ASTM D5210-1992(2007) 测定市政污秽沉积物现场的塑料材料厌氧生物降解能力的标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminingtheAnaerobicBiodegradationofPlasticMaterialsinthePresenceofMunicipalSewageSludge
【原文标准名称】:测定市政污秽沉积物现场的塑料材料厌氧生物降解能力的标准试验方法
【标准号】:ASTMD5210-1992(2007)
【标准状态】:现行
【国别】:
【发布日期】:1992
【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】:D20.96
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:塑料;试验;污泥;生物降解能力
【英文主题词】:anaerobic;biodegradation;degree(ofbiodegradation);municipal;plastics;sewage;sludge
【摘要】:Thedegreeandrateofanaerobicbiodegradabilityofaplasticmaterialinthistestmethodmaybepredictiveofthetimeperiodrequiredtoeliminatethatplasticfromtheenvironmentdependingonthesimilaritiesoftheenvironments.Withincreasinguseofplastics,disposalisamajorissue.Thistestmethodmaybeusefultoestimatethedegreeandpersistenceofplasticsinbiologicallyactiveanaerobicdisposalsites.Thistestmethoddeterminestherateanddegreeofanaerobicbiodegradationbymeasuringtheevolvedvolumeofcarbondioxideandmethane,asafunctionoftimeofexposuretoanaerobic-digestersludge.Anaerobicsewer-digestersludgefromtreatmentofclarifiersludgeatawaste-watertreatmentplantthattreatsprincipallymunicipalwasteisanacceptableactiveanaerobicenvironment(availableoverawidegeographicalarea)inwhichtotestabroadrangeofplasticmaterials.Thistestmethodmaybeconsideredanacceleratedtestwithrespecttoatypicalanaerobicenvironment,suchaslandfillsitesthatplasticsencounterinusualdisposalmethodsbecauseofthehighlyactivemicrobialpopulationofanaerobic-digestersludge.1.1Thistestmethoddeterminesthedegreeandrateofanaerobicbiodegradationofsyntheticplasticmaterials(includingformulationadditives)onexposuretoanaerobic-digestermunicipalsewagesludgefromawaste-waterplant,underlaboratoryconditions.1.2Thistestmethodisdesignedtoindexplasticmaterialsthataremoreorlessbiodegradablerelativetoapositivestandardinananaerobicenvironment.1.3Thistestmethodisapplicabletoallplasticmaterialsthatarenotinhibitorytothemicroorganismspresentinanaerobicsewagesludge.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsaregiveninSection8.
【中国标准分类号】:Z13;G31
【国际标准分类号】:13_030_20
【页数】:5P.;A4
【正文语种】: