Journal of Liaoning Petrochemical University

Journal of Liaoning Petrochemical University ›› 2022, Vol. 42 ›› Issue (6): 28-35.DOI: 10.3969/j.issn.1672-6952.2022.06.005

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Facile Fabrication of Fe3O4⁃Based β⁃Cyclodextrin Polymers and Its Adsorption Performances

Yushi Wei(), Rui Wang(), Zhuang Lin, Heng Jiang, Mingren Huo, Xinyue Chen, Xiaoyan Liang, Chongyang Zhang   

  1. School of Petrochemical Engineering,Liaoning Petrochemical University,Fushun Liaoning 113001,China
  • Received:2021-05-10 Revised:2022-09-28 Online:2022-12-25 Published:2023-01-07
  • Contact: Rui Wang

Fe3O4β⁃环糊精聚合物的制备及吸附性能

魏雨诗(), 王锐(), 林壮, 姜恒, 霍明仁, 陈欣悦, 梁晓艳, 张重阳   

  1. 辽宁石油化工大学 石油化工学院,辽宁 抚顺 113001
  • 通讯作者: 王锐
  • 作者简介:魏雨诗(1999⁃),女,本科生,高分子材料与工程专业,从事高分子材料方面的研究;E⁃mail:1379725179@qq.com
  • 基金资助:
    辽宁省自然科学基金指导计划项目(2019?ZD?0053);辽宁省大学生创新创业训练计划项目(201910148043)

Abstract:

β?cyclodextrin polymers modified with Fe3O4 (β?CDP@Fe3O4) was synthesized in alkaline medium using β?cyclodextrin (β?CD) as monomer and epichlorohydrin as crosslinker. The adsorption performances of β?CDP@Fe3O4 on bisphenol A (BPA) under static and dynamic conditions were investigated. The results of static experiment show that the adsorption performance of 100 mg/L BPA (pH=5.6) is best at 0.10 g β?CDP@Fe3O4. At this point, the equilibrium adsorption capacity, adsorption rate and the maximum adsorption capacity are 45.600 mg/g, 91.3%, and 113.600 mg/g, respectively. The results of dynamic experiment show that the smaller the liquid hourly space velocity, the higher the adsorbent utilization rate, and with the increase of BPA concentration, the adsorption breakthrough time and saturation time are declined. At the same time, the synthesis and adsorption mechanism of β?CDP@Fe3O4 were discussed. A rapid adsorption rate for the removal of BPA onto β?CDP@Fe3O4 from water solution was achieved, and the adsorption process was mainly due to hydrogen bond and hydrophobic interaction. β?CDP@Fe3O4 has good regenerative performance, through 6 cycles of static adsorption?desorption, and 3 cycles of dynamic adsorption?desorption without significant changes in adsorption performance.

Key words: β?cyclodextrin crossing resins, Fe3O4 modification, Bisphenol A, Adsorption, Regeneration

摘要:

以β?环糊精(β?CD)为单体、环氧氯丙烷为交联剂,在碱性介质中合成了Fe3O4改性的β?环糊精聚合物(β?CDP@Fe3O4)。在静态和动态条件下,研究了β?CDP@Fe3O4对双酚A (BPA)的吸附性能。静态实验结果表明,采用0.10 g β?CDP@Fe3O4对100 mg/L BPA(pH=5.6)吸附,其平衡吸附量为45.600 mg/g,吸附率为91.3%,饱和吸附量为113.600 mg/g。动态实验结果表明,液时空速越小,吸附剂利用率越高,且随着BPA质量浓度的增加,吸附穿透时间和饱和时间均呈下降趋势。同时,探讨了β?CDP@Fe3O4的合成及吸附机理。β?CDP@Fe3O4对BPA的快速吸附是通过氢键和疏水作用实现的。β?CDP@Fe3O4具有良好的再生性能,经过6次静态吸附?解吸循环和3次动态吸附?解吸循环后,吸附性能均无明显变化。

关键词: β?环糊精交联树脂, Fe3O4改性, 双酚A, 吸附, 再生

CLC Number: 

Cite this article

Yushi Wei, Rui Wang, Zhuang Lin, Heng Jiang, Mingren Huo, Xinyue Chen, Xiaoyan Liang, Chongyang Zhang. Facile Fabrication of Fe3O4⁃Based β⁃Cyclodextrin Polymers and Its Adsorption Performances[J]. Journal of Liaoning Petrochemical University, 2022, 42(6): 28-35.

魏雨诗, 王锐, 林壮, 姜恒, 霍明仁, 陈欣悦, 梁晓艳, 张重阳. Fe3O4β⁃环糊精聚合物的制备及吸附性能[J]. 辽宁石油化工大学学报, 2022, 42(6): 28-35.

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