UASBSBR工艺处理皂素生产废水的快速启动研究李庆新

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