AO生物膜反应器的挂膜启动

286Vol.28No.6200812SHANXICHEMICALINDUSTRYDec.2008:2008208219:,,1979,2006,,A/O(,030801):A/O,,,40,,CODNH32N73.6%50%,:;A/O;:X703.1:A:100427050(2008)06200582042(A/O),,;,,A/O,A/O,,[123]11.11A/O,,20cm@20cm@50cm,,20181612L,,;20cm@30cm@45cm,18212427L,,;12L,,1);2);3);4);5);6)();7);8);9);10);11)1A/O1.2,,,,5911.340mm,,1(Q)/mg#L-1COD120~600NH32N25~75NO32N0NO22N0TN30~70TP6~7(CaCO3)300:pH=7~8,25mm,285m2/m3,,0.95g/cm3~0.99g/cm3,;,,,1.41.4.1[426],50%,,,,,,,0.55m3/h,,,[7]:,,24h(0.55m3/h)COD500mg/L(2)2mg/LC6H12O6NH4HCO3K2HPO4#3H2OFeSO4MgSO4CaCl250098.7525.470.1817.813.3,,COD1,,,,COD73.6%,,,,,,1.4.2,,,,pHU7,,,COD1000mg/L,33mg/LC6H12O6FeSO4#4H2ONH4HCO3CuSO4#5H2OKH2PO3#3H2OCoCl2#5H2OMgSO4#7H2OZnSO46001.253120.47331.560.0110.160.4,,,,,,,[8],5,,1/3,Q(COD)=1000mg/L,24h,24h,,,,,,,,,,,,2,#59#200812,A/O,,,CODCOD,,,,,,2,DO4mg/L0.5mg/L,,COD200mg/L~460mg/L,NH32N20mg/L~55mg/L,CODNH32N232COD3NH42N,,COD200mg/L~460mg/L,COD,81%2,12~16,COD2,COD,,21,COD,COD,3,,NH32NNH32N,,NH32N20,50%3,,,,,,,,,,,:9,;12,;14,,;21,0.5mm,,;30,,,,,,,,,SV=45%,[9210]4A/O,,50%,0.55m3/h,,,,,,,,;,,40,COD73.6%,NH32N50%,#60#200812:[1],,.A/O[J].:B:,2004,34(6):5092516.[2],,,.2[J].,2002,18(9):39241.[3],,,.A/O[J].,2004,20(5):56258.[4],.[J].,2003,31(10):129021231.[5],.[J].,2001,23(1):17220.[6],,.[J].,2005,6(1):87289.[7],,,.2[J].,2001,23(1):25227.[8],,,.[J].,1995,15(1):529.[9],,.[J].:,2006(3):1132116.[10],.[J].,2007(1):33235.StartingprocedureoftheA/ObiofilmreactorWANGXiang2ying(CollegeofBiologicalScienceandTechnology,ShanxiAgricultureUniversityofTechnology,TaiguShanxi030801,China)Abstract:ThestartingprocedureoftheA/Obiofilmreactorwasmainlystudiedinthispaper.Inaerobictankthepolypropylenefloat2ingpackingwasselected;intheanoxictank,halfsoftpaddingwaslaid.Thesludgewastheexcesssludgegotfromacitysewagetreatmentplant,andthefastsludge2removemethodwasusedtostartthebiofilmreactor.Aftermorethan40dayscultivation,thetreatmenteffectofthissystemwasalsograduallyenhancedalongwiththebiofilmgrownup.ResultsshowthattheremovalratioofCODandtheNH42Nincreasesto73.6%and50%,respectively.Itisshownthatthestartingprocedureofbiofilmreactoriscompleted.Keywords:sewage;A/Obiofilmreactor;floatingpacking(42),Rmin=xD-yqyq-xq,,,,,,:[1],,,.[M].:,1992:32.[2].[M].:,2004:2812282.[3],.[M].2.:,2005:204.StudyonthebackflowofethanolaqueoussolutionintheaccuratelydistillationZHENGYue2hui(DepartmentofChemicalEngineering,ShanxiIndustryandTradeCollege,TaiyuanShanxi030021,China)Abstract:Thedeterminationoftherefluxratioofethanolaqueoussolutionindistillationoperationwasdiscussedinthispaper.Twomethodsofdiagramandexperimentwereinvestigatedunderdifferentseparationcondition.Keywords:diagram;refluxratio;ethanolaqueoussolution;distillationaccurately#61#200812,A/O