改性ACF－PAN吸附SO_2前后表面结构变化及机机理究  

CHANGE OF SURFACE STRUCTURE BEFORE AND AFTER SO_2 ADSORPTION ON MODIFIED ACF-PAN AND ITS MECHANISM

作　　者：刘中正[1] 串亚权[1] 罗德明[1] 尹华强[1] 刘谦 华坚[1] 胡玉英[1] 

机构地区：[1]成都科技大学环境系

出　　处：《中国环境科学》1994年第6期422-423,共2页China Environmental Science

基　　金：国家自然科学基金

摘　　要：以自制ＰＡＮ－基聚丙烯腈活性碳纤维ＡＣＦ－ＰＡＮ（ＡＣＦ－活性碳纤维、ＰＡＮ－聚丙烯腈）和改性处理的ＡＣＦ－ＰＡＮ吸附ＳＯ_２，借助ＩＲ、ｘ－光电子能谱分析等研究ＡＣＦ－ＰＡＮ改性处理及吸附ＳＯ_２前后表面结构变化。结果表明：各型ＡＣＦ－ＰＡＮ吸附ＳＯ_２的活性中心为表面结构中的含氮官能团以及引入的金属氧化物，其吸附机理是活性氮催化或电子传递。The mechanism of ACF-PAN and modified ACFPAN adsorbing SO2 and its activated center are studied in this paper, as well as the change of surface structure before and after SO2 adsorption, by IP and X-ray photoelectron spetrometry.The results indicate that the activated center on modified ACFPAN and ACF-PAN prepared consists of functional group containing nitrogen and metal oxide. The adsorption mechanism of SO2 on ACF-PAN and modified ACF-PAN is the catalysis by activated nitrogen or electron transport.

关 键 词：活性碳纤维 改性 表面结构 吸附 二氧化硫 

分 类 号：TQ342.86[化学工程—化纤工业]