城市污泥厌氧消化产沼气资源化研究

12(1.610031;2.610108),,,ResourceReuseResearchonMethaneProducedfromtheAnaerobicDigestionofMunicipalSludgeCAODongmei1LIUKun2(1.SchoolofEnvironmentalScienceandEngineering,SouthwestJiaotongUniversityChengdu610031)AbstractMunicipalsludgeisnotonlyonekindofpollutantsandbutakindofresources,andmoreandmoreattentionshouldbepaidonhowtoreasonablyuseit.Inthispaperthestatusandtrendofthedisposalanduseforthemunicipalsludgeinourcountryissystematicallysummarized,especiallythefeasibilityofmethaneproducedfromtheanaerobicdigestionofthesludgeisdiscussedandtheadvancedtechnologyontheimprovementofdigestionspeedisalsointroduced,aswellasthemethanedesulphurizationtechnologybybiotechnology.TheresourcereuseresearchonthemethaneproducedfromtheanaerobicdigestionofthesludgeconformstothesituationofChinaanditwillbeaneffectivemethodinthedisposalanduseofsludgeinourcountry.Keywordsmunicipalsludgemethaneozoneultrasonicwavebiotechnology,,[1],()130t,10%,,,()840t,3.2%,,,,,,,,57%[2],,1,[35]:,[38],,,,,,,,,,,,NPK,,,4,;,,,22.1,(),,32.2[4,5,9,10],1420063211November2006IndustrialSafetyandEnvironmentalProtection©1994-2011ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1),,,,(2),,pH,,pH,,,pH7.57.8(3),,,,(4),C/NC/N,,;C/N,,,C/N(1020)1(5),,,,;,,,,5%12%(6)Na+K+Ca2+Mg2+NH4+SO2-4NO-3NO-3,3,,,,,,,,;,,25%30%,70%30%,30%,10%[8]3.1,,,,()10%,25%,,,0.5m3/(kWh)(25MJ/m3)20600kW,0.60.8m3/(kWh)(21MJ/m3),,[11]3.2,,,,,100m3,4000m3,,,3104kWh107kWh,500014114.12080,[12,13],,,,,4.1.1,,,,,,,,,30%,,,[6],,(3.6kW,31kHz,64s),(SCOD)630mg/L2270mg/L,8d[14]20kHz,0.12W/cm34hCODCOD(SCOD/TCOD)36%89%,N34%42%,,[15],15d,2h61%,12d,[16]40min10min59%[17],,(0.3W/cm3)(10min)[7],,37%,Yoon,,[18],24©1994-2011ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[19],,(O3/COD)0.1g/g,,1.8,2.2,,[20],,,;,O3/SS0.1g/gVATECHWABAG,,:O3/DS0.06g/g,45%65%,30%40%[5],,4.2H2S,H2S,,,,,,,1941,M.PrussH2S2080[21],20045,,14g/Nm200g/m3,,[22]H2S,:H2S1.1g/m3,0.34L/min,98.6%;H2S2.44g/m3,0.17L/min,100%pH1.92.0,0.56g/m3,,,:,,5,,,,,,,,,,,,,1,,..,2004,20(12):89922Kart,KlausRImboff.Taschenbuchderstadtentwaesserung,29.Auflage.Mucnehen,Wien:TUBraunchweigVerlag,1999.2893,..,2003(3):13174..:,2003.1061155..:,20056,..,2004,23(1):86897,..,2006,25(1):61658,,..,1996(4):50569..,2004(4)10,..:,2004.667811..,2004(5):121512PalostathisSG,GossettJM.Apreliminaryconversionmechanismsinanaerobicdigestionofbiologicalsludges.JournalofEnvironmentalEngi2neering,ASCE,1986,114:57559213GossettJM,BelserRL.Anerobicdigestionofwateractivedsludges.ASCE,1982,108:110114TiehmA,NickleK,NeisU.Theuseofultrasoundtoacceleratetheanaerobicdigestionofsewagesludge.WatSciTech,1997,36(11):12112815YChiu,CChang,JLin,etal.Alkalineandultrasonicpretreatmentofsludgebeforeanaerobicdigestion.WatSciTech.,1997,36,(11):15516216PBClark,INujjoo.Ultrasonicsludgepretreatmentforenhancedsludgedigestion.JCIWEM,14,667117QWang,MKuninobu,et.a1.Theuseofultrasoundtoacceleratetheanaerobicdigestionofsewagesludge.WatSciTechno1,1997,36,(11):12112818Yoon,Seong-Hoon,LeeSangho.Criticaloperationalparametersforzero34©1994-2011ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1.454000;2.410083),,-,,,AnalysisonIlluminationSafetyinProductionofAssemblyLineHOUJinxiu1ZHANGJinchun2(1.SchoolofSafetyScienceandEngineering,HenanPolytechnicUniversityJiaozuo,Henan454000)AbstractAccordingtothecharacteristicsofproductionofassemblyline,therelationshipbetweenilluminationlevelandsafetyinproductioninassemblylineisanalyzedandamodelofilluminationsafetyperformanceisfounded,inwhichthespecificqualitativeandquantitativeanalysisonitisconducted,whichissignificanttoenterprisedesign,theoptimizationofilluminationsystemandtoensuretheproductioninsafety.Keywordsassemblylineilluminationsafety,,,,,,,[1,2],,,,[3],,2,,[4]1(1),,,,,,,,,,,,,(2),,,(3),,,(4),,,,(5),;,2-sludgeproductioninbiologicalWastewatertreamentplantprocessescombinedwithsludgedisintegration.WaterResearch,2005,39:3738375419WeemaesM,GrootaerdH,Simoensf,etal.Anaerobicdigestionofo2zonizedbiosolids.WaterResearch,2000,34(8):2330233620,..,2005,27(2):9910121,,..:,200522,.H2S.,2000,26(1):4650(:20060430)44IndustrialSafetyandEnvironmentalProtection20063211November2006©1994-2011ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.