A new preparation process of coal-based magnetically activated carbon

被引：1
|
作者：
Liu K. [1 ]
Xu L. [1 ]
Zhang F. [1 ]
机构：
[1] State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing
来源：
Xu, L. (xulj@cqu.edu.cn) | 1600年 / Science Press卷 / 33期
关键词：
coal; magnetically activated carbon; magnetization; specific surface area; XRD;
D O I：
10.1007/s11631-014-0674-2
中图分类号：
学科分类号：
摘要：
Fe/C-based magnetically activated carbon (MAC) was obtained by carbonizing and activating its precursor, that was prepared by co-precipitation of anthracite coal impregnated in ferric chloride solution. The effect of the concentrations of FeCl3 and pH of solution on BET surface area, pore volume and magnetic properties of the MAC was studied by BET N2 adsorption and VSM method. The results indicated that the magnetization of MAC gradually increases with increasing concentration of FeCl3 and pH value of solution, and BET surface area was inclined to fluctuation. The largest BET surface area and magnetization of MAC were 1327.5 m2/g and 35.56 emu/g, respectively. The form of magnetic matter in the magnetically activated carbon was mainly Fe3C by X-ray powder diffraction (XRD) and magnetic attraction test. © 2014 Science Press, Institute of Geochemistry, CAS and Springer-Verlag Berlin Heidelberg.
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页码：173 / 177
页数：4
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