School of Civil Engineering and Architecture, East China Jiaotong University, Nanchang, 330013, Jiangxi Province, China.
School of Civil Engineering and Architecture, East China Jiaotong University, Nanchang, 330013, Jiangxi Province, China; Jiangxi Water Resources Institute, Nanchang, 330013, Jiangxi Province, China.
Chemosphere. 2022 Apr;293:133455. doi: 10.1016/j.chemosphere.2021.133455. Epub 2021 Dec 30.
Bisphenol A (BPA) is a typical kind of endocrine disruption chemical, which has a negative effect on human health, and thus it is necessary to remove BPA from water. Herein, activation of peroxymonosulfate (PMS) by Fe, Cu-Coordinated ZIF-Derived Carbon Framework bifunctional catalyst (Fe/Cu@NC-x) fabricated via hydrothermal-calcination method for BPA removal. The physicochemical properties of Fe/Cu@NC-x were studied by X-ray diffraction, Transmission electron microscopy, Scanning electron microscopy, Raman Spectroscopy, Brunauer-Emmett Teller, and X-ray photoelectron spectroscopy. The effects of the Fe/Cu@NC-900 dosage and PMS concentration, initial pH, and co-existing anions on BPA degradation were evaluated. Under optimized factors (pH unadjusted, Fe/Cu@NC-900 = 0.2 g/L, and PMS = 0.75 g/L), the degradation efficiency of BPA can reach 98% after 30 min. In addition, the BPA degradation efficiency was different extents restrain by inorganic anions (SO > Cl > HCO > NO). Furthermore, the free radicals (SO·, ·OH, and O·) and non-radical (O) contribute to rapid BPA degradation in Fe/Cu@NC-900/PMS system. This study presents a novel material with significant performance for the removal of organic pollutants.
双酚 A (BPA) 是一种典型的内分泌干扰化学物质，对人类健康有负面影响，因此有必要从水中去除 BPA。在此，通过水热-煅烧法制备了 Fe、Cu-Co 配位 ZIF 衍生碳框架双功能催化剂（Fe/Cu@NC-x）来激活过一硫酸盐（PMS），用于去除 BPA。通过 X 射线衍射、透射电子显微镜、扫描电子显微镜、拉曼光谱、Brunauer-Emmett Teller 和 X 射线光电子能谱研究了 Fe/Cu@NC-x 的物理化学性质。考察了 Fe/Cu@NC-x 的用量和 PMS 浓度、初始 pH 值以及共存阴离子对 BPA 降解的影响。在优化的条件下（未调节 pH 值，Fe/Cu@NC-900=0.2 g/L，PMS=0.75 g/L），BPA 在 30 min 内的降解效率可达 98%。此外，无机阴离子（SO>Cl>HCO>NO）对 BPA 的降解效率有不同程度的抑制。此外，在 Fe/Cu@NC-900/PMS 体系中，自由基（SO·、·OH 和 O·）和非自由基（O）都有助于 BPA 的快速降解。本研究提供了一种具有显著去除有机污染物性能的新型材料。
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