均苯四甲酸二酐合成催化剂的研究进展

Research progress of the catalyst for pyromellitic dianhydride

对均四甲苯气相氧化法制均苯四甲酸二酐所用催化剂的研究进行了综述,重点叙述了国内外关于催化剂活性成分的研究状况,并介绍了通过改进载体和制备方法提高均苯四甲酸二酐收率的措施,为高性能催化剂的开发提供思路。

The main research progress of catalyst preparation for pyromellitic dianhydride by catalytic vaporphase oxidation of durene was reviewed in this paper,the research on the active components of catalysts at home and abroad was emphasized,the measures to improve the yield of pyromellitic dianhydride by improving the carrier and preparation method were introduced,which provided ideas for the development of high performance catalysts.