References():[1] WengDuan().EcomaterialScience()[M].Bei-jing:TinghuaUniversityPress,2001[2] GuZhen'an()andShiChangxu().ThestatueandthedevelopmentofmaterialindustryofChina[J].JournalofHuadongUniversityofTechnology(),2002,28(5):441~448[3] WangXinyou().Greenbuildingmaterialandecomaterial[J].JournalofBuildingMaterial(),1998,1(1):88~91[4] ShenWeiguo().StudyontheIndustrialSolidWasterRoadBaseMaterialISW-RBM(ISW-RBM)[D]:[PhDThesis].Wuhan:WuhanUniversityofTechnolo-gy,2005[5] ZuoTieyong().Thedevelopmentoftheresearchonmaterialen-vironmentalharmonyassessmentinChina[J].MaterialGuide(),2001,15(6):1~4[6] LiuJianglong().EnvironmentImpactAssessmentofMaterial()[M].Beijing:SciencePress,2002[7] MotzHandGeiselerJ.Productsofsteelslaganopportunitytosavenat-uralresources[J].WasteManagement,2001,21(2):285~293Environmentalimpactassessmentofsemi-rigidroadbasematerialSHENWei-guo,ZHOUMing-kai(MaterialScienceandEngineeringSchool,WuhanUniversityofTechnology,Wuhan430070,China)Abstract:Thispaperaimstopresentanoutput-inputmodelinitiatedbytheauthorsforevaluatingtheenvironmentalimpactofthetypicalroadbasematerialsonthecementgranularsoil,limefly-ashgranularsoilandtheindustrialsolidwasteroadbasematerials.Asisknown,theconstructionandthemaintenanceoftheroadbasematerialsde-pletedlargeamountofnaturalrocksandcementmaterials,suchascementorlime,therefore,theroadbasematerialhasahighimpactontheenvironment,however,sofarnotenoughattentionhasbeenpaidtosuchimpact.Therefore,thepresentauthorshavedoneacatalogueanalysisandunitaryanalysissoastoassessthestrengthofthesemi-rigidmaterialsthatmaygetcontractingwiththeconcrete.Theresultsofouranalysisindicatethattheindustrialsolidwasteroadbasematerialshadlowerresourcewastage,andtheirgreenhousegasandacidraingasandsolidwasteemissionproveslowerthanconcreteandotherordinaryroadbasematerials.Theenvironmentalimpactofsuchindustrialsolidwasteroadbasematerialsproveslowerthanthetypicalroadbasematerials,suchascementstabilizedgranularsoils.Suchmaterialscouldbeutilizedascementadmixturesoastomakethemawholeserialofecologicalbuildingmaterials.Keywords:environmentalengineering;semi-rigidroadbasemateri-al;environmentalimpact;lifecycleassessment;indus-trialsolidwasteroadbasematerialCLCnumber:X7 Documentcode:AArticleID:1009-6094(2005)05-0075-04*:2005-05-27:,,,;,、,。:(2003AA306B01);2003:1009-6094(2005)05-0078-04UASB+SBR*李庆新1,2,蔡鹤生1,周 君3,李少婷2,张 青4(1(),430074;2,430073;3,610225;4,442000) :。H2S,,,,。,,UASB+SBR2,,,UASB。,UASB,UASB+SBR,SO2-4,(21d)。UASB,COD34000mg/L,COD95%,COD1300mg/L。SBR,《》。。:;;UASB;:X703.1 :A0 ,、、。、、[1],,(COD3.0×104~4.0×104mg/L),(),,[2,3]。,UASB+SBR,[3,4],COD,,。,、、。UASBUASB。UASB[5]。,UASB+SBR,7855200510 安全与环境学报JournalofSafetyandEnvironment Vol.5 No.5 Oct,2005。1 1.1 。pH7~7.5;COD34400mg/L;SO2-44730~4840mg/L。UASB,10cm,100cm,6L,。1。1.2 。UASB7.8g/L,UASB,。SBR2.8g/L。、,UASB。(25~35℃),UASBMLSS,(HRT)2d;SBR6h。1.3 COD;MLSS;pHpHS-25pH。1—;2—;3—UASB;4—5—;6—SBR;7—;8—1 Fig.1 Flowchartofexperimentalequipment2 2.1 UASB(COD5000mg/L)。COD1.0kg/(m3·d),COD。,,。,,SV30()98.0%,,COD。,3dCOD,SV30。COD,COD,26dSV3095%(2~4)。LettingaUASB3[5],3,3。,SV30MLSS3。45,15d,MLSS。2,MLSS8.6g/L16.2g/L,SV3084%34%,COD93%(5),21d。。COD34000mg/L,COD95%,COD1300mg/L。[6],UASBCOD2.5kg/(m3·d),COD80%,。22d。,58dUASB,85d[7];[8]。 ,,SO2-4[9]。SO2-4S2-,Fe2+S2-FeS,H2S[10];Fe2+,Fe2+。,,COD。H2SH2S+2e※H2+S2-,2H++2e※H2;Fe+S2-※FeS+2e,,H+,,。,0.0686d-1,。FeS,。,Fe2+,,,SV30。,COD,2~5。,,。2.2 SBR6,22d,。COD,200mg/L。UASB,COD、,Fe2+,Fe3+,;SBRCOD79200510 ,:UASB+SBR Oct,20052 UASBCODFig.2 CODvalueandremovalefficiencyduringnaturalizationinUASB3 UASBCODFig.3 CODvalueandremovalefficiencyduringnaturalizationinUASB4 UASBMLSSFig.4 MLSSinUASBvariationcurve5 UASBSV30Fig.5 SV30variationcurveinUASB6 SBRCODFig.6 CODvalueandremovalefficiencyinstart-upofSBR7 SBRCODFig.7 CODvalueandremovalefficiencyinnormaloperatingofSBR85%,。COD200mg/L,(20,7),GB8978—1996《》(300mg/L),。3 1),UASB,SO2-4,(21d),0.0686d-1。UASB,COD3400080 Vol.5 No.5 安全与环境学报 55mg/L,HRT2d,COD95%。2)UASB,UASB,,。UASB+SBR,COD,《》。3)UASB+SBR,。UASB。References():[1] LiuChun().Explorationonpollutioncharacterandtreatmentcountermeasureofwastewaterproducedinsaponinproductiveprocess[J].EnvironmentalProtectionScience(),2001,27(6):22~24[2] ZhengYixin().studyontreatmentandreuseofhigh-levelor-ganicwastewaterinpharmaceuticalindustry[J].ResearchofEnvironmentalSciences(),1999,12(4):19~20[3] LiuDayin(),BiYafan(),LiQingxin(),etal.Apracticabletechnologyofcomprehensivetreatmentofdiosgeninwastewater(1)[J].JournalofWuhanInstituteofChemicalTechnology(),2003,25(4):33~36[4] QinHua()andHeYunyun().Analysisandcontrolcoun-termeasureofenvironmentalproblemofdiosgeninindustryinHanzhong[J].ShaanxiEnvironment(),2003,10(3):23~25[5] HeYanling().AnaerobicBiotechnologyforWastewater()[M].Beijing:ChinaLightIndustryPress,2001.130~131[6] ZhangZhiyang(),LiJianghua(),JiaLiyun(),etal.Experimentalstudyonsaponinwastewatertreatmentwithcombi-nationprocessofUASB-Bio-Contactoxidationflocculationandsedimen-tation[J].UrbanEnvironmentandUrbanEcology(),2003,16(Suppl):32~35[7