摘要
以ＫＯＨ溶液浸渍聚丙烯腈系预氧织物为原料，制备了高比表面积窄孔径分布的活性炭纤维，考察了ＫＯＨ浸渍量、活化温度、活化时间等因素的影响，并对活性炭纤维的孔结构及其吸附性能进行了分析。结果表明：ＫＯＨ 的浸渍量、活化温度、活化时间都有一最佳值，苯吸附较碘吸附更能反应该活性炭的吸附性能。
The carbon fiber with high specific surface area and narrow pore size distribution was produced from preoxidated PAN-based fabric which was impregnated with KOH solution.The effects of the impregnated KOH ratio,activation temperature and activation time on the porous structure and adsorption capacity of the actived carbon fiber were investigated. The results show that the impregnated KOH ratio,the activation time and activation temperature has an optimum value respectively.Benzene adsorption is better than iodine adsorption to character the adsorption of the actived carbon fiber.
出处
《炭素技术》
CAS
CSCD
1999年第5期9-13,共5页
Carbon Techniques
关键词
预氧织物
活性炭纤维
孔结构
吸附
氢氧化钾
Preoxidated fabric
actived carbon fiber
pore structure
adsorption capacity
