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[1]朱　壹,陈宇欣,彭宇霄,等.还原氧化石墨烯/四氧化三铁复合气凝胶的制备与染料吸附性能[J].武汉工程大学学报,2020,42(02):181-185.[doi:10.19843/j.cnki.CN42-1779/TQ. 201811012]
　ZHU Yi,CEHN Yuxin,PENG Yuxiao,et al.Synthesis of Reduced Graphene Oxide/Ferroferric Oxide Composite Aerogel and Its Adsorption Properties for Dyes[J].Journal of Wuhan Institute of Technology,2020,42(02):181-185.[doi:10.19843/j.cnki.CN42-1779/TQ. 201811012]
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还原氧化石墨烯/四氧化三铁复合气凝胶的制备与染料吸附性能(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
42
期数:
2020年02期
页码:
181-185
栏目:
材料科学与工程
出版日期:
2021-01-26

文章信息/Info

Title:
Synthesis of Reduced Graphene Oxide/Ferroferric Oxide Composite Aerogel and Its Adsorption Properties for Dyes
文章编号:
1674 - 2869（2020）02 - 0181 - 05
作者:
朱　壹; 陈宇欣; 彭宇霄; 柳景亚; 李　亮*; 喻湘华
武汉工程大学材料科学与工程学院，湖北 武汉 430205
Author(s):
ZHU Yi; CEHN Yuxin; PENG Yuxiao; LIU Jingya; LI Liang*; YU Xianghua
School of Materials Science and Engineering，Wuhan Institute of Technology，Wuhan 430205，China
关键词:
石墨烯; 四氧化三铁; 复合气凝胶; 吸附性能
Keywords:
graphene;  ferroferric oxide;  composite aerogel;  adsorption property
分类号:
O633
DOI:
10.19843/j.cnki.CN42-1779/TQ. 201811012
文献标志码:
A
摘要:
为改进四氧化三铁（Fe3O4）复合材料吸附工业染料废水的性能，先制备了表面油酸修饰的Fe3O4，再以氧化石墨烯（GO）及表面油酸修饰的Fe3O4作为前驱物，通过水热法制备了还原氧化石墨烯/四氧化三铁（rGO/Fe3O4）复合水凝胶，最后冻干得到rGO /Fe3O4复合气凝胶。采用X射线衍射仪、扫描电子显微镜表征产物的微观形态和结构，并通过紫外-可见分光光度计对复合气凝胶对于亚甲基蓝染料（MB）的吸附性能进行研究。结果表明，rGO /Fe3O4复合气凝胶在微观上复合均匀，与单独的石墨烯和Fe3O4纳米粒子相比，rGO/Fe3O4复合气凝胶对MB染料的吸附性能更优，吸附能力达到108 mg·g-1，而且rGO /Fe3O4复合气凝胶可以方便地从废水中移出进行重复使用。研究其吸附动力学和吸附等温发现，该复合气凝胶的吸附行为符合拟二级动力学方程和Langmuir吸附模型。
Abstract:
To improve the performace of ferroferric oxide（Fe3O4） composites in the adsorption of dye-ontaining wastewater，Fe3O4 was first modified by oleic acid，and then reduced graphene oxide/Fe3O4 （rGO/Fe3O4） composite aerogels were obtained by hydrothermal treatment using graphene oxide and the modified Fe3O4 as the precursors and freeze-drying. The morphology and microstructure of the composite aerogels were characterized by X-ray diffraction and scanning electron microscopy. The adsorption properties of the composite aerogel for methylene blue（MB） were investigated by ultraviolet-visible spectrometry. The results show that Fe3O4 are uniformly distributed in rGO/Fe3O4 composite aerogel，and the adsorption performances of rGO/Fe3O4 composite aerogel for MB(108 mg·g-1) are better than that of graphene and Fe3O4 nanoparticles. Moreover，the aerogel can be easily removed from the wastewater and be reused. The adsorption behaviors of the composite aerogel are well fitted with the quasi-second-order kinetic equation and the Langmuir adsorption model.

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备注/Memo

备注/Memo:
收稿日期：2018-11-27基金项目：武汉工程大学第十届研究生教育创新基金（CX2018047）；2018年地方高校国家级大学生创新创业训练计划项目（201810490010）作者简介：朱　壹，硕士研究生。E-mail： [email protected]*通讯作者：李　亮，博士，教授。E-mail： [email protected]引文格式：朱壹，陈宇欣，彭宇霄，等. 还原氧化石墨烯/四氧化三铁复合气凝胶的制备与染料吸附性能［J］. 武汉工程大学学报，2020，42（2）：181-185.
更新日期/Last Update: 2020-06-20