超临界CO_2中醇类的分子氧氧化

Aerobic Oxidation of Alcohols in Supercritical CO_2

本文以催化剂体系为主线,介绍了超临界二氧化碳中以分子氧代替化学计量氧化剂的醇类清洁氧化技术的研究进展。分析了所研究的催化剂体系的催化性能,主要有钯、铂、钌、金等金属催化剂以及杂多酸催化剂体系;介绍了超临界二氧化碳体系中相行为的影响。指出超临界二氧化碳中醇类清洁氧化技术的研究才刚刚起步,其中高效催化剂体系的开发是超临界二氧化碳中醇类清洁氧化技术能否工业化的关键。

Advances in cleaner oxidation of alcohols by molecular oxygen instead of stoichiometric oxidants in supercritical carbon dioxide are introduced according to the catalytic systems. The catalytic performances are analyzed for the catalytic systems including the palladium-based, the platinum-based, the ruthenium-based, the gold-based and the polyoxometalate catalysts. The influence of the phase behavior in supercritical carbon dioxide on the aerobic oxidation of alcohols is also introduced. The study of the cleaner oxidation of alcohols in supercritical carbon dioxide is just a new research field. It should be noticed that the development of the catalysts with high activity and selectivity is the key factor for the industrial application of the cleaner oxidation of alcohols in supercritical carbon dioxide.