UASB工艺处理三氯乙烯废水研究及其运行参数优化的开题报告摘要随着工业化进程的加快和化学工业的广泛应用，废水中有机物含量逐步上升。三氯乙烯是一种有毒有害的有机物，在破坏大气臭氧层和引起急性中毒方面具有重要作用。本文将研究以UASB工艺为基础的三氯乙烯废水处理方法，并进行运行参数的优化。首先，通过对三氯乙烯废水的特性进行分析，确定了该废水的处理难度较大，需要采用先进的处理工艺。然后，介绍了UASB工艺的基本原理，并分析其在处理三氯乙烯废水方面的优势与不足。接着，设计实验方案，通过对不同操作参数，如HRT、COD负荷、温度等实验条件的优化，确定最佳的运行参数。最终，通过对实验结果的分析和对经济、环境效益的综合评估，得出UASB工艺处理三氯乙烯废水的优化运行参数为：HRT为6h，COD负荷为5.5kg/m3·d，适宜温度为35℃。该结果表明，UASB工艺可以有效地降解三氯乙烯废水，具有非常高的实用价值。关键词：三氯乙烯废水；UASB工艺；运行参数；优化AbstractWiththeaccelerationofindustrializationandthewidespreadapplicationofchemicalindustry,theorganiccontentinwastewaterhasgraduallyincreased.Trichloroethyleneisatoxicandharmfulorganicmatter,whichplaysanimportantroleindestroyingtheatmosphericozonelayerandcausingacutepoisoning.Inthispaper,wewillstudythetrichloroethylenewastewatertreatmentmethodbasedonUASBprocess,andoptimizetheoperatingparameters.Firstofall,throughtheanalysisofthecharacteristicsoftrichloroethylenewastewater,itisdeterminedthatthedifficultyoftreatingthiswastewaterisrelativelyhighandadvancedtreatmentprocessesneedtobeadopted.Then,thebasicprincipleofUASBprocessisintroduced,anditsadvantagesanddisadvantagesintreatingtrichloroethylenewastewaterareanalyzed.Next,theexperimentalplanisdesignedtodeterminetheoptimumoperatingparametersbyoptimizingvariousoperatingparameterssuchasHRT,CODload,temperature,etc.Finally,throughtheanalysisoftheexperimentalresultsandthecomprehensiveevaluationofeconomicandenvironmentalbenefits,theoptimizedoperatingparametersofUASBprocessfortreatingtrichloroethylenewastewateraredeterminedtobe:HRTis6h,CODloadis5.5kg/m3·d,andsuitabletemperatureis35℃.ThisresultshowsthatUASBprocesscaneffectivelydegradetrichloroethylenewastewaterandhasveryhighpracticalvalue.Keywords:trichloroethylenewastewater;UASBprocess;operatingparameters;optimization