文献类型：期刊文献

英文题名：Catalytic hydrogenation of 1,4-phenylenediamine to 1,4-cyclohexanediamine

作者：Ma, Hongxian[1];Cai, Jianguo[1]

机构：[1]E China Univ Sci & Technol, Chem Engn Res Ctr, Shanghai 200237, Peoples R China

年份：2014

卷号：87

期号：3

起止页码：397

外文期刊名：RUSSIAN JOURNAL OF APPLIED CHEMISTRY

收录：;EI(收录号：20242616499840);WOS:【SCI-EXPANDED(收录号:WOS:000338211900023)】；

语种：英文

外文关键词：Catalyst selectivity

摘要：Catalytic hydrogenation of 1,4-phenylenediamine to 1,4-cyclohexanediamine using Ru/Al2O3 as a catalyst was carried out in water, and the results were compared with those in isopropanol and SC-CO2. 80% 1,4-phenylenediamine conversion with 87% selectivity to 1,4-cyclohexanediamine was achieved on 5% Ru/Al2O3 catalyst at 90A degrees C and H-2 pressure of 4 MPa. The hydrogenation of 1,4-phenylenediamine is influenced by the solvent. A systematic study of the hydrogenation of 1,4-phenylenediamine revealed that the reaction was consecutive. The longer the time, the lower was the CHDA selectivity. Also, the reaction temperature was an important parameter and played a vital role in preventing the formation of side products.