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Special Issue: Novel Energy Systems and Their Key Materials; Guest Editors: Yuping Wu and Guoxiu WangNo Access

FACILE SYNTHESIS OF HUMIC ACID-COATED IRON OXIDE NANOPARTICLES AND THEIR APPLICATIONS IN WASTEWATER TREATMENT

College of Science, Hunan Agriculture University, Changsha 410128, P. R. China

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College of Environmental Science and Engineering, Hunan University, Changsha 410082, P. R. China

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College of Environmental Science and Engineering, Hunan University, Changsha 410082, P. R. China

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College of Environmental Science and Engineering, Hunan University, Changsha 410082, P. R. China

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Micro-nano Technology Center, School of MSE, Beijing Institute of Technology, Beijing 100081, P. R. China

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College of Environmental Science and Engineering, Hunan University, Changsha 410082, P. R. China

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Micro-nano Technology Center, School of MSE, Beijing Institute of Technology, Beijing 100081, P. R. China

Corresponding authors.

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School of Environmental Science and Engineering, Beijing Forestry University, Beijing 100083, P. R. China

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https://doi.org/10.1142/S1793604711002238Cited by:14 (Source: Crossref)

Abstract

Humic acid (HA)-coated Fe₃O₄ (Fe₃O₄/HA) superparamagnetic nanoparticles were synthesized by a chemical co-precipitation method with cheap and environmental friendly iron salts and HA. The as-synthesized samples were characterized by X-ray diffraction (XRD), high resolution transmission electron microscopy (HRTEM), Fourier transform infrared spectroscopy (FTIR) and vibrating sample magnetometer (VSM). The Fe₃O₄/HA nanoparticles showed faster adsorption rate and higher removal capacity of cationic organic dye Methylene blue (MB) in neutral water. Moreover, the MB desorption could be easily completed. And the reused performance of Fe₃O₄/HA nanoparticles was also excellent.

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Vol. 04, No. 04

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Received 25 January 2011

Revised 6 April 2011

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