Citation: WANG Ye-Chen, FENG Jian-Tao, WANG Xi-Ya, LI Liang-Chao. Preparation of Zinc Ferrite/Expanded Graphite Composites and Decontamination Performance on Humic Acid[J]. Chinese Journal of Inorganic Chemistry, ;2016, 32(9): 1526-1534. doi: 10.11862/CJIC.2016.208 shu

Preparation of Zinc Ferrite/Expanded Graphite Composites and Decontamination Performance on Humic Acid

College of Chemistry and Life Science, Zhejiang Normal University, Jinhua, Zhejiang 321004, China

Corresponding author: LI Liang-Chao, sky52@zjnu.cn
Received Date: 27 February 2016
Revised Date: 10 August 2016

Figures(14)

Zinc ferrite/expanded graphite (ZF/EG) composites were prepared using a simple chemical co-precipitation method. The composition, microstructure, magnetic property, adsorption and photocatalytic activity of the samples were characterized by means of modern analytical techniques. And the results showed that the magnetic composite not only held the original special structure and good adsorption properties of EG, but also had suitable magnetic property and photocatalytic activity. The removal rate of the samples on humic acid depends on the mass ratio of ZF to EG (m_ZF/m_E), adsorption time and pH of the solution, and so on. Removal rate of 0.1 g ZF/EG composite with m_EG/m_ZF=1 on humic acid (15 mg·L^-1, 100 mL, pH=7) was up to 95% under UV irradiation. After repeated use 4 times, removal rate of the composite on the humic acid declined only 4%. In addition, the samples can be recovered conveniently, activated easily and had good performance for recycling, and were thought to be a promising green and high-efficiency material in dealing with wastewater.
- expanded graphite,
- zinc ferrite,
- humic acid,
- aadsorption,
- photocatalysis
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