文献类型：期刊文献

中文题名：Pd-La/γ-Al_2O_3气相催化合成3,5-二甲基苯胺

英文题名：Synthesis of 3,5-dimethylaniline via gas-phase amination over Pd-La/γ-Al_2O_3 catalyst

作者：何邦方[1];孙璐璐[1];吕利敏[1];王佳[1];刘纯山[1]

机构：[1]华东理工大学工业催化研究所,上海200237

年份：2008

卷号：16

期号：1

起止页码：45

中文期刊名：工业催化

外文期刊名：Industrial Catalysis

收录：CSTPCD

语种：中文

中文关键词：催化化学;Pd—La/γ—Al2O3催化剂;3,5-二甲基苯酚;气相胺化;3,5-二甲基苯胺;积炭失活

外文关键词：catalytic chemistry ; Pd-La/γ-Al2O3 catalyst ; 3,5-dimethylphenol ; gas-phase amination; 3,5-dimethylaniline ; coke formation

摘要：以γ-A l2O3为载体,采用浸渍法制备了Pd-La/γ-A l2O3催化剂,并在固定床反应器中研究了该催化剂上的气相胺化合成3,5-二甲基苯胺。采用BET孔结构测试、XRD、TG和SEM等手段对新鲜及失活催化剂进行表征,考察了胺化反应前后催化剂性能的变化。结果表明,失活催化剂上的积炭分别沉积在金属和载体上。
A Pd-La/γ-Al2O3 catalyst was prepared by impregnation method using γ-Al2O3 as the support. Synthesis of 3,5-dimethylaniline via gas-phase amination was investigated in a continuous fixed bed reactor over the catalyst. The fresh and deactivated catalyst samples were characterized by BET, XRD, TG- DTG and SEM. The results showed that coke formation occurred on both the metal and the support.