构建基于铋的 MOF 以通过吸附和光催化有效去除双氯芬酸钠。
Construction of bismuth based MOF for efficient removal of sodium diclofenac via adsorption and photocatalysis.
机构信息
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.
出版信息
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。
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