A process for producing an aliphatic aldehydic acid (e.g., adipaldehydic acid) and/or aliphatic dicarboxylic acid (e.g., adipic acid) which comprises oxidizing a cyclic ketone (e.g., cyclohexanone) with molecular oxygen in the presence of an immobilized catalyst which comprises a composite comprising a support and supported thereon at least one metallic element belonging to Groups 4 to 11 of the Periodic Table and has an acid amount of 0.06 mmol or larger per gram of the support.
一种生产脂肪族醛酸(如
己二酸)和/或脂肪族二
羧酸(如
己二酸)的工艺,该工艺包括在固定催化剂存在下用分子氧氧化环酮(如
环己酮),固定催化剂包括一种复合材料,该复合材料由载体组成,载体上支撑有至少一种属于元素周期表第4至11族的
金属元素,每克载体的酸量为0.06毫摩尔或更大。