现代催化研究方法论文

如下：

【摘要】：综述了分子氧氧化环己烷制取环己酮的催化剂的研究进展，重点介绍了光催化剂、纳米催化剂、仿生催化剂、分子筛催化剂和复合催化剂在环己烷催化氧化方面的应用，其中，负载在分子筛上的纳米金催化剂具有较高的催化活性、选择性及稳定性。

【关键词】：环己烷氧化，环己酮，催化剂的认识。

环己酮是重要的有机化工原料和工业溶剂，广泛应用于医药、油漆、涂料、橡胶、农药行业、印刷和塑料回收方面。目前，工业上制取环己醇和环己酮的方法主要为苯酚加氢法、苯部分加氢法和环己烷液相氧化法，环己烷氧化法的应用最为普遍，占90%以上。

由于环己醇和环己酮比环己烷更易于被氧化，为获得适宜的环已醇和环已酮的选择性，工业上环己烷氧化转化率通常控制在3.5%~5.0%，氧化选择性为90%左右。

但环己烷的大量循环造成能耗上的巨大浪费。目前，环己烷氧化工艺研究的热点主要集中在对传统工艺的改造优化、氧化剂的选择及高效催化剂的开发。开发高性能和环境友好的催化剂成为研究热点，近年来开发的一些氧化催化剂在改善环己烷转化率和产物选择性方面表现出较好的性能。

本文主要综述分子氧氧化环己烷制环己酮催化剂的研究进展。

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