精品文档---下载后可任意编辑As()Ⅲ 和 Sb()Ⅲ 的化学及光化学催化氧化机理讨论的开题报告摘要本文旨在探究 As(Ⅲ)和 Sb(Ⅲ)在氧化过程中的化学及光化学催化机理，以期为水体、土壤等环境中 As、Sb 等污染物的治理提供理论支持。本文首先介绍了 As、Sb 的发现历程和化学特性，并详细阐述了As(Ⅲ)和 Sb(Ⅲ)的毒性机理。在此基础上，本文综述了目前 As、Sb 化学氧化方法的现状及其治理效果。接着，本文探讨了光化学催化氧化技术的基本原理和讨论进展，重点讨论了 As(Ⅲ)、Sb(Ⅲ)光催化氧化反应的反应机理和影响因素，比较了不同光源对 As、Sb 光催化氧化反应的影响，分析了光催化氧化反应的优点与不足，提出了如何进一步提高光催化氧化的效率和稳定性的建议。最后，本文展望了 As、Sb 治理领域的未来进展趋势，认为光催化氧化技术在 As、Sb 污染物治理方面具有宽阔的应用前景。关键词：As(Ⅲ)、Sb(Ⅲ)、化学氧化、光化学催化氧化、反应机理AbstractThis paper aims to explore the chemical and photochemical catalytic oxidation mechanisms of As(III) and Sb(III) in the oxidation process, in order to provide theoretical support for the treatment of As, Sb and other pollutants in water, soil and other environments.This paper first introduces the history of the discovery of As, Sb and their chemical properties, and elaborates on the toxicity mechanisms of As(III) and Sb(III). On this basis, this paper reviews the current status of chemical oxidation methods for As and Sb and their treatment effects.Subsequently, this paper discusses the basic principles and research progress of photochemical catalytic oxidation technology, focusing on the reaction mechanism and influencing factors of As(III) and Sb(III) photo-catalytic oxidation reactions, comparing the impact of different light sources on As and Sb photo-catalytic oxidation reactions, analyzing the advantages and disadvantages of photo-catalytic oxidation reactions, and making suggestions on how to further 精品文档---下载后可任意编辑improve the efficiency and stability of photo-catalytic oxidation.Finally, this paper looks forward to the future development trend of As, Sb treatment field, and believes that photo-catalytic oxidation technology has broad application prospects in the treatment of As, Sb pollutants.Keywords: As(III), Sb(III), chemical oxidation, photochemical catalytic oxidation, reaction mechanism
