Cai Jiaping,Ruan Huiyuan,Zhang Yanhui*.Research progress of photocatalysts for the reduction of Cr ( VI ) in electroplating wastewater[J].Plating & Finishing,2023,(10):59-67.[doi:10.3969/j.issn.1001-3849.2023.10.010]
还原电镀废水中Cr（VI）的光催化剂研究进展
- Title:
- Research progress of photocatalysts for the reduction of Cr ( VI ) in electroplating wastewater
- 关键词:
- 电镀废水 Cr （ VI ）还原; 光催化机理; 氧化物催化剂; 硫化物催化剂
- Keywords:
- reduction of Cr VI from electroplating wastewater ; photocatalytic mechanism ; oxide catalyst ; sulfide catalyst
- 分类号:
- TQ110.9
- 文献标志码:
- A
- 摘要:
- Cr （ VI ）作为电镀废水中常见的重金属污染物，因毒性高、易迁移，因此严重危害环境和人体健康。光催化技术具有节能、高效、易操作、无二次污染等优点，被认为是一种极具应用前景的 Cr （ VI ）还原技术。为了更好地理解和设计光催化剂催化还原 Cr （ VI ）到 Cr （ III ），从而降低环境中存在的铬离子毒性，在此综述了光催化还原 Cr （ VI ）到 Cr （ III ）的反应机理和光催化 Cr （ VI ）催化剂的研究进展，并对今后还原去除电镀废水中 Cr （ VI ）的发展提出了展望，以期为开发出高效率光催化还原 Cr （ VI ）的催化剂研究提供参考。
- Abstract:
- ： Cr （ VI ） is a common heavy metal contaminant in electroplating wastewater. Due to its high toxicity and easy migration ， Cr （ VI ） seriously harms the environment and human health. Photocatalysis is considered as a promising Cr （ VI ） reduction technology due to its advantages of energy saving ， high efficiency ， easy operation and no secondary pollution. In order to better understand and design photocatalysts for catalytic reduction of Cr （ VI ） to Cr （ III ）， so as to reduce the toxicity of chromium ions in the environment ， the reaction mechanism of photocatalytic reduction of Cr （ VI ） to Cr （ III ） and the research progress of photocatalytic Cr （ VI ） catalysts are reviewed. The future development of Cr （ VI ） removal from electroplating wastewater is prospected ， which is expected to provide reference for developing high efficiency photocatalytic catalyst for Cr （ VI ） reduction.
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备注/Memo
收稿日期： 2023-02-02 修回日期： 2023-03-18 作者简介： 蔡佳萍（ 2000 —），女，硕士研究生，研究方向：环境功能材料， email ： 1015887714@qq.com * 通信作者： 张燕辉（ 1986 —），男，副教授， email ： zhangyh@mnnu.edu.cn 基金项目： 国家自然科学基金资助项目（ 21703094 ）；福建省自然科学基金资助项目（ 2019J01743 ）