高效的Mn-N-C催化剂催化氧化双酚A的性能研究

摘要高级氧化(AOPs)技术作为一种简单、高效的处理污染物手段受到了人们的广泛关注,它的实现依赖于可靠催化剂的活化。基于此我们用一种简易的方式在仅改变温度的条件下得到了2种晶型的Mn-N-C材料,结果表明,2种Mn-N-C材料在活化NaIO₄降解双酚A (BPA)的过程中都表现出了优异的催化氧化性能,同时还拥有良好的稳定性。进一步通过猝灭实验证明了反应过程产生的活性氧物种为超氧自由基(O^·-₂)和单线氧(¹O₂),为进一步探究了M-N-C催化剂的微观结构和反应机理,解决水体难降解污染物的问题,提供了一种具有可行性的方案。

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	季永胜
	李阳
	范晓彬
	张凤宝
	张国亮
	夏清
	彭文朝

关键词：高级氧化技术高碘酸盐单线态氧超氧自由基

Abstract： Advanced oxidation processes (AOPs) had received widespread attention as a simple and efficient means of treating pollutants, and its implementation relied on the activation of reliable catalysts. Based on this, we obtained two crystalline Mn-N-C materials in a simple way under the condition of only changing temperature. The results show that both Mn-N-C materials exhibit excellent catalytic oxidation performance and good stability in the process of activating NaIO₄ to degrade bisphenol A(BPA). Furthermore, quenching experiments are conducted to demonstrate that the reactive oxygen species generated during the reaction process are superoxide radicals (O^·-₂) and singlet oxygen(¹O₂). This provides a feasible solution for further exploring the microstructure and reaction mechanism of M-N-C catalyst and solving the problem of difficult to degrade pollutants in water.

Keywords： advanced oxidation process periodate singlet oxygen superoxide radical

Received 2023-04-23;

Fund:国家自然科学基金(U20A20153);天津市科技支持计划重点项目(20YFZCSN00610)。

Corresponding Authors: 彭文朝,副教授,wenchao.peng@tju.edu.cn。 Email: wenchao.peng@tju.edu.cn

About author: 季永胜(1994—),男,硕士研究生,现从事高碘酸盐处理水体污染物方面的研究。

引用本文:

季永胜, 李阳, 范晓彬, 张凤宝, 张国亮, 夏清, 彭文朝.高效的Mn-N-C催化剂催化氧化双酚A的性能研究[J]. 化学工业与工程, 2025,42(2): 1-10

JI Yongsheng, LI Yang, FAN Xiaobin, ZHANG Fengbao, ZHANG Guoliang, XIA Qing, PENG Wenchao.Performance of efficient Mn-N-C catalysts for the catalytic oxidation of Bisphenol A[J]. Chemcial Industry and Engineering, 2025,42(2): 1-10

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