Selective adsorption of high ionization potential value organic pollutants in wastewater

• 成果类型: Article
• 署名作者: Liang, Lihong; Cao, Jiazhen; Zhang, Yayun; Liu, Xinyue; Li, Jun; Yang, Bo; Lv, Weiyang; Yang, Qiang; Xing, Mingyang
• 署名单位: East China University of Science & Technology; East China University of Science & Technology; East China University of Science & Technology; East China University of Science & Technology; Zhejiang Sci-Tech University
• 刊物名称: PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
• ISSN/ISSBN: 0027-10667
• DOI: 10.1073/pnas.2403766121
• 发表日期: 2024-07-16
• 关键词: sulfamethoxazole; removal; antibiotics; degradation; sorption; biochar; tetracycline; activation; mechanism; biomass

摘要

It is imperative to devise effective removal strategies for high ionization potential (IP) organic pollutants in wastewater as their reduced electron-- donating capacity challenges the efficiency of advanced oxidation systems in degradation. Against this backdrop, leveraging the metal- based carbon material structure meticulously, we employed metal-- pyridine- N (M- N- C, M=Fe, Co, and Ni) as the electron transfer bridge. This distinctive design facilitated the ordered transfer of electrons from the adsorbent surface to the surface of high IP value pollutants, acting as a supplement to compensate for their deficient electron-- donating capability, thereby culminating in the selective adsorption of these pollutants. Furthermore, this adsorbent also demonstrated effective removal of trace emerging contaminants (2 mg/L), displayed robust resistance to various salts, exhibited reusability, and maintained stability. These findings carry substantial implications for future carbon- based material design, offering a pathway toward exceptional adsorption performance in treating water pollution.