纳米金催化剂催化氧化环己烷氧化反应研究进展

Research Progress on the Oxidation of Cyclohexane Catalyzed by Nano-Gold Catalysts

综述了近年来环己烷氧化反应的主要工艺技术以及金催化剂在该反应中的开发进展,重点分析负载型金催化剂在环己烷氧化反应中的研究工作。金催化剂的研究在20世纪90年代发展迅速。相较于其他贵金属其优势是反应条件温和,且能得到高活性和选择性。针对环己烷氧化反应,分析近年来在该反应下纳米金催化剂的相关情况,阐述金催化剂通过制备方法提高活性的相关策略,探讨了催化机理。

In this paper,the main technologies of cyclohexane oxidation and the development progress of gold catalysts in this reaction in recent years are reviewed,with emphasis on the research work of supported gold catalysts in cyclohexane oxidation.The research of gold catalysts developed rapidly in the 1990s.Compared with other precious metals,it has the advantages of mild reaction conditions,high activity and selectivity.Aiming at cyclohexane oxidation reaction,the related situation of nano gold catalyst in this reaction in recent years was analyzed,the related strategies of improving the activity of gold catalyst through preparation methods were expounded,and the catalytic mechanism was discussed.