Preparation of Microporous Activated Carbon from Raw Coconut Shell by Two-step Procedure

被引：0
|
作者：
苏伟 [1 ]
周理 [1 ]
周亚平 [2 ]
机构：
[1] Chemical Engineering Research Center, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
[2] Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, China
来源：
Chinese Journal of Chemical Engineering | 2006年 / 02期
基金：
中国国家自然科学基金;
关键词：
activated carbon; oxygenation; pore size distribution; microporosity;
D O I：
暂无
中图分类号：
TQ424.1 [活性炭];
学科分类号：
0817 ;
摘要：
A novel two-step procedure was used to manufacture microporous activated carbon from raw co- conut shell. In this process, the raw coconut shell was (1) heated in an inert environment to temperatures be- tween 450℃ and 850℃, and reacted with oxygen ( p O2=1.1-5.3kPa) for some time, and (2) heated again in in- ert environment to activation temperature(850℃) to produce an activated carbon. Activated carbons with specific surface area greater than 700m2·g-1 were manufactured with a yield between 24% and 28%. It was shown that the carbon had a narrow distribution of pore size, possibly less than 1nm, which was calculated by a simple method based on local density function theory.
引用
收藏
页码：266 / 269
页数：4
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