Liu Yan,Tang Zhuxing*,Jing Jingxiang.Preparation of magnetic Fe 3 O 4 @UIO-66-NH 2 materials and their a dsorption on methylene blue[J].Plating & Finishing,2024,(6):63-69.[doi:10.3969/j.issn.1001-3849.2024.06.009]
磁性Fe3O4@UIO-66-NH2材料的制备及其对亚甲基蓝的吸附
- Title:
- Preparation of magnetic Fe 3 O 4 @UIO-66-NH 2 materials and their a dsorption on methylene blue
- 关键词:
- 金属有机骨架材料; 亚甲基蓝; Fe 3 O 4 @UIO-66-NH 2 ; 吸附
- 分类号:
- TQ424
- 文献标志码:
- A
- 摘要:
- 用水热法合成 Fe 3 O 4 ，用巯基乙酸（ MAA ）对 Fe 3 O 4 纳米粒子进行官能团疏基化，然后以 UiO-66 为模板制备出磁性金属有机骨架材料 Fe 3 O 4 @UIO-66-NH 2 ，并对亚甲基蓝进行吸附，使用扫描电镜、透射电镜等对制备的磁性材料 进行表征，考察材料用量、振荡时间、 pH 等因素对材料吸附性能的影响。结果表明当亚甲基蓝初始浓度为 4.00 mg/L 、材料用量为 4 mg 、振荡时间为 90 min 、 pH 为 9 时， Fe 3 O 4 @UIO-66-NH 2 对亚甲基蓝的吸附效果较佳，吸附率为 45.67% ，吸附量为 15.03 mg/g 。
- Abstract:
- ： Fe 3 O 4 was synthesized by hydrothermal method ， Fe 3 O 4 nanoparticles were de-grouped with mercaptoacetic acid （ MAA ）， and then the magnetic metal-organic framework material Fe 3 O 4 @UIO-66-NH 2 was prepared using UiO-66 as a template ， and the methylene blue was adsorbed. The prepared magnetic materials were characterized by scanning electron microscopy and transmission electron microscopy ， and the effects of material dosage ， oscillation time ， pH and other factors on the adsorption properties of the materials were investigated. The results showed that when the initial concentration of methylene blue was 4.00 mg/L ， the material dosage was 4 mg ， the oscillation time was 90 min ， and the pH was 9 ， t he adsorption effect of Fe 3 O 4 @UIO-66-NH 2 on methylene blue was better ， with an adsorption rate of 45.67% and an adsorption capacity of 15.03 mg/g.
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备注/Memo
收稿日期： 2023-12-06 修回日期： 2023-12-18 作者简介： 刘妍（ 2000 —），女，硕士研究生， email ： 1765406219@qq.com * 通信作者： 唐祝兴（ 1974 —），男，博士，副教授， email ： tangzhuxing@163.com 基金项目： 辽宁省教育厅高等学校基本科研项目（ LJKZ0234 ）