Fe(II) and Pyridinic N complex sites synergy to activate PMS for specific generation of 1O2 to degrade antibiotics with high efficiency,Science of the Total Environment

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Fe(II) and Pyridinic N complex sites synergy to activate PMS for specific generation of 1O2 to degrade antibiotics with high efficiency
Science of the Total Environment ( IF 8.2 ) Pub Date : 2023-05-29 , DOI: 10.1016/j.scitotenv.2023.164067
Xinxi Zhang ₁ , Wenyi Gu ₁ , Da Liu ₁ , Liang Zhou ₁ , Nguyen Nhat Huy ₂ , Lingzhi Wang ₃ , Jinlong Zhang ₃ , Yongdi Liu ₁ , Juying Lei ₄

Affiliation

National Engineering Research Center of Industrial Wastewater Detoxication and Resource Recovery, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China; State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China.
Faculty of Environment and Natural Resources, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Viet Nam; Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc City, Ho Chi Minh City, Viet Nam.
Shanghai Engineering Research Center for Multi-media Environmental Catalysis and Resource Utilization, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China; Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China.
National Engineering Research Center of Industrial Wastewater Detoxication and Resource Recovery, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China; State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, PR China.

In this study, specific generation of 1O2 was achieved by activation of peroxymonosulfate (PMS) using N-doped porous carbon with Fe nanoparticles (NPC-Fe), synthesized by carbonizing MIL-88B(Fe) metal-organic frameworks modified with ionic liquid. Fe(II) in the catalyst was found to react with PMS to form •O2−, and Pyridinic N promoted the conversion of •O2− to 1O2. Consequently, the NPC-Fe/PMS reaction system could generate a large amount of 1O2 by the synergistic effect of Fe(II) and Pyridinic N. The system demonstrated excellent performance in a wide pH range for the degradation of contaminants represented by antibiotics. Additionally, the catalyst NPC-Fe had good stability and recyclability. This work provides novel insights for generating 1O2 by activation of PMS for environmental remediation.

中文翻译：

Fe（II）和吡啶 N 复合物位点协同作用，激活 PMS 特异性产生 1O2，从而高效降解抗生素

在这项研究中，通过使用 N 掺杂多孔碳与 Fe 纳米颗粒（NPC-Fe）活化过氧一硫酸盐（PMS）来实现特异性生成，该纳米颗粒是通过碳化用离子液体改性的 MIL-88B（Fe）金属有机框架合成的。发现催化剂中的 Fe（II）与 PMS 反应形成 •O2−，吡啶 N 促进 •O2− 转化为 1O2。因此，NPC-Fe/PMS 反应体系可以通过 Fe（II）和吡啶 N 的协同作用生成大量的 1O2。该系统在较宽的 pH 值范围内表现出优异的降解抗生素等污染物的性能。此外，催化剂NPC-Fe具有良好的稳定性和可回收性。这项工作为通过激活 PMS 产生 1O2 以进行环境修复提供了新的见解。

更新日期：2023-05-29

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