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Magnetite nanoparticles modified beta-cyclodextrin PolymerCoupled with KMnO4 oxidation for adsorption and degradation of acetaminophen

文献类型： 外文期刊

作者： Shi, Yi 1 ; Zhang, Yan 1 ; Cui, Yanru 1 ; Shi, Jianrong 2 ; Meng, Xiaoyan 1 ; Zhang, Jingyi 3 ; He, Hua 1 ;

作者机构： 1.China Pharmaceut Univ, Dept Analyt Chem, Nanjing 211198, Jiangsu, Peoples R China

2.Jiangsu Acad Agr Sci, Inst Food Qual & Safety, Nanjing 210014, Jiangsu, Peoples R China

3.Suzhou Inst Drug Control, Suzhou 215104, Peoples R China

4.China Pharmaceut Univ, Key Lab Biomed Funct Mat, Nanjing 211198, Jiangsu, Peoples R China

5.China Pharmaceut Univ, Minist Educ, Key Lab Drug Qual Control & Pharmacovigilance, Nanjing 211198, Jiangsu, Peoples R China

关键词： Carboxylated magnetite nanoparticles; beta-Cyclodextrin; Porous magnetic polymer; Acetaminophen; Adsorption; Oxidative degradation

期刊名称：CARBOHYDRATE POLYMERS （ 影响因子：9.381； 五年影响因子：8.678 ）

ISSN： 0144-8617

年卷期： 2019 年 222 卷

页码：

收录情况： SCI

摘要： Here, a porous superparamagnetic composite material magnetic beta-cyclodextrin polymer (MNPs/beta-CDP) was prepared and characterized as a adsorbent that may be used for the degradaion of acetaminophen (APAP) in aqueous solution by coupling with potassium permanganate (KMnO4) oxidation. The results of adsorption properties investigation showed that the adsorption rate and capacity of MNPs/beta-CDP were better than the component materials. When coupled with KMnO4 oxidation, the degradation efficiency were evaluated with regards to the pseudo-first-order kinetics of 4-CP degradation. As an oxidation reactor, the material effectively alleviated the secondary pollution and water coloration caused by oxidation of KMnO4. Moreover, the materials were directly regenerated by the reaction of KMnO4 with APAP adsorbed in its cavities without additional elution treatment, making it more convenient and environmentally friendly. The repeated degradation experiments demonstrated that MNPs/beta-CDP had mechanic stability and reusability. The findings provide novel ideas for the degradation of persistent contaminants in water environments.

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