Hydrothermal preparation of magnetic Fe3O4@C nanoparticles for dye adsorption

doi:10.1016/j.jece.2014.02.005

CORC > 北京大学 > 化学与分子工程学院

	Hydrothermal preparation of magnetic Fe3O4@C nanoparticles for dye adsorption
	Wu, Ruihan ; Liu, Jia-Hui ; Zhao, Lianqin ; Zhang, Xiaoliang ; Xie, Jingru ; Yu, Baowei ; Ma, Xinlei ; Yang, Sheng-Tao ; Wang, Haifang ; Liu, Yuanfang
刊名	journal of environmental chemical engineering
	2014
DOI	10.1016/j.jece.2014.02.005
英文摘要	Magnetic Fe3O4@C nanoparticles (NPs) were fabricated by hydrothermal synthesis for the adsorption of methylene blue (MB). Fe 3O4@C NPs were prepared from FeCl2, FeCl 3 and glucose after hydrothermal treatment at 160 C for 6 h. After characterization by transmission electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy and infrared spectrometer, the adsorption behaviors of MB on Fe3O4@C NPs were investigated. The results indicated that Fe3O4@C NPs adsorbed MB effectively with a large capacity of 117 mg/g. The adsorption isotherm was described by Temkin model. The adsorption reached the equilibrium within 3 h and the kinetics followed pseudo-second-order model. The increase of ionic strength inhibited the adsorption, and the decrease of pH led to the dramatic decrease in adsorption capacity. The adsorption was endothermal, thus higher temperature was preferred. The magnetic separation after adsorption was easily achieved and Fe 3O4@C NPs could be regenerated by washing with HCl aqueous solution. ? 2014 Elsevier Ltd.; EI; 0; 2; 907-913; 2
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/262724]
专题	化学与分子工程学院
推荐引用方式 GB/T 7714	Wu, Ruihan,Liu, Jia-Hui,Zhao, Lianqin,et al. Hydrothermal preparation of magnetic Fe3O4@C nanoparticles for dye adsorption[J]. journal of environmental chemical engineering,2014.
APA	Wu, Ruihan.,Liu, Jia-Hui.,Zhao, Lianqin.,Zhang, Xiaoliang.,Xie, Jingru.,...&Liu, Yuanfang.(2014).Hydrothermal preparation of magnetic Fe3O4@C nanoparticles for dye adsorption.journal of environmental chemical engineering.
MLA	Wu, Ruihan,et al."Hydrothermal preparation of magnetic Fe3O4@C nanoparticles for dye adsorption".journal of environmental chemical engineering (2014).