM.H.TheMicrobiologyofAnaerobicDigesters.Hoboken,NewJersey,USA:JohnWileyandSons,2003[7]56.().:,1989[8],,,.UASBVFA.,2005,24(1):71~73[9]KosterI.W.,LettingaG.Anaerobicdigestionatextremeammoniaconcentrations.Bio.lWastes,1998,25:51~59[10],.IC.,2001,19(2):12~15[11],,.IC.,2004,23(4):777~781501