Preparation and Characterization of Magnetic Coal-based Activated Carbon in the presence of Fe3O4

被引：4
|
作者：
Zhang, Jun [1 ]
机构：
[1] China Univ Min & Technol Beijing, Sch Chem & Environm Engn, Beijing 100083, Peoples R China
来源：
BIOTECHNOLOGY, CHEMICAL AND MATERIALS ENGINEERING, PTS 1-3 | 2012年 / 393-395卷
关键词：
Coal-based activated carbon; Adsorptive capability; Magnetic properties; REDUCTION; KINETICS;
D O I：
10.4028/www.scientific.net/AMR.393-395.1355
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
Magnetic coal-based activated carbon was prepared from Taixi anthracitic coal in the presence of magnetite (Fe3O4). The magnetic activated carbon samples were characterized by N-2 adsorption, XRD, FTIR and vibrating sample magnetometer (VSM). It was found that the magnetic activated carbon had a high surface area of 993.5 m(2)/g with 4% Fe3O4 and a saturation magnetization of 2.4158 emu/g for magnetic separability. The results showed that the magnetic properties of MAC are provided by Fe3O4 and Fe. In the presence of Fe3O4, the rate of carbonization and activation increase to form a large surface area and a high pore volume. Moreover, the addition of Fe3O4 can greatly promote the number of both micro-pores and meso-pores in activated carbon.
引用
收藏
页码：1355 / 1358
页数：4
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