城市污水生物絮凝吸附强化一级处理技术试验研究许萍

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■a=-5.944、■b=117.054×10-3、■c'=1.8×105■H0298=-74910(Jmol)、■G0298=-64550(Jmol)■H0=■H0298-■a×298-12■b×(298)2+■c'×(298)-1:■H0=-77732.1(J)(15)■G0=■H0-■aTlnT-■b2T2-■c'2T-1+yT,y=28.8lnKp=-■H0RT+■aRlnT+■b2RT+■c'2RT-2-y=77732.1RT-5.944RlnT+0.5×0.117054RT+90000RT-2-28.8■G0=■H0-■aTlnT-■b2T2-■c'2T-1+yT  =-77732.1+5.944×T×lnT-0.5×0.117054×T2-90000×T-1+28.8T。,,。4 ():1),。2),,,。3),,。4)、。:[1] .[M].:,1985[2] B.N.,T.M.,O.Π.M.(),,.[M].:,1983[3] 、.[M].:,1980[4] .()[M].:,1993OnChemicalThermodynamicCalculationofSteelCorrosionbyH2S,CO2InGasChenJunqiu LiWei(Dept.ofUrbanConstructionEngineering,Beijing100044)Abstract:ThefunctionrelationshipbetweenΔGo(standardGibbsfreeenergyofformation)andT(thermodynamictem-perature)wasdeducedbycalculatingΔGo,Kp(equilibriumconstantinpressure)ofH2S,CO2corrosionreactiononsteelingasandpartialpressureatequilibriumstateofthemutilizingthetheoryandmethodofchemicalthermodynamics.Fromtheresultsofcalculation,thepossibilityofsteelcorrosionbyH2S,CO2ingascanbeexplainedintheoryandthecondi-tionofcorrosionwillbededucedfurther.Keywords:gas;corrosion;chemicalthermodynamics;equilibriumconstant12                  17  :1004-6011(2001)04-0013-04许 萍(, 100044) :通过对有机物与SS去除影响因素的研究,探讨生物絮凝吸附作用强化一级处理技术的可行性,并提供参考运行参数。:强化一级处理技术;水力停留时间;污泥负荷;溶解氧:X703    :A0   ,,,,。、。,。、、;,;,,。,、。,,,、。“”AB,COD-crSS。1 1.1   1。(2-a),Ф10mm,,4.35l,3.84l,3.33l2.56l;(2-b),5Ф15mmФ15mm,,19.20l、13.05l、8.15l、5.44l、4.33l;(2-c)Ф65mm,Ф10mm,Ф10mmФ5mm;LZB-4,1~10lh,LZB-3LZB-2,174JOURNALOFBEIJINGINSTITUTEOFVol.17No.4200112CIVILENGINEERINGANDARCDec.2001:2001-10-11 :(1971-),,,,。(a)              (b)            (c)                   2 0.16~1.6lmin0.016~0.16lmin;ACO-008B,135W,≥10lmin;NS8200。1.2 ,,、、、、。1。1 CODcr(mgl)SS(mgl)pH(℃)120~51967~2305.8~6.411~291.3 CODcr:;SS、MLSS、MLVSS:;pH:;DO:YIS-52。2 2.1 CODcr、SS,18min~90min(0.3h~1.5h),,CODcr、SS3。3,,CODcr,,CODcr;SS,48min(0.8h),SS,48min(0.8h),,SS。42min~90min(0.7h~1.5h),CODcrSS,60~77%71~75%。3 CODcr、SSCODcr,SS(),CODcr50%(SS)。,,,,CODcrSS;,,,,CODcr,,,CODcr;,SS,,14                  17,,。2.2 CODcr、SS1.93~5.00kgCOD(kgMLSS·d),,CODcr、SS4。4 CODcr、SS4,,CODcr,3.62kgCOD(kgMLSS·d),CODcr,66%;3.62kgCOD(kgMLSS·d),CODcr,,5.00kgCOD(kgMLSS·d)。2.8~4.4kgCOD(kgMLSS·d),CODcr60~66%。,SS,3.15kgCOD(kgMLSS·d)80.03%4.06kgCOD(kgMLSS·d)65.53%,70%,。。、,,,()、。,,,、,CODcr,,,,CODcr;,、,,,CODcr,。Malz[1],SS“”,、、。SSSS(130mgl),,。2.3 CODcr、SS0.2~2.5mgl,,CODcr、SS5。5,,CODcr、SS,CODcrSS。1.15mgl~2.5mgl,CODcr60~69%;,SS65%,76%。5 CODcr、SS,,[2],,,,、、;,、,,,0.2mgl2.5mgl,CODcr、SS154            :

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