College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, China.
College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, China; College of Environment and Chemical Engineering, Dalian University, Dalian 116622, China.
J Environ Sci (China). 2025 Apr;150:14-24. doi: 10.1016/j.jes.2024.03.018. Epub 2024 Mar 19.
The mass production and widespread use of Pharmaceuticals and Personal Care Products (PPCPs) have posed a serious threat to the water environment and public health. In this work, a green metal-based Metal Organic Framework (MOF) Bi-NH-BDC was prepared and characterized, and the adsorption characteristics of Bi-NH-BDC were investigated with typical PPCPs-diclofenac sodium (DCF). It was found that DCF mainly covered the adsorbent surface as a single molecular layer, the adsorption reaction was a spontaneous, entropy-increasing exothermic process and the adsorption mechanisms between Bi-NH-BDC and DCF were hydrogen bonding, π-π interactions and electrostatic interactions. In addition, Bi-NH-BDC also had considerable photocatalytic properties, and its application in adsorbent desorption treatment effectively solved the problem of secondary pollution, achieving a green and sustainable adsorption desorption cycle.
药品和个人护理产品（PPCPs）的大规模生产和广泛使用对水环境和公众健康构成了严重威胁。在这项工作中，制备并表征了一种绿色的基于金属的金属有机骨架（MOF）Bi-NH-BDC，并以典型的 PPCPs-双氯芬酸钠（DCF）来研究 Bi-NH-BDC 的吸附特性。结果表明，DCF 主要以单分子层覆盖在吸附剂表面，吸附反应是自发的、熵增的放热过程，Bi-NH-BDC 与 DCF 之间的吸附机制为氢键、π-π 相互作用和静电相互作用。此外，Bi-NH-BDC 还具有相当的光催化性能，其在吸附剂解吸处理中的应用有效地解决了二次污染问题，实现了绿色可持续的吸附解吸循环。
