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:2002-01-04:(1962-),,,,,,COD赵 勇1,李 有1,王永刚2,王 念1,何 威1(1.,450002;2.,462000):COD,,,,,,,,COD,,,,COD,,,:COD;;;;:X83:A:1001-2141(2003)02-0036-03CODcr,,,,,COD,(DO)NH3-NCODcr[2](BOD5)CODcr[6](SS)CODcr[5],BOD5CODcr,,CODcr,,,CODcr,CODcr11.11pH7.5230507.20358.227090:,,11.21.2.1,,315,,,1051.2.21.2.2.1pHHI9321()1.2.2.2DDB303A,,,251.2.2.3COD,WMX1COD,()(0.2000mol/l),:(1)5.00ml,5.00ml,5.00ml5.00ml,(2),(3):(4),150ml2522003221234567891034567891011125678101112131415,23,,30ml,2,,,COD2CODcr,CODcr,,,,,x,CODcry2.1CODcr3CODcrxyx2y2xy1448131209670417161189688140590197402581001264501414104199939610816147056143112620477611587618030615191562307361243362369641533184235008933856282072151217422861443027626308814111201990921144001693201400901960000810012600014141021999396104041442281426116203347613456165416150513622650251849620468015211652313441272252509651507144227104920736217008x=20446y=1838x2=29894788y2=253238xy=2703241CODcr:y=0.554x-663.46,r,r:r=LxyLxxLyy=0.930r0.7,,CODcr2.2CODcrCODcr:y=0.227x-115.6r0.878,0.7,,4CODcrxyx2y2xy7395754612132494212384280708964640067360768555898243025422407424455056419363264888882788544672472816756595715363481446047604657760021163496070548497025230433840740455476002025333007033849420914442671471150505521250035550750615625003721457507496356100139694718780171641601504156871x=10654y=799x2=8142610y2=47935xy=615963CODcr2.3CODcr5CODcrxyx2y2xy1458137220522518769273652021500149225000022201223500157115824680412496424821815581862427364345962897881655242273902585644005101651201272580140401331851185033334225001108896160501820313331240097969569660181225932833446708146930818903473572100120409655830175921730940814708938170319734153892729172225818795193239137326241528817554121815294329422586436533610x=24244y=3642x2=42339998y2=1054474xy=6493981CODcry=0.525x-649r0.958,0.7,,CODcr3x,y,CODcr(1,2,3)1,,;,xy372:COD232.4CODcr,,S,,CODcr,S,y,,123,:y1=a+2s+bxy2=a-2s+bxy,90%CODcr(S)CODcr::S=(1-r2)LYYn-2=11.59y1=0.544x-640.32y2=0.544x-686.68:S=(1-r2)LYYn-2=6.68y1=0.227x-102.25y2=0.227x-128.95:S=(1-r2)LYYn-2=27.08y1=0.525x-594.84y2=0.525x-703.16123,CODcr33.1CODcr3.2CODcr3.3CODcr,,y1y2,CODcr,10%,CODcr,CODcr,BOD5DO,,pH,,41.,:,19912.DONH3-NCODMn,,1995,11(5):9103.CODcr,,1995,4(17):49524,.CODcr,,1999,14(2):37405.CODcr,,1997,1(2)6,.BOD5COD,,2000,29(40):4849,55(35)4,pHORPpHORP,pH4.04.5ORP-350mv-250mv,,pH5.05.8ORP-200mv100mV,,pH4.85.55.8ORP-330mv-180mV,51,.[M].:.19942...20013N.E.,R.E..()4,,.[M]..,19933825phase,canaffectstronglyonthefermentationtypesofacidogenicphase.Withthecontinuous-flowstirredtankreactors(CSTR),theeffectsofspecialcombinationsofpHORPontheacidogenicphasewereanalyzedinthispaper,alsoonthebasisofpopulationecology,thedifferentclimaxcommunitiesanddominantpopulationsofdifferenttypesoffermentationcontrolledbypHandORPweresummarized.Keywords:Anaerobicbio-treatment,Acidogenicphase,Ecologicalfactors,Climaxcommunity.AnalysisonRelativitybetweenCODcrandConductanceofUrbanSewageZhaoYong,LiYou,WangYonggang,WangNian,HeWei(1.HenanAgriculturalUniversity,Zhengzhou450002;2.YanchengstationforEnvironmentalMornitoring,Luohe462000)Abstract:Theusualdeterminationmethodofchemicaloxygenconsumedispotassiumdichromatemethod.Theshortcomingofthiswayisthatthedigestiontimeislong,theoperationbyinterferenceofchloricionissevere.Microwavesealeddigestionmethodmakesmuchimprovement,itsadvantageisthatanalyticalprecisionandaccuracyareincreasedaswell.ButtheequipmentisexpensiveandexpensiveAg2SO4addedintheprocessionofexperiment,thelostofanalysisishighter.ThispaperreportedthestateofDiongfengriver,JinshuiriverandXiongerriverbycontinuemeasureandexperiment.TheresultsshowedthatthereexistedrelationoflinearitybetweenconductanceandCODcrofurbansewage.Underusualcondition,accordingtotherelationofboth,wecouldattainCODcr,Sothecomplexityofexperimentwascutdownandpollutionwasdiminished,timeandcostwereeconomized.Keywords:COD,Conductance,Microwave,Sealeddigestion,Relativityanalysis.ConceiverofNewProcessforBiologicalWastewaterRemovalNitrogenandPhosphorusFuChunping1,ZhongChenghua2,DengChunguang2(1.FacultyofUrbanConstructionandEnivron.Eng.ChongqingUniv,Chongqing400045;2.ChongqingInstituteofEnvironmentalScience,Chongqing400020)Abstract:Basedonthetheoryandeffectfactorsofbiologicalremovalnitrogenandphosphorus,andcomparisonontheremovalefficiencyofnitrogenandphosphorusamongseveraltypicalprocesseswhichremovenitrogenandphosphorus,weanalyzedsometypicalprocesswhichwasnotsogoodtoremovenitrogenandphosphorusinwastewater.AccordingtothefactofurbanwastewaterqualityandcharacteroftopographyinChongqing,anewprocessforbiologicalwastewaterremovalnitrogenandphosphoruswasconceived,therebydeficiencyoftraditionalprocesseswasremedied.Efficiencyofsystemicremovalnitrogenandphosphoruswasenhancedevenmorepurposeofremovalnitrogenandphosphoruswasattained.So,watershedcontaminationwouldbereduced.Keywords:Biologicalremovalnitrogenandphosphorus,Newprocess,Conceiver.AffectandCountermearuresofSoilErosioninHighwayConstructionLiJinhai(CollegeofResourcesandEnvironmentalScience,HebeiNormalUniversity,Shijianzhuang050016)Abstract:Soilerosion