A method produces ε-caprolactam through adipamide as an intermediate, and characteristically includes a lactamization step of reacting adipamide, formed from a material compound, with hydrogen and ammonia in the presence of a catalyst containing: a metal oxide mainly containing an oxide(s) of one or more metallic elements selected from the group consisting of metallic elements of group 5 and groups 7 to 14 in the 4th to 6th periods of the periodic table; and a metal and/or a metal compound having a hydrogenation ability.
一种通过
己二胺作为中间体生产ε-己内酰胺的方法,其特征在于包括一个内酰胺化步骤,即在催化剂存在下,使由材料化合物形成的
己二胺与
氢气和
氨气反应,催化剂包含:一种金属氧化物,主要含有一种或多种
金属元素的氧化物,这些
金属元素选自元素周期表第 4 至第 6 周期的第 5 族和第 7 至第 14 族
金属元素组成的组;以及一种
金属和/或一种具有氢化能力的
金属化合物。