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Fe3O4@改性悬铃木果毛复合中空纤维的制备及其吸附性能

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杨莉, 汪子孺, 李旭, 李梦婕, 张长涛, 赵珊. Fe3O4@改性悬铃木果毛复合中空纤维的制备及其吸附性能[J]. 环境工程学报, 2016, 10(5): 2375-2382. doi: 10.12030/j.cjee.201512088
引用本文: 杨莉, 汪子孺, 李旭, 李梦婕, 张长涛, 赵珊. Fe3O4@改性悬铃木果毛复合中空纤维的制备及其吸附性能[J]. 环境工程学报, 2016, 10(5): 2375-2382. doi: 10.12030/j.cjee.201512088
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Yang Li, Wang Ziru, Li Xu, Li Mengjie, Zhang Changtao, Zhao Shan. Preparation and adsorption property of Fe3O4@modified seed's furs of plane trees based hollow fiber composite[J]. Chinese Journal of Environmental Engineering, 2016, 10(5): 2375-2382. doi: 10.12030/j.cjee.201512088
Citation: Yang Li, Wang Ziru, Li Xu, Li Mengjie, Zhang Changtao, Zhao Shan. Preparation and adsorption property of Fe3O4@modified seed's furs of plane trees based hollow fiber composite[J]. Chinese Journal of Environmental Engineering, 2016, 10(5): 2375-2382. doi: 10.12030/j.cjee.201512088
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Fe3O4@改性悬铃木果毛复合中空纤维的制备及其吸附性能

  • 1.

    长安大学环境科学与工程学院, 西安 710054

  • 2.

    天津大学环境科学与工程学院, 天津 300072

  • 基金项目:

    陕西省自然科学基金资助项目(2015JQ5173)

    2016年中央高校基本科研业务费专项资金项目(310829162016)

    陕西省2014年度留学人员科技活动择优资助项目(0308-11000152003)

    长安大学2015年大学生创新创业训练计划项目(201510710143)

  • 中图分类号: X703

Preparation and adsorption property of Fe3O4@modified seed's furs of plane trees based hollow fiber composite

  • 1.

    School of Environmental Science and Engineering, Chang'an University, Xi'an 710054, China

  • 2.

    School of Environmental Science and Engineering, Tianjin University, Tianjing 300072, China

  • Fund Project:

  • 摘要: 选用对空气和人居环境具有污染的悬铃木果毛为基质,通过将四氧化三铁磁性纳米粒子在多巴胺改性悬铃木果毛表面的固载,制备得到具有中空结构的Fe3O4@改性悬铃木果毛复合吸附材料。用X射线衍射仪(XRD)、能谱(EDS)、电子扫描电镜(SEM)、红外光谱(FT-IR)和震动样品磁强计(VSM)等手段对样品进行了表征和分析,考察了Fe3O4@改性悬铃木果毛复合中空纤维对亚甲基蓝的吸附性能。结果表明:通过多巴胺对悬铃木果毛的化学改性,有效促进了反尖晶石型结构的四氧化三铁纳米粒子在其表面的固载,Fe3O4@改性悬铃木果毛复合中空纤维直径约为25.8 μm,其饱和磁化强度为12.51 emu/g, Fe3O4@改性悬铃木果毛对亚甲基蓝的吸附在140 min达到平衡,吸附容量可达12.6 mg/g,吸附动力学符合准二级动力学。
    Abstract: The seed's furs of plane trees, which are of great pollution to air and living environment, were employed as matrix for the preparation of novel magnetic hollow fiber composite in this study. Following the modification of seed's furs of plane trees with dopamine, ferromagnetic oxide nanoparticles were immobilized onto the surface of seed's furs to obtain Fe3O4@ modified seed's furs (Fe3O4@MSF) hollow fiber composite. Several techniques were used to characterize and probe into the properties of the as-produced samples including X-ray diffraction (XRD), energy spectrum (EDS), scanning electron microscopy (SEM), infrared spectroscopy (FT-IR) and vibrating sample magnetometer (VSM). And the adsorption capacity of Fe3O4@MSF was investigated through the adsorption experiments of methylene blue. Results indicated that the modification of seed's furs of plane tree with dopamine effectively promoted the anchoring of ferroferric oxide nanoparticles of inverse spinel phase onto the surface of hollow fibers. The as-synthesized Fe3O4@MSF maintained the morphology of original hollow seed furs with the average diameter about 25.8 μm, and held the advantage of convenient recovery with the saturation magnetization at 12.51 emu/g. Fe3O4@MSF showed good adsorption property in the adsorption experiments of methylene blue, and the adsorption capacity was up to 12.6 mg/g at the adsorption balance in 140 min. Adsorption isotherms of methylene blue on the adsorbent can be described by Langmuir equations and the adsorption kinetics followed pseudo-second order kinetics model.
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  • 收稿日期:  2016-01-29
  • 刊出日期:  2016-06-03

Fe3O4@改性悬铃木果毛复合中空纤维的制备及其吸附性能

  • 1. 长安大学环境科学与工程学院, 西安 710054
  • 2. 天津大学环境科学与工程学院, 天津 300072
  • 收稿日期:  2016-01-29
基金项目:

陕西省自然科学基金资助项目(2015JQ5173)

2016年中央高校基本科研业务费专项资金项目(310829162016)

陕西省2014年度留学人员科技活动择优资助项目(0308-11000152003)

长安大学2015年大学生创新创业训练计划项目(201510710143)

摘要: 选用对空气和人居环境具有污染的悬铃木果毛为基质,通过将四氧化三铁磁性纳米粒子在多巴胺改性悬铃木果毛表面的固载,制备得到具有中空结构的Fe3O4@改性悬铃木果毛复合吸附材料。用X射线衍射仪(XRD)、能谱(EDS)、电子扫描电镜(SEM)、红外光谱(FT-IR)和震动样品磁强计(VSM)等手段对样品进行了表征和分析,考察了Fe3O4@改性悬铃木果毛复合中空纤维对亚甲基蓝的吸附性能。结果表明:通过多巴胺对悬铃木果毛的化学改性,有效促进了反尖晶石型结构的四氧化三铁纳米粒子在其表面的固载,Fe3O4@改性悬铃木果毛复合中空纤维直径约为25.8 μm,其饱和磁化强度为12.51 emu/g, Fe3O4@改性悬铃木果毛对亚甲基蓝的吸附在140 min达到平衡,吸附容量可达12.6 mg/g,吸附动力学符合准二级动力学。

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