以聚苯胺（Polyaniline，PANI）为前驱体，高温焙烧制备含氮多孔碳材料催化剂，并以固定床反应器对催化剂进行乙炔氢氯化催化性能研究。结果表明，聚苯胺在900℃下焙烧3 h所得催化剂活性最优，在优化的反应条件下，乙炔转化率高达41.42%，而相同乙炔空速下，汞催化剂的乙炔转化率最高为41.60%，催化效果相差无几。BET、XPS、SEM和TG表征结果表明，该催化剂拥有丰富的比表面积和高含氮量，以石墨氮（Graphitic N）为主要活性位点，氮含量与氮官能团十分稳定，不随反应的进行而改变，催化剂失活的主要原因是积炭。

Nitrogen-containing porous carbon catalysts are obtained through high temperature calcination by using polyaniline (PANI) as precursor.The catalysts' performance for hydrochlorination of acetylene is evaluated in a fixed bed reactor.Evaluation results show that the catalysts that are made by calcining PAN at 900℃ for 3 h show the best catalytic activity.Under optimized reaction conditions,the conversion of acetylene can reach as high as 41.42% over the prepared catalysts while the highest conversion of acetylene is 41.60% over industrial low-mercury catalyst under the same velocity of acetylene.Characterization through BET,XPS,SEM and TG shows that the catalysts have abundant specific surface area and high nitrogen content.Conclusion is drawn that abundant specific surface area (especial micro-pore) and high nitrogen content is helpful to the hydrochlorination of acetylene,graphitic N is the main active site,and the amount of nitrogen and nitrogen-containing functional groups within the catalysts keep constant during the hydrochlorination.Carbon deposition contributes to the deactivation of catalyst.

谢永刚(1995-),男,硕士研究生,研究方向为工业催化,471756275@qq.com