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芳烃硝化废水毒性削减技术的研究 Title:ResearchontheToxicityReductionTechnologyofAromaticHydrocarbonNitrationWastewater Abstract: Thenitrationofaromatichydrocarbonsisanimportantindustrialprocess,butitgenerateswastewatercontainingvarioustoxiccompounds.Thetoxicityreductionofaromatichydrocarbonnitrationwastewaterisofutmostimportancetoensureenvironmentalandhumanhealth.Thispaperaimstoinvestigateandanalyzevarioustechnologiesandapproachesforreducingthetoxicityofaromatichydrocarbonnitrationwastewater.Itevaluatestheeffectivenessandfeasibilityofdifferenttreatmentstrategies,includingphysicochemicalmethods,biologicalprocesses,andcombinedapproaches.Theresearchfindingssummarizedinthispaperprovidevaluableinsightsforthedevelopmentofpracticalandefficienttechniquesforthedetoxificationofaromatichydrocarbonnitrationwastewater. 1.Introduction 1.1Backgroundandsignificance 1.2Objectivesandscope 1.3Researchmethodology 2.Compositionandtoxicityofaromatichydrocarbonnitrationwastewater 2.1Nitrationprocessandwastewatergeneration 2.2Contaminantspresentinaromatichydrocarbonnitrationwastewater 2.3Toxicityassessmentofaromatichydrocarbonnitrationwastewater 3.Physicochemicalmethodsfortoxicityreduction 3.1Electrochemicaloxidation 3.2Adsorptiontechniques 3.3Advancedoxidationprocesses(AOPs) 3.4Chemicalprecipitation 3.5Membrane-basedprocesses 4.Biologicaltreatmentapproaches 4.1Activatedsludgeprocess 4.2Biologicalaeratedfilters 4.3Sequencingbatchreactors 4.4Constructedwetlands 4.5Biofilmreactors 5.Combinedtreatmentstrategies 5.1Combinationofphysicochemicalandbiologicalmethods 5.2Integrationofadvancedoxidationprocesseswithbiologicalsystems 6.Evaluationoftreatmentefficiencyandfeasibility 6.1Removalefficiencyoftoxiccompounds 6.2Economicfeasibilityandoperationalconsiderations 6.3Environmentalimpactsofdifferenttreatmentapproaches 7.Casestudiesontoxicityreductiontechnologies 7.1Casestudy1:Electrochemicaloxidationcombinedwithactivatedcarbonadsorption 7.2Casestudy2:Membranefiltrationfollowedbybiologicaltreatment 7.3Casestudy3:Con