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淀粉废水处理工程简介胡威夷 介绍了北京红星淀粉厂生产废水的水质特点、处理工艺及技术参数。提出了常温下UASB反应器+二级好氧生物处理在淀粉废水处理中的应用,并调试、运行成功。结果表明:该工艺投资省、运行费用低,操作简便,产生的沼气可利用。处理后的废水均达标排放,获得了较好的经济效益和环境效益。 淀粉废水 升流式厌氧污泥床反应器 UASB厌氧反应器 厌氧颗粒污泥 接种污泥 好氧活性污泥0 ,6000～7000t,70%。,:,,,,,、,、,。,,,,,()。、、。1 500m3/d。:COD7000mg/L;BOD4000mg/L;SS500～1000mg/L;30～120mg/L;pH4～5;20～25℃。:,COD≤80mg/L;BOD≤40mg/L;SS≤70mg/L;≤25mg/L;pH6.5～8.5。2 (1):,、UASB,,,,,,;,1 、。3 12。1 Q:72～120m3/hH:12～10.5mN:7.5kW2(11)IS150-125-200Y160M-4Q:200m3/hH:12.5mN:11kW2(11)IS100-80-100Y312S1-2Q:100m3/hH:12.5mN:5.5kW2(11)BG65-20Q:25m3/hH:20mN:3kW2(11) BAJZ20/810:20m2:810mm×810mmN:5.5kW1()50 Vol.29 No.3 2003DOI:10.13789/j.cnki.wwe1964.2003.03.0162 /m/m3/kgCOD/(m3·d)/h 2.9×2.63UASB14×6×5.54208.4209×5×4.51894.795×5×3532.53×5×4.5632.135×5×3532.53×3×436200kg/d8×5250700m3/d50%～60%3 /m3/h/℃pHUASB--COD/mg/LCOD/mg/L/%COD/mg/LCOD/mg/L/%COD/mg/LCOD/mg/L/%2001040130.5286.56950170075.5170025984.82597371.82001040228.5286.77025173275.3173226584.72657671.32001040327.5276.87030175075.1175026884.72687671.62001040428306.57000175075.0175026385.02637571.52001040526.5296.26500145077.6145024583.12456374.32001040630286.86800155077.2155025883.42586774.02001040727316.56738158776.4158725284.12526574.22001040826276.86032142676.3142622384.42235973.52001040929286.86584152776.8152724384.12436374.12001041031287.05944138076.8138025281.72526574.24 4.1 UASB。UASB,6～8kgVSS/m3,20m3。,UASB。。。CODCOD75%,,,。,,,,,,1～5mm,8kgCOD/(m3·d),COD75%。UASB,pH6.8～7.2,,Na2CO3CaCO3(,CaCO3)。,,,,UASB,pH,pH,、,。,,CaCO3。、,UASB。,,,。,,、、、。4.2 ,。 Vol.29 No.3 200351 200141～103。3,COD80mg/L,pH6.5～8.5,。5 (1)214。(2)(、、、、)1.47/m3。UASB,。6 (1)UASB,UASB,。。(2),。,,,。(3),,,COD,,。,,,。:100044 :(010)68395421 :2002-7-15 雷乐成 陈 琳 何 锋 针对热采注汽锅炉用水水质要求,将常规处理后的油田稠油污水经化学除硅、精密过滤及软化工艺处理后污水二氧化硅含量小于50mg/L,悬浮物和油含量小于2mg/L,硬度未检出。经过规模为10m3/h中试连续试运行,热采锅炉炉管未发现有结垢或任何损坏现象,证明采用深度处理后的稠油污水代替清水作为注汽锅炉补给水是可行的。 油田稠油污水 热采锅炉 化学除硅 精密过滤 软化0 ,,60%～70%。,,。,,。,(5000MPa·s),(0.96g/cm3),(58℃),,,,。,,。,,,,、、,。,[1～9],,,,。、,;、,,,。、、,。,10m3/h,、52 Vol.29 No.3 2003WATER&WASTEWATERENGINEERINGVol.29No.3March2003whentherawwastewaterhadtheconcentrationsof1564mg/L,475mg/L,500timesforCOD,BODandcolourityrespectively,90.9%,96.6%,90%ofremovalsforCOD,BODandcoloritycouldbeobtained.BriefonStarchWastewaterTreatmentHuWeiyi(50…………………………………………………………………………)Abstract:InthispaperthewastewaterqualityandthetechnicaltopicofwastewatertreatmentfacilityofHongxingStarchManufactoryinBeijingarepresented.ThefacilitywithnormaltemperatureUASBreactorplussecondaryaerobicbiologicaltreatmenthasbeenstartedupandgoneintooperationsuccessively.Thisprojecthasadvantagesoflowinvestmentandoperatingexpenses,andeasytooperate.Alsoalotofenvironmentalandeconomicalbenefitshavebeenbroughtbythehighmethaneproductionandfaireffluent,whichmeetsthewastewaterdischargestandard.ReuseofDeeplyTreatedOilFieldWastewaterforHeatSupplyBoilerLeiLechengetal(52…………………………………)Abstract:Heavycrudeoilwastewaterwastreatedbychemicalsiliconremoval,precisefiltrationandsofteningtomeetthewaterqualitystandardsofsteamboilers.Aftertreatment,thecontentofsiliconinwastewaterwascontrolledunder50mg/L,andtheoilandsuspendedsolidwasabout2mg/L,whereasthehardnesswasnotdetectable.Inthepilotplantexperimentwithcapacityofl0m3/h,theclearwatercouldbereplacedbytreatedheavycrudeoilwastewatertosupplythesteamboiler.Afterabouthalfyearsuccessfuloperation,noscaleoranyharmfulconditionswereobservedatthesteamboilertubes,itseemsworkwell.PrinciplesofWaterTankDesignRenFangetal(60……………………………………………………………………………)Abstract:Theinvestigationmadeforcompilationofthestandarddrawingalbumofwatertankshasshownthatthedesignedandpre-fabricatedwatertanksofvariousmaterialsdesignedarenotperfecttomeettherequirementofusers.Therulesandstandardsinwatertankdesignandfabricationarepresented,includingthematerial,designparameters,accessoriesandinstallationindications.OnWaterSystemDesignforHospitalBuildingLiHongkui(64………………………………………………………………)Abstract:Thehospitalbuildinganditsinstallationshavebeenimprovedmoreandmorewithadvancedinstrumentsfordiagnosisandtherapyinclinics.Theauthorthinksthattheautomaticsprinklingfirecontrolsystemshouldbeinstalledforanyhospitalbuildingwithcentralizedairconditionsystemandthenozzlesshouldbeinstallednotonlyatthepublicspace,butalsoattheward.Somepersonalopinionsrelatedtowatersystemdesignforhospitalbuilding,includingsomespecialattentions,theselectionofheatexchangersandclassificationofhospitalwastewateraredescribed.ApplicationofSandFilledFiberGlassReinforcedPlasticPipeinRawWaterConveyanceLineforaNuclearPowerStationWuHongbingetal(74…………………………………………………………………………)Abstract:Thesandfilledfiberglassreinforcedplasticpipewasadoptedfortherawwaterconveyancelineinanuclearpowerstation.Thisdecisionwasconfirmedunderinvestigationandcomparisonofmanyfactorssuchasthelocationofthepipeline,thewaterpressure,thenatureandcorrosionofthesoil,constructionconvenienceandmarketavailability.Somekeytechnicalissuesfacedindesignofthispipelinewithfulldistanceof38.5km,includingtheriver-crossings,connectionlines,intermediateboostingpumpingstationsandwaterhammerbuff