Dissolved inorganic and organic phosphorus is a major factor in triggering the eutrophication of water bodies. At present, a novel Zr4+ cross-linked sodium alginate encapsulated in Ce-UIO-66 microspheres (Zr-SA/Ce-UIO-66) was prepared and systematically characterized. Its ability for capture of phosphate and glyphosate in their single and binary systems has been investigated comprehensively. Results showed that Zr-SA/Ce-UIO-66 exhibits excellent phosphate adsorption, achieving 92 % removal and a maximum adsorption capacity of 125 mg P/g at 313 K. Diversified mechanisms, including electrostatic attraction, ligand exchange and hydrogen bonding, have cooperatively participated in phosphate removal. Interestingly, in phosphate and glyphosate mixed solutions, the presence of phosphate significantly enhanced the removal of glyphosate for the formation of complexes between phosphate ions and the adsorbent. And that was similar to the presence of glyphosate in phosphate adsorption. Simulated wastewater experiments demonstrated the adsorbent’s practical application in water contaminated with both organic phosphorus and glyphosate composites and its potential for recycling and reuse.

中文翻译：

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宏观 Zr-SA/Ce-UIO-66 吸附剂协同去除废水中的磷酸盐和草甘膦：性能、机理和适用性


溶解的无机磷和有机磷是触发水体富营养化的主要因素。目前，制备了一种封装在 Ce-UIO-66 微球中的新型 Zr4+ 交联海藻酸钠 （Zr-SA/Ce-UIO-66） 并进行了系统表征。它捕获磷酸盐和草甘膦在单元和二元系统中的能力已得到全面研究。结果表明，Zr-SA/Ce-UIO-66 表现出优异的磷酸盐吸附能力，在 313 K 下实现了 92% 的去除率和最大吸附容量为 125 mg P/g。有趣的是，在磷酸盐和草甘膦混合溶液中，磷酸盐的存在显著增强了草甘膦的去除，从而促进了磷酸根离子和吸附剂之间络合物的形成。这类似于磷酸盐吸附中存在草甘膦。模拟废水实验证明了该吸附剂在有机磷和草甘膦复合材料污染水中的实际应用及其回收和再利用的潜力。