ASTM D5120-1990(2004) 活性污泥处理中微生物培养时抑止呼吸的试验方法

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【英文标准名称】:StandardTestMethodforInhibitionofRespirationinMicrobialCulturesintheActivatedSludgeProcess
【原文标准名称】:活性污泥处理中微生物培养时抑止呼吸的试验方法
【标准号】:ASTMD5120-1990(2004)
【标准状态】:现行
【国别】:
【发布日期】:1990
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D34.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:擒纵机构;活性污泥;细菌培养;活性污泥处理法;呼吸
【英文主题词】:inhibitionofrespiration;microbialcultures;microbialculturesintheactivatedsludgeprocess;respiration
【摘要】:Theobjectivesoftherespirationinhibitiontestsmaybedefinedbytheinterestsoftheuser,butthetestmethodisdesignedprimarilyforexaminationoftheinhibitionresponsewithoperatingmicrobialsystemssuchasanactivatedsludgeprocesstreatingdomesticorindustrialwastes.Differentapparatusexistthatfacilitatecontinuousorcontinualmeasurementofrespirationinmicrobialsystemsandeachmaybeusedasthetooltoobserverespirationinthistestmethod.Respirometrymayutilizeanyapparatusandtechniquethatwillachievethedeterminationofrespirationrate.AnumberofdevicesarepresentedinAppendixX1.Equivalencyintheexperimentalcapabilityofeachdeviceisnotimplied.Theanalystshouldselecttherespirometricapproachthatbestsuitshisneeds.Theinhibitoryeffectofatestcandidateisidentifiedmorecompletelybyexamininginhibitionoverarangeofconcentrations,suchasdeterminingtheEC50.Theuseofaeratedcontainerspermitsconcurrentmanagementofaseriesofcellsuspensions.Arespirometerforeachcellsuspensionmightalsobeused.1.1Thistestmethodcoversabatchprocedurethatevaluatestheimpactofselectedwastewaters,materials,orspecificcompoundsontherespirationrateofanaqueousmicrobialculture,suchasactivatedsludge.1.2Alternativeproceduresformeasurementofmicrobialactivity,suchasadenosine5`triphosphate(ATP),specificsubstrateutilization,etc.arenotwithinthescopeofthistestmethod.1.3Theresultsobtainedarebasedoncomparisonsinaspecifictestseriesthatexaminesarangeofconcentrationsofthepotentiallyinhibitorytestcandidateusingbatchmethodsinalaboratory.Resultsarecompletedinashorttimeframe(afewhours).1.4Thetestresultsarespecifictothemicrobialcultureused.Microbialculturefromdifferentwastewatertreatmentplantswilldifferinkindsandnumbersoforganisms,andperformancecapability.Thus,thereisnobasisforcomparingresultsformicrobialculturesfromdifferenttreatmentfacilities.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z13
【国际标准分类号】:
【页数】:6P.;A4
【正文语种】: