KOH活化制备高比表面积竹活性炭研究  

Preparation of Activated Carbon with High Specific Surface Area from Bamboo by Potassium Hydroxide

作　　者：余梅芳[1] 胡晓斌[1] 王康成[1] 尹晖[1] 

机构地区：[1]湖州师范学院生命科学学院,浙江湖州313000

出　　处：《浙江林业科技》2006年第3期17-20,共4页Journal of Zhejiang Forestry Science and Technology

摘　　要：研究了KOH浸渍量、活化温度、活化时间等因素对活性炭收率、微孔结构和吸附性能的影响,结果表明:当碱/竹比为0.7,炭化温度为500℃,炭化时间为1h,活化温度为800℃,活化时间为20min时,所制得的活性炭的微孔比表面积达2492m2/g、碘吸附值2382mg/g、亚甲基蓝吸附值558mg/g。Study on effect of KOH impregnating quantity, activating temperature and time on yield, porous structure and adsorption capacity of activation carbon from bamboo resulted that activated carbon with 2 492 m^2/g of specific surface area, 2 382 mg/g of iodine adsorption value and 558 mg/g of methylene blue adsorption value could be prepared under 0.7 of ratio of KOH/bamboo, carbonization temperature at 500℃, carbonization time in lhour, activation at 800 ℃, activation time in 20minutes.

关 键 词：高比表面积活性炭 竹炭 吸附性能 孔结构 

分 类 号：S789.9[农业科学—林学]