摘要
研究了用 H2 O2 ,HNO3加醋酸铜溶液进行表面改性后的活性炭对 CO2 的吸附性能 ,分析了改性前后活性炭的表面化学性质 ,测定了 2 73K下的吸附等温线 ,用 D- A方程对吸附等温线进行了很好的拟合 ,探讨了表面改性对活性炭表面化学性质的影响及其表面化学性质与吸附性能之间的关系。
In order to improve the carbon dioxide adsorption capacity on china-made activated carbon, its oxidative treatment with hydrogen peroxide, nitric acid and cupic acetate was carried out . The results showed that the modified surface had important effects on the carbon dioxide adsorption capacity and surface acid groups. The measured characteristic free energy of adsorption was affected by acid groups of activated carbon.
出处
《南京化工大学学报》
2000年第2期63-65,共3页
Journal of Nanjing University of Chemical Technology(Natural Science Edition)
关键词
活性炭
表面改性
吸附
二氧化碳
吸附剂
activated carbon carbon dioxide surface modification adsorption
