BS EN ISO 11733-2005 水质.水介质中有机化合物的去除率和生物降解能力测定.活性污泥模拟试验

作者:标准资料网 时间:2024-05-02 08:48:33  浏览:9877   来源:标准资料网

【英文标准名称】:Waterquality-Determinationoftheeliminationandbiodegradabilityoforganiccompoundsinanaqueousmedium-Activatedsludgesimulationtest
【原文标准名称】:水质.水介质中有机化合物的去除率和生物降解能力测定.活性污泥模拟试验
【标准号】:BSENISO11733-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-07-14
【实施或试行日期】:2005-07-14
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:清除;活性污泥;鳕鱼;试验规程;有机化合物;水质试验;降解能力;生物降解能力;好气菌;水质;定义;试验;模拟
【英文主题词】:Activatedsludges;Aerobicbacteria;Biodegradability;COD;Definition;Definitions;Degradability;Elimination;Organiccompounds;Simulation;Testprocedures;Testing;Waterquality;Watertesting
【摘要】:ISO11733:2004specifiesamethodforthedeterminationoftheeliminationandthebiodegradabilityoforganiccompoundsbyaerobicmicro-organisms.Theconditionsdescribedsimulateawastewatertreatmentplant.Twotestsystemscanbeused:activatedsludgeplantsorporouspots.Thetestscanoptionallybeperformedunderconditionsofnitrificationanddenitrificationandcouplingoftheunits.Themethodappliestoorganiccompoundswhich,undertheconditionsofthetest,aresolubleintapwateratthetestconcentrationandnotexpectedtobetransformedtoinsolublemetabolitesifbiodegradation,inadditiontoelimination,isdetermined;poorlywater-soluble,butwhicharesatisfactorilydispersibleinwaterandallowdetectionwithsuitableanalyticalmeans(e.g.organiccarbonmeasurements);non-volatile,orwhichhaveanegligiblevapourpressureunderthetestconditions;notinhibitorytothetestmicro-organismsattheconcentrationchosenforthetest.CompoundsinhibitoryatconcentrationsusedinthistestmaybetestedatconcentrationslessthantheirEC20value,followedbyhigherpracticalconcentrationsafteraperiodofacclimatization.Themethodcanalsobeusedtomeasurethebiodegradationandeliminationofdissolvedorganiccompoundsinwastewater(alsocalled"testcompound"inthemethod).
【中国标准分类号】:Z16
【国际标准分类号】:13_060_70
【页数】:36P;A4
【正文语种】:英语