Microporous activated carbons from lignocellulosic biomass by KOH activation

被引：58
作者：
Bag, Oznur [1 ]
Tekin, Kubilay [2 ]
Karagoz, Selhan [1 ]
机构：
[1] Karabuk Univ, Dept Chem, TR-78050 Karabuk, Turkey
[2] Karabuk Univ, Dept Environm Engn, TR-78050 Karabuk, Turkey
来源：
FULLERENES NANOTUBES AND CARBON NANOSTRUCTURES | 2020年 / 28卷 / 12期
关键词：
Activated carbon; KOH activation; lignocellulosic biomass; CHEMICAL ACTIVATION; CELLULOSE; LIGNIN; WASTE; POWDER; SEEDS;
D O I：
10.1080/1536383X.2020.1794850
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Oak wood samples were converted into activated carbons via chemical activation with KOH. The effects of KOH concentration and temperature on the yields and characteristics of the activated carbons were investigated; the yield of the activated carbons decreased with increased temperature and impregnation ratio. The lowest yield of activated carbon was obtained at the highest temperature (800 degrees C), with the highest KOH concentration of 100 wt%. The BET surface area of the activated carbons was comparable to that of commercially-activated carbon. The highest BET surface area of the activated carbon was 1662 m(2).g(-1), obtained at 800 degrees C with 50 wt% KOH concentration. KOH activation resulted in microporosity development in activated carbons.
引用
收藏
页码：1030 / 1037
页数：8
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