多孔炭的物理化学性能对其吸附性能的影响  

Effect of Physicochemical Characteristic of Porous Carbon on Its Performance of Adsorption

作　　者：齐菊锐[1] 李陟[1] 许宏鼎[1] 王子忱[1] 

机构地区：[1]吉林大学化学学院分析化学系,长春130023

出　　处：《吉林大学学报（理学版）》2005年第1期95-100,共6页Journal of Jilin University:Science Edition

摘　　要：通过多孔炭对酚类化合物、Cr(Ⅵ)和I2的吸附,研究了多孔炭的表面物理化学性能对不同电性物种吸附能力的影响.发现多孔炭对酚类化合物及Cr(Ⅵ)的吸附以化学吸附为主,其中对酚类化合物的吸附由羧基与内酯基的表面密度合量决定,对Cr(Ⅵ)的吸附由表面官能团中羧基和内脂基含量的合量决定;多孔炭对I2的吸附以物理吸附为主,由孔容决定.By adsorbing phenolic compounds, Cr(Ⅵ) and (I_2,) the effect of the physicochemical characteristic of the porous carbon on its adsorption performance for different species was studied. It is shown that the (adsorption) of the porous carbon towards (I_2) depends on the pore volume of the porous carbon; the adsorption of the porous carbon towards phenolic compounds depends on the density of carboxylic and lactonic groups on the surface of the porous carbon; the adsorption of the porous carbon towards Cr(Ⅵ) depends on the total content of basic, carboxylic and lactonic groups on the surface of the porous carbon.

关 键 词：多孔炭 吸附性 碘 铬(Ⅵ) 酚类化合物 

分 类 号：O621[理学—有机化学]