SUFR系统去除废水中COD和氮磷的模拟罗固源

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 2004年5月重庆大学学报May2004第27卷第5期JournalofChongqingUniversityVol.27 No.5  :1000-582X(2004)05-0122-05SUFRCOD、罗固源,温 亮,豆俊峰(重庆大学城市建设与环境工程学院,重庆 400030) :目前,以国际水协ASM系列(1~3号)为代表的活性污泥数学模型已经广泛地应用于污水处理厂的设计、改建和运行管理以及新工艺和新技术的开发研究。通过对废水组成的详细分析和模型参数的修正,运用ASM2模拟了SUFR(螺旋升流式反应器)系统中COD和氮、磷的去除。模拟结果表明:由模型所得出的模拟值与实测值拟合较好。说明ASM2能够反映COD和氮、磷在SUFR系统中的变化状况。当SUFR系统运行参数发生变化时,模型可以作为有效的预测平台。:活性污泥2号模型(ASM2);螺旋升流式反应器(SUFR);模拟:X703:A  (IWA)1986、19951999ASM1、2、3[1]。ASM。,,。,、、。ASM,ASM2,。2。1 SUPF系统及其处理效果“”(SpiralUp-FlowReactor,SUFR)[2]。,,。1。,,1 SUPF,,。、,,。:9h,50%,200%,100%。:2004-01-15:“”(2001BZ604A01-03-10):(1944-),,,,。COD,1。1 SUFRCOD、COD(mg/L)TP(mg/L)TN(mg/L)244~7518~31421193.25~8.360.07~0.496.070.3532.45~62.323.28~9.9147.526.5632 ASM2及其参数确定2.1 ASM2简介ASM2(activatedsludgemodel2),,,19、19、2242[1]。ASM223(),45。2 ASM2ji12345678SO2SFSASNO3SN2XIXSSH1SF1-1YH1-1YH12SA1-1YH-1YH13SF1-1YH-1-YH2.86YH1-YH2.86YH14SA-1YH-1-YH2.86YH1-YH2.86YH15-116XXIfXI-13 ASM2jρj1SFμHSO2KO2+SO2·SFKF+SF·SFSF+SA·SNH4KNH4+SNH4·SPO4KP+SPO4·SALKKALK+SALK·XH2SAμHSO2KO2+SO2·SAKA+SA·SASF+SA·SNH4KNH4+SNH4·SPO4KP+SPO4·SALKKALK+SALK·XH3SFμHηNO3KO2KO2+SO2·SFKF+SF·SFSF+SA·SNH4KNH4+SNH4·SNO3KNO3+SNO3·SPO4KP+SPO4·SALKKALK+SALK·XH4SAμHηNO3KO2KO2+SO2·SAKA+SA·SASF+SA·SNH4KNH4+SNH4·SNO3KNO3+SNO3·SPO4KP+SPO4·SALKKALK+SALK·XH5qfeKO2KO2+SO2·KNO3KNO3+SNO3·SFKfe+SF·SALKKALK+SALKXH6bHXH4 ASM2SO2g(O2)/m2SN2g(N)/m3XSg(COD)/m3SNO3g(N)/m3XHg(COD)/m3XIg(COD)/m3SFg(COD)/m3SACOD)/m3SPO4g(P)/m3SALKmol(HCO3)/m35 ASM2YHg(COD)/g(COD)bHd-1KfeSFg(COD)/m3KNH4g(N)/m3μHd-1qfeg(COD)/[g(COD)·d]KO2g(O2)/m3KNO3g(N)/m3fXICODg(COD)/g(COD)KPg(P)/m3ηNO3  rivij(2)iρj:ri=∑jvijρj(1)  ,SAr:dSAdt=-1YH×μHSO2KO2+SO2·SAKA+SA·SASF+SA·SNH4KNH4+SNH4·SPO4KPO4+SPO4·SALKKALK+SALK·XH-1YH×μHηNO3KO2KO2+SO2·SAKA+SA·SASF+SA·SNH4KNH4+SNH4·SNO3KNO3+SNO3·SPO4KPO4+SPO4·SALKKALK+SALK·XH+qfeKO2KO2+SO2·KNO2KNO2+SNO2·SFKfe+SF·SALKKALK+SALKXH(2)2.2 模型参数的确定,。,123第27卷第5期            罗固源等: SUFR系统去除废水中COD和氮、磷的模拟,。2,,6。,[3]ASM2,,7。6 YHg(COD)/g(COD)0.66bHd-10.66μAUTd-10.697 YPAOg(COD)/g(COD)0.67YAUTg(COD)/g(N)0.28Khd-13.10KO2g(O2)/m30.20KXg(COD)/g(COD)0.15μHd-15.80ηNO30.76qPHAg(COD)/[g(PAO)·d]2.70qPPg(PP)/[g(PAO)·d]1.40μPAOd-11.10KMAXg(XPP)/g(XPAO)0.40bAUTd-10.19KNH4g(N)/m31.003 进水中各组分的估测KH0PO4、NH4Cl、、、、NaH-CO3,8。8 CODCr(mg/L)244~751TP(mg/L)3.25~8.36TN(mg/L)32.45~62.32pH6.8~7.2  ASMCODSI、SS、XSXI。4,0.45μm。1)SI。SI,SI。CODBOD,SI2[4]。SI0.45μm,,CODSI[5]。2)SASF。SASFSS。SS:100mlSICOD(CODsol),SSCODsolSI。,SSCOD40%~60%。SA,SSSF。3)XI。。YH、fPbH,XI[6]。4)XS。XS,。SI、SSXI:XS=COD-SI-SS-XI(3)  XS30%~40%。5)。ASM23,SNO3、SNH4SN2。SNO3SNH4,SN2。6)。,SPO4,。4 模型生成4.1 基本假设SUFR[1]:1);2)PH;3),、;4)Mg2+K+。4.2 模型生成SUFR、。,,。()[7]:124重庆大学学报                 2004年2 dCidt=ri(4),Ci———i;i———(、);ri———i(ASM2)。23,:dSNH4dt=v1,NH4KhSO2KO2+SO2·XS/XHKX+XS/XHXH+v2,NH4KhηNO3KO2KO2+SO2·SNO3KNO3+SNO3·XS/XHKX+XS/XHXH+v1,NH4KhηfeKO2KO2+SO2·SNO3KNO3+SNO3·XS/XHKX+XS/XHXH-(inbm-1YA)μAUTSO2KO2+SO2·SNH4KNH4+SNH4·SPO4KP+SPO4·SALKKALK+SALKXAUT(5)  ∫HRT0rjdt,:Cj,oht=Cj,in-∫HRT0rjdt(6):out———;  in———,2。,(),(6),:CSF,out=CSF,in-∫HRT0rSFdt(7)  ,。MATLAB,4。。5 模拟结果,,9。3~9。9 mg/L CODCOD(TN)(TN)(TN)(TN)(TP)(TN)(TN)(TN)12671612.9242.719.620.77.08.73.716.56.6627.9526.078.128.650.430.1223721819.2645.624.722.59.79.77.07.53.7723.6521.557.527.790.100.1334252018.2747.425.423.611.410.27.77.65.7628.3628.179.2510.460.150.1844881119.2060.529.731.613.614.68.49.75.7132.5829.0911.2511.300.170.2255691216.1047.322.323.69.710.27.57.46.8726.5631.3711.2411.60.100.2364591721.1142.3622.420.59.48.67.26.04.6629.5625.779.569.920.090.1774891414.6656.427.729.110.413.27.69.97.1431.2533.0414.5312.660.170.408462816.3546.424.423.011.49.98.47.06.7127.1931.4611.8111.890.140.2694121818.2048.325.324.111.310.57.38.05.6329.4427.589.810.160.210.17104211517.8346.524.323.010.410.06.37.35.9428.1928.6210.1610.590.070.18113151415.2843.923.321.511.39.16.36.95.7426.0125.318.88.680.100.13122921714.3244.822.222.012.29.47.27.25.9427.1925.058.68.450.170.13132911314.4343.122.221.011.38.96.26.75.7624.6624.528.028.260.220.1214284121930.3617.3914.626.384.743.352.75.2121.5422.756.637.610.130.12154311715.958.6631.2530.4914.2213.958.6910.436.3432.0731.7813.3512.930.200.55125第27卷第5期            罗固源等: SUFR系统去除废水中COD和氮、磷的模拟3 COD4 TN5 TN6 TN6 结 论1),IWA。,。2)(SUFR)COD、。SUFR,、,。7 TP8 TP9 TP  3),,,。。:[1] .[M].,.:,2002.[2] ,.SBR[J].,2003,14(18):15-19.[3] ,.[J].,2002,25(5):13-14.[4] ,,.[J].,2002,21(5):278-281.[5] ,.[J].,2000,13(3):9-17.[6] HENZEM.Characterizationofwasterwaterformodelingofacti-vatedsludgeprocesses[J].Wat.Sci.Tech.,1992,25(6):1-14.[7] .[M].:,2003.(134)126重庆大学学报                 2004年OperationModeofLogisticsinVirtualSupplyChainLIUXiao-hong1,DANBin2,ZHANGXu-mei2(1.CollegeofEconomicsandBusinessAdministration,ChongqingUniversity,Chongqing400030,China;2.TheResearchCenterofBusinessAdministrationandEconomyDevelopment,ChongqingUniversity,Chongqing400030,China)Abstract:Virtualsupplychainisacooperationmodeofsmallandmediumenterprise.Thelogisticsallianceasoperationmodeoflogisticsinvirtualsupplychainisproposed.Basedontheanalysisanddescriptionoftheconceptandcharacteristicsofthelogisticsalliance,akind

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