Citation: CHEN Hai-Feng, MA Ge, LI Liang-Chao, WU Xi-Zhi, XIAO Qiu-Shi, XU Feng. Preparation and Oil/Water Separation of Co-Ferrite/Expanded Graphite and Its Polypyrrole Composites[J]. Chinese Journal of Inorganic Chemistry, ;2013, 29(3): 479-485. doi: 10.3969/j.issn.1001-4861.2013.00.057 shu

Preparation and Oil/Water Separation of Co-Ferrite/Expanded Graphite and Its Polypyrrole Composites

1.
Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, Jinhua, Zhejiang 321004, China

Received Date: 19 July 2012
Available Online: 14 September 2012
Fund Project: 国家自然科学基金(No.21071125) (No.21071125)浙江省科技计划重大专项(No.2010C11053)资助项目。 (No.2010C11053)

Cobalt ferrite/expanded graphite complex particles (CF/EG) and cobalt ferrite/expanded graphite/polypyrrole composites (CF/EG/PPy) were prepared by chemical co-precipitation method and in-situ emulsion polymerization, respectively. The composition, structures, morphology, electrical and magnetic properties, and oil/water separation property of samples were characterized by means of modern analytical techniques. The results indicated that CF particles embedded in layers of EG, and there was some interaction between the core (CF/EG) and shell (PPy) in the CF/EG/PPy composites. The oil/water separation effect of samples was proportional to the spacing of layers in EG, their sequence was EG>CF/EG>CF/EG/PPy. The CF/EG complex particles with magnetism could be easily recovered and had good performance for repeated use. And its efficiency by cycling of five times was not less than 90%.
- cobalt ferrites;expanded graphite;polypyrrole;electrical and magnetic properties;oil/water separation
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