含氮试剂对活性炭掺杂改性研究

Preparation of Nitrogen Doped Activated Carbon

多孔炭材料经过含氮试剂的掺杂改性后,宏观及微观性能都发生显著变化,在具有高比表面积、优良的耐热、耐酸碱的同时,还具有独特的电子传导性和催化性能,使其具有更广阔的应用前景。通过含氮试剂对活性炭改性制备考察,运用扫描电镜(SEM)、傅里叶变换红外光谱(FT-IR)、元素分析、BET氮吸附法对活性炭改性前后氮含量、表面官能团和孔结构变化进行表征分析,研究结果显示三聚氰胺、二氰二胺改性效果优异其他改性试剂。

Abstract： After containing nitrogen reagent of doping modification, macroscopic and microscopic properties of porous carbon materials have occur significant changes,it has high specific surface area,excellent heat resistance,acid and alkali resistance and unique electronic conductivity and catalytic properties,which has a wider application prospect. The activated carbon modified system were investigated by containing nitrogen reagent, the modification of activated carbon and nitrogen content, surface functional groups and pore structure changes were characterized and analyzed using scanning electron microscopy（ SEM）,Fourier transform infrared spectrometer（ FT-IR）,elemental analysis and BET nitrogen adsorption. The results showed that melamine and dicyandiamide modified effect was superior to other modification reagent.