ANSI/ASTM D5271-1992 活化污泥污水处理系统中利用塑料材料的有氧生物降解的试验方法

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【英文标准名称】:TestMethodforAccessingtheAerobicBiodegradationofPlasticMaterialsinanActivatedSludgeWastewater-Treatment-System(08.03)
【原文标准名称】:活化污泥污水处理系统中利用塑料材料的有氧生物降解的试验方法
【标准号】:ANSI/ASTMD5271-1992
【标准状态】:现行
【国别】:美国
【发布日期】:1992
【实施或试行日期】:1992-12-12
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:塑料;降解能力;污水处理厂;活性污泥;试验
【英文主题词】:degradability;plastics;testing;activatedsludges;sewagetreatmentplants
【摘要】:Thistestmethodisdesignedtoindexplasticmaterialswhicharemoreorlessbiodegradablerelativetoastandardinaerobicactivated-sludge-treatmentsystems.Thistestmethodisdesignedtobeapplicabletoallplasticmaterialsthatarenotinhibitorytothebacteriapresentintheactivatedsludge.Compoundswithtoxicpropertiesmaydelayorinhibitthedegradationprocess.Thistestmethodmeasuresthedegreeandrateofaerobicbiodegradationofplasticmaterials(includingformulationadditiveswhichmaybebiodegradable)onexposuretoactivated-sludgebiomassintheconcentrationrangefrom0.1to2.5g/Lmixed-liquorvolatilesuspendedsolids(MLVSS)underlaboratoryconditions.ThehighMLVSSconcentrationrelativetootherbiodegradationtestshastheadvantageofimprovedrepeatabilityandincreasedlikelihoodofmorerapidadaptationoracclimationofthebiomass.Thistestmethodallowsforthedeterminationofbiologicalnitrificationandtheoxidationofothernon-carboncomponentsoftheplastic.Thistestmethoddoesnotpurporttodeterminewhetherornotaplasticmaterialwillpassthroughprimarytreatmenttotheaerationbasinofanactivated-sludgewastewater-treatmentplant.Thesizeordensityoftheplasticmaterialmayexcludeitfromthesecondary-treatmentstageofatreatmentfacility.ThistestmethodisequivalenttoISO14851.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecifichazardsstatement,seeSection8.
【中国标准分类号】:G31
【国际标准分类号】:13_060_30
【页数】:
【正文语种】:英语