高能VUV光解/催化氧化协同降解偏二甲肼废气研究

本课题针对我国液体推进剂偏二甲肼废气污染净化技术存在的问题，围绕封闭空间偏二甲肼废气的高效快速处理方法和技术，借鉴室内空气中挥发性有机物控制净化技术的研究进展，提出利用高能真空紫外光（VUV）光解协同锰氧化物催化氧化技术，研究在室温条件下简单高效的偏二甲肼废气净化技术与净化工艺，进一步改善偏二甲肼推进剂库区等特殊封闭空间的空气质量，增强部队在特殊环境下处置肼类推进剂事故的能力。其中VUV光解耦合催化氧化机制及对偏二甲肼降解过程中反应规律研究是本项目要完成的两个核心任务。本项目将围绕①高效VUV光解协同催化氧化偏二甲肼作用机制研究，②轻质碳材料/MnOx高效催化剂制备与催化作用机制研究，③偏二甲肼在协同作用降解过程中化学反应机制及反应动力学规律、能量变化规律等关键科学问题开展工作，获得一种高效的偏二甲肼净化方法和优化可控的过程工艺条件，从而完成项目研究任务，实现预期研究目标。

Aiming at the problems of gas purification of liquid propellant dimethylhydrazine, the project presents a simple and efficient technology for dimethylhydrazine waste gas purification at room temperature by using high energy vacuum ultraviolet light(VUV) and manganese oxide as catalytic oxidation technology. Based on the research progress of control purification technology of volatile organic compounds in indoor air to further improve the air quality of special enclosed space such as the area of dimethylhydrazine propellant, and to enhance the capability of disposal of Hydrazine propellant accidents. VUV photolysis coupling catalytic oxidation mechanism and the study of reaction law during the degradation of partial dimethylhydrazine are the two core tasks of this project. This project will focus on the mechanism study of highly effective VUV photolysis and synergistic catalytic oxidation of dimethylhydrazine, and the study of the mechanism of the preparation and catalytic action of the high effective catalyst of light carbon material MnOx. This project will focus on the research on the mechanism of high efficiency VUV photolysis Co-catalytic oxidation of dimethylhydrazine, the preparation and catalytic mechanism of high efficiency catalyst of light carbon material MnOx, the chemical reaction mechanism of dimethylhydrazine in the process of synergistic degradation, and the law of reaction Kinetics and energy change, so as to obtain an efficient purification method of dimethylhydrazine and optimized controlled process conditions, so as to accomplish the project task and achievement of expected research objectives.