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皮克林乳液法制备ZIF-8@聚苯乙烯中空微球及其吸附阿莫西林性能

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余沛霖, 欧红香, 郑旭东, 张嘉陆, 丁建宁, 潘建明. 皮克林乳液法制备ZIF-8@聚苯乙烯中空微球及其吸附阿莫西林性能[J]. 环境化学, 2019, (7): 1682-1690. doi: 10.7524/j.issn.0254-6108.2018090603
引用本文: 余沛霖, 欧红香, 郑旭东, 张嘉陆, 丁建宁, 潘建明. 皮克林乳液法制备ZIF-8@聚苯乙烯中空微球及其吸附阿莫西林性能[J]. 环境化学, 2019, (7): 1682-1690. doi: 10.7524/j.issn.0254-6108.2018090603
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YU Peilin, OU Hongxiang, ZHENG Xudong, ZHANG Jialu, DING Jianning, PAN Jianming. Preparation of ZIF-8@PS hollow microspheres by Pickering emulsion and adsorption performance on amoxicillin[J]. Environmental Chemistry, 2019, (7): 1682-1690. doi: 10.7524/j.issn.0254-6108.2018090603
Citation: YU Peilin, OU Hongxiang, ZHENG Xudong, ZHANG Jialu, DING Jianning, PAN Jianming. Preparation of ZIF-8@PS hollow microspheres by Pickering emulsion and adsorption performance on amoxicillin[J]. Environmental Chemistry, 2019, (7): 1682-1690. doi: 10.7524/j.issn.0254-6108.2018090603
shu

皮克林乳液法制备ZIF-8@聚苯乙烯中空微球及其吸附阿莫西林性能

  • 1. 常州大学环境与安全工程学院, 常州, 213164;

  • 2. 江苏大学机械工程学院, 镇江, 212013;

  • 3. 江苏大学化工学院, 镇江, 212013

    • 通讯作者: 欧红香, E-mail: ouhongxiang@cczu.edu.cn ; 
  • 基金项目:

    国家自然科学基金（21878026，21808018，51574046），江苏省博士后基金（1501024A）和江苏省研究生实践创新计划项目（SJCX17_0711）资助.

Preparation of ZIF-8@PS hollow microspheres by Pickering emulsion and adsorption performance on amoxicillin

  • 1. School of Environmental and Safety Engineering, Changzhou University, Changzhou, 213164, China;

  • 2. School of Mechanical Engineering, Jiangsu University, Zhenjiang, 212013, China;

  • 3. School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, China

    • Corresponding author: OU Hongxiang, ouhongxiang@cczu.edu.cn ; 
  • Fund Project: Supported by the National Natural Science Foundation of China (21878026, 21808018, 51574046), the Jiangsu Province Postdoctoral Fund (1501024A) and Postgraduate Research & Practice Innovation Program of Jiangsu Province (SJCX17_0711).

  • 摘要: 研究采用ZIF-8纳米粒子稳定皮克林乳液，制备了ZIF-8@聚苯乙烯中空微球（ZIF-8@PS），并用于溶液中阿莫西林（AMOX）的吸附去除.用傅里叶变换红外光谱（FI-TR）、X射线衍射分析（XRD）、扫描电镜（SEM）和氮气吸附脱附（BET）等方法研究了ZIF-8@PS中空微球的理化性质.通过静态吸附实验结合吸附等温线模型和吸附动力学模型等考察了ZIF-8@PS对AMOX的性能.结果表明，ZIF-8@PS具有良好的中空多孔结构，比表面积为380.4 m2·g-1.pH值为7.0、308 K时有最佳吸附效果.ZIF-8@PS对AMOX的吸附过程用Langmuir模型和准一级动力学模型能更好地拟合，对AMOX的吸附倾向为单层吸附.308 K时Langmuir模型计算的最大吸附量为0.6232 mmol·g-1.材料具有良好的再生能力，经3次吸附-解吸附后吸附量约损失11.15%.
    Abstract: In this paper, The ZIF-8@polystyrene (ZIF-8@PS) hollow microspheres were prepared by Pickering emulsion polymerization with zeolitic imidazolate framework-8 (ZIF-8) as stabilizer for oil-in-water emulsion, and were used for the adsorption removal of amoxicillin (AMOX) from aqueous solution. The physicochemical properties of ZIF-8@PS hollow microspheres were investigated by methods such as Fourier transform infrared spectroscopy, X-ray diffraction analysis, scanning electron microscopy, and Nitrogen adsorption-desorption. A series of static adsorption experiments and different adsorption isotherm models and kinetic models were used to analyze the AMOX adsorption performance on ZIF-8@PS. The results indicated that ZIF-8@PS possessed a good hollow porous structure, with a specific surface area of 380.4 m2·g-1. The best adsorption performance was obtained at pH 7.0 and 308 K. The AMOX adsorption on ZIF-8@PS could be better described by Langmuir model and the presudo-first-order kinetic model. The adsorption process tended to be monolayer adsorption. At 308 K, the maximum adsorption capacity calculated by Langmuir model reached 0.6232 mmol·g-1. ZIF-8@PS also exhibited excellent regeneration capacity with approximately 11.15% loss after three adsorption-desorption cycles.
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  • 收稿日期:  2018-09-06
余沛霖, 欧红香, 郑旭东, 张嘉陆, 丁建宁, 潘建明. 皮克林乳液法制备ZIF-8@聚苯乙烯中空微球及其吸附阿莫西林性能[J]. 环境化学, 2019, (7): 1682-1690. doi: 10.7524/j.issn.0254-6108.2018090603
引用本文: 余沛霖, 欧红香, 郑旭东, 张嘉陆, 丁建宁, 潘建明. 皮克林乳液法制备ZIF-8@聚苯乙烯中空微球及其吸附阿莫西林性能[J]. 环境化学, 2019, (7): 1682-1690. doi: 10.7524/j.issn.0254-6108.2018090603
shu
YU Peilin, OU Hongxiang, ZHENG Xudong, ZHANG Jialu, DING Jianning, PAN Jianming. Preparation of ZIF-8@PS hollow microspheres by Pickering emulsion and adsorption performance on amoxicillin[J]. Environmental Chemistry, 2019, (7): 1682-1690. doi: 10.7524/j.issn.0254-6108.2018090603
Citation: YU Peilin, OU Hongxiang, ZHENG Xudong, ZHANG Jialu, DING Jianning, PAN Jianming. Preparation of ZIF-8@PS hollow microspheres by Pickering emulsion and adsorption performance on amoxicillin[J]. Environmental Chemistry, 2019, (7): 1682-1690. doi: 10.7524/j.issn.0254-6108.2018090603
shu

皮克林乳液法制备ZIF-8@聚苯乙烯中空微球及其吸附阿莫西林性能

    通讯作者: 欧红香, E-mail: ouhongxiang@cczu.edu.cn ; 
  • 1. 常州大学环境与安全工程学院, 常州, 213164;
  • 2. 江苏大学机械工程学院, 镇江, 212013;
  • 3. 江苏大学化工学院, 镇江, 212013
  • 收稿日期:  2018-09-06
基金项目:

国家自然科学基金（21878026，21808018，51574046），江苏省博士后基金（1501024A）和江苏省研究生实践创新计划项目（SJCX17_0711）资助.

摘要: 研究采用ZIF-8纳米粒子稳定皮克林乳液，制备了ZIF-8@聚苯乙烯中空微球（ZIF-8@PS），并用于溶液中阿莫西林（AMOX）的吸附去除.用傅里叶变换红外光谱（FI-TR）、X射线衍射分析（XRD）、扫描电镜（SEM）和氮气吸附脱附（BET）等方法研究了ZIF-8@PS中空微球的理化性质.通过静态吸附实验结合吸附等温线模型和吸附动力学模型等考察了ZIF-8@PS对AMOX的性能.结果表明，ZIF-8@PS具有良好的中空多孔结构，比表面积为380.4 m2·g-1.pH值为7.0、308 K时有最佳吸附效果.ZIF-8@PS对AMOX的吸附过程用Langmuir模型和准一级动力学模型能更好地拟合，对AMOX的吸附倾向为单层吸附.308 K时Langmuir模型计算的最大吸附量为0.6232 mmol·g-1.材料具有良好的再生能力，经3次吸附-解吸附后吸附量约损失11.15%.

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