基于天然黄铁矿构筑自修复循环催化剂及其催化性能研究

doi:10.11896/cldb.24090156

材料导报

2025, Vol. 39

Issue (20): 24090156-8 https://doi.org/10.11896/cldb.24090156

无机非金属及其复合材料

基于天然黄铁矿构筑自修复循环催化剂及其催化性能研究

王异^1,2,3, 覃佳勇², 陆胜达², 黄旭东², 黄在银^2,*, 张飞武^1,*

1 中国科学院地球化学研究所关键矿产成矿与预测全国重点实验室,贵阳 550081
2 广西民族大学化学化工学院,南宁 530006
3 中国科学院大学地球与行星科学学院,北京 100049

Study on the Construction of Self-healing Recyclable Catalysts Based on Natural Pyrite and Their Catalytic Performance

WANG Yi^1,2,3, QIN Jiayong², LU Shengda², HUANG Xudong², HUANG Zaiyin^2,*, ZHANG Feiwu^1,*

1 State Key Laboratory of Critical Mineral Research and Exploration, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
2 College of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning 530006, China
3 College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China

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摘要传统芬顿催化处理技术因催化效率低、易引发二次污染等多种痛点问题,在工业废水处理中的应用受限,开发具有高催化活性和稳定性的芬顿类催化剂是废水处理的重大挑战。本工作以天然黄铁矿(Pyrite)作为芬顿铁源,利用机械球磨法成功设计了一种新型自修复非均相芬顿试剂——pyrite@WS₂。以罗丹明B为模型污染物,采用多因素实验系统评估了催化剂性能。结果表明,助催化剂WS₂的引入显著促进了铁离子与亚铁离子之间的循环转化,实现了亚铁离子的缓释,从而提高了体系中羟基自由基(·OH)和超氧自由基(·O₂^-)的生成效率,增强了污染物的降解效果,并使体系具有自修复循环能力,进而拓宽了pH适用范围,减少了二次污染,显著提升了反应效率,起到三重协同作用。自由基捕获实验及电子顺磁共振进一步证实了·OH和·O₂^-是催化过程中的主要活性物质。此外,还验证了该催化剂的可批量生产性,并测试了其在多种有机染料降解实验中的优异表现。本工作旨在为黄铁矿基多相芬顿试剂的开发提供全新视角,为解决芬顿类催化剂低催化效率与易二次污染的问题提供参考。

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	王异
	覃佳勇
	陆胜达
	黄旭东
	黄在银
	张飞武

关键词: 非均相芬顿反应机械球磨法黄铁矿二硫化钨自修复循环

Abstract: The conventional Fenton catalytic treatment technology faces significant challenges, including low catalytic efficiency and a high risk of secon-dary pollution, which limit its widespread application in industrial wastewater treatment. Therefore developing Fenton-like catalysts with high catalytic activity and stability is a major challenge in wastewater treatment. In this work a novel self-healing heterogeneous Fenton reagent, pyrite@WS₂, was successfully designed using natural pyrite as the Fenton iron source through mechanical ball milling. The catalytic performance was evaluated using rhodamine B as a model pollutant in a multifactor experimental system. The results demonstrated that the introduction of the co-catalyst WS₂ significantly enhanced the cyclic conversion between ferric and ferrous ions, leading to an expanded pH range, reduced secondary pollution, and significantly improved reaction efficiency, showcasing a triple synergistic effect. Radical scavenging experiments and EPR further confirmed that ·OH and ·O₂^- were the primary active species in the catalytic process. Additionally, the study validated the catalyst’s potential for mass production and tested its excellent performance in degrading various organic dyes. In conclusion, this work may provide a new perspective on the development of pyrite-based heterogeneous Fenton reagents and offer an innovative and practical strategy to address the challenges of low catalytic efficiency and secondary pollution in Fenton catalysts.

Key words: heterogeneous Fenton reaction mechanical ball milling technique pyrite tungsten disulfide self-healing cycle

发布日期: 2025-10-27

ZTFLH:

O643

基金资助: 国家自然科学基金(41773057;22263001;2187030521);国家大学生创新创业训练计划项目(202210608147X;202210608130;202410608003X)

通讯作者: *黄在银,广西民族大学化学化工学院二级教授、硕士研究生导师。目前主要从事纳米材料合成及其热动力学性质、矿物基功能材料的开发、赤泥等固废资源化利用的相关研究工作。HuangZY@gxmzu.edu.cn
张飞武,博士,中国科学院地球化学研究所研究员、博士研究生导师。主要研究方向是探索地质条件下矿物物理性质及其理论模型的前沿方法。zhangfeiwu@vip.gyig.ac.cn

作者简介: 王异,中国科学院大学博士研究生,指导教师为张飞武研究员,与广西民族大学黄在银教授合作进行矿物基功能材料的开发及其应用。

引用本文:

王异, 覃佳勇, 陆胜达, 黄旭东, 黄在银, 张飞武. 基于天然黄铁矿构筑自修复循环催化剂及其催化性能研究[J]. 材料导报, 2025, 39(20): 24090156-8.
WANG Yi, QIN Jiayong, LU Shengda, HUANG Xudong, HUANG Zaiyin, ZHANG Feiwu. Study on the Construction of Self-healing Recyclable Catalysts Based on Natural Pyrite and Their Catalytic Performance. Materials Reports, 2025, 39(20): 24090156-8.

链接本文:

https://www.mater-rep.com/CN/10.11896/cldb.24090156 或 https://www.mater-rep.com/CN/Y2025/V39/I20/24090156

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