再生水处理工艺对有机微污染物去除效果的研究(3)

发布时间:2021-06-06

Abstract

Witheconomicdevelopmentandthequickeningofurbanization,thedepravationofenviromentalqualityhas

resourcesbecomeanimportantpublicourissue.Theinlackofwaterfirsthasbeenaseverechallengefor

overseasgovernmentthetwentycentury.Bothdomesticandexperiencehasshownthatthereclamation

effectivemeansofresolvingthewastewaterandreuseofurbanwastewaterwasan

problem,amelioratingenvironmentalconcerns,andaddressingtheissueseekingoutnewwaterreSourses。Atthepresenttimethereisconsiderablepublicfocusonsecurityissuesrelatingtoreclaimedwater.Bioaccumulation,carcinogenicity,teratogenecity,mutagenesis,andchronictoxicityoftrace,poisonousorganiccontaminationmaketheresearchofassessingtheecologicalsafetyandhealthriskofthesematerialsatopprojectinthefieldofenvironmentalsciences.

Thispaperinvestigatesthepresenceoftrace,poisonousorganicpollutantsindifferenttreatmentstagesofthewaterworksintwosewagetreatmentplantsandinthewaterenteringintotheNorthof

organicpollutantsfromaChina.Wedissusstheefficiencyoftheremovaloftypicalwastewatertreatmentprocesscurrentlybeingused,andevaluatethesecurityoftheoutputwateroftwotreatmentplants.First,Ianalysedthetrace,poisonousorganiccontamination,bothqualitativelyandquantitatively,bymassspectrometry(GC/MS)andgaschromatography,usinganelectroncapturedetector(GC/1.t—ECD).Second,1

Theestrogeniceffectandtestedtheintegrativetoxicitybybiologicalmethodseffectofthewater

bysamplesusingandthethedioxin—likeweresedimentationsamplesevaluated

7-Ethoxyresorufin—O—Diehthylase(EROD)assay,andrecombinantyeastassay.Finally,Icomparedtheresultbychemicalandbiologicalmethodsoftwoadvancedtreatmentproceduresintwowastewatertreatmentplants.Ihopetoestablishtheevaluativesystemofreclaimedwastewaterandcriterion.Resultsindicatedthat:(1)thepreferablerelativityof∑TEQbyGC—MSandEROD,riS0.9;(2)theefficiencyoftheremovaloforganicpollutantsfromroutinetreatmentstageshavesomeeffect,butthetypicalwastewatertreatmentstages

’cImeorderofmagnitudeasarcevidenteffect,inthecomparedtotheworld.theeffluentof1imeandtheconcreteJJ

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