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

精品文档---下载后可任意编辑UASB 工艺处理三氯乙烯废水讨论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。本文将讨论以 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，需要采纳先进的处理工艺。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，具有非常高的有用价值。关键词：三氯乙烯废水；UASB 工艺；运行参数；优化AbstractWith the acceleration of industrialization and the widespread application of chemical industry, the organic content in wastewater has gradually increased. Trichloroethylene is a toxic and harmful organic matter, which plays an important role in destroying the atmospheric ozone layer and causing acute poisoning. In this paper, we will study the trichloroethylene wastewater treatment method based on UASB process, and optimize the operating parameters.First of all, through the analysis of the characteristics of trichloroethylene wastewater, it is determined that the difficulty of treating this wastewater is relatively high and advanced treatment processes need to be adopted. Then, the basic principle of UASB process is introduced, and its advantages and disadvantages in treating trichloroethylene wastewater are analyzed. Next, the experimental plan is designed to determine the optimum operating parameters by 精品文档---下载后可任意编辑optimizing various operating parameters such as HRT, COD load, temperature, etc.Finally, through the analysis of the experimental results and the comprehensive evaluation of economic and environmental benefits, the optimized operating parameters of UASB process for treating trichloroethylene wastewater are determined to be: HRT is 6h, COD load is 5.5kg/m3·d, and suitable temperature is 35℃. This result shows that UASB process can effectively degrade trichloroethylene wastewater and has very high practical value.Keywords: trichloroethylene wastewater; UASB process; operating parameters; optimization