两级放电新型DBD等离子体反应器处理印染废水及其机理研究

项目名称： 两级放电新型DBD等离子体反应器处理印染废水及其机理研究

项目编号： No.51308315

项目类型： 青年科学基金项目

立项/批准年度： 2014

项目学科： 建筑科学

项目作者： 陶旭梅

作者单位： 青岛科技大学

项目金额： 25万元

中文摘要： 利用两级放电新型DBD等离子体反应器处理印染废水，并研究其降解机理。通过内外套筒结构及印染废水的连续流动，巧妙地实现了两级介质阻挡放电，有效地提高了等离子体和印染废水的接触面积，改善了质量传递和动量传递，使处理效率提高，为等离子体处理废水应用于实践奠定基础。通过研究反应器结构、等离子体放电参数及废水的流速、浓度等对废水处理效果和有机物降解的影响，优化反应器结构，提高能量利用效率；通过研究等离子体中各种活性粒子的生成机理、分析中间产物和有机污染物的浓度变化，探讨两级DBD等离子体废水处理机理。本研究提出的两级放电新型DBD等离子体反应器未见国内外相关报道，具有原始创新性。本研究一旦取得突破，可以降低能耗，为等离子体处理废水工业化奠定基础。这可以从理论和方法上拓展等离子体废水处理技术，也可以为水处理提供一条新型、高效的途径。

中文关键词： 介质阻挡放电；两级放电；印染废水；降解机理；废水处理

英文摘要： Novel two-level DBD plasma reactor for printing and dyeing wastewater treatment and its degradation mechanism were presented. With internal and external sleeve structure and continuous flow wastewater, two-level DBD plasma was skillfully realized, and the contact area of plasma and wastewater was greatly improved, as well as the mass transfer and the treatment efficiency, which made the plasma technology for wastewater treatment better applied in practice. The effects of reactor structure, discharge parameters, as well as the flow rate and concentration of wastewater on the treatment efficiency and organic contaminants degradation were investigated to optimize the reactor structure and improve the energy efficiency; the gereration mechanism of active particles, the intermediate products and the concentration changes of organic contaminants were studied to obtain the mechanism of wastewater treatment with two-level DBD plasma reactor. The novel two-level DBD plasma reactor was most innovative and forward looking. Once breakthrough progress had been made, the energy consumption would be lowed, and the technology would be industrialized. Wastewater treatment technology with plasma would be expanded from the theory and practice, and a novel high-efficiency way for wastewater treatment was provided.

英文关键词： DBD；two-level discharge；printing and dyeing wastewater；degradation mechanism；wastewater treatment