N 掺杂石墨烯激活过硫酸盐的活性位点和非辐射途径的结构调控

IF 3.4 3区化学 Q2 CHEMISTRY, PHYSICAL

Catalysis Communications Pub Date : 2024-02-01 DOI:10.1016/j.catcom.2024.106910

Xue Zhang , Baowei Zhao , Nan Wu

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引用次数: 0

摘要

在本研究中，我们研究了 N-掺杂石墨烯（N-rGO）活化过一硫酸盐（PMS）的非自由基途径和活性位点。所有制备的 N-rGO 样品都能激活 PMS 并形成非自由基途径。石墨化-N位点是N-rGO活化PMS的主要位点，其含量与非辐射途径的强度呈正相关。对于磺胺甲噁唑（SMX），NH-rGO-10/PMS 和非自由基在 10 分钟内的降解率分别为 93.66% 和 75.34%。在存在不同阴离子和不同浓度腐植酸的情况下，SMX 的去除率仍然超过 90%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Active sites and structure regulation of non-radical pathways in N-doped graphene-activated persulfate

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Active sites and structure regulation of non-radical pathways in N-doped graphene-activated persulfate

In this study, we investigated the non-free radical pathways and active sites of N-doped graphene (N-rGO)-activated peroxymonosulfate (PMS). All as-prepared N-rGO samples could activate PMS and develop non-radical pathways. Graphitic-N sites were the major sites for N-rGO activation of PMS, and their content was positively related to the intensity of non-radical pathways. For sulfamethoxazole (SMX), the degradation rate by NH₃-rGO-10/PMS and non-radicals within 10 min was 93.66 and 75.34% respectively. In the presence of different anions and different concentrations of humic acid, the removal rate of SMX was still more than 90%.

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来源期刊

Catalysis Communications 化学-物理化学

CiteScore

6.20

自引率

2.70%

发文量

183

审稿时长

46 days

期刊介绍： Catalysis Communications aims to provide rapid publication of significant, novel, and timely research results homogeneous, heterogeneous, and enzymatic catalysis.