The present paper covers surface texture features of the catalysts for the oxidation of o-xylene to phthalic anhydride (PA) investigated by the Image Texture Analysis Technique and obviously corresponding relationship...The present paper covers surface texture features of the catalysts for the oxidation of o-xylene to phthalic anhydride (PA) investigated by the Image Texture Analysis Technique and obviously corresponding relationships between the catalyst activity and its texture features (entropy(F9) and angular second moment(F1)).By means of the two texture features(F9 and F1), the effects of promoters K2O and Al2O3 on the properties of the catalysts were analysed, a higher active catalyst' s surface texture model for active catalysts is given:d(F) = 0. 00693×F9 - 0. 98039×F1 - 0.03078 > 0The results show that the Image Texture Analysis Technique would be a useful tool for the studies of catalyst surface structure and computer-aided design of catalysts.展开更多
基金Supported by the National Natural Science Foundation of China
文摘The present paper covers surface texture features of the catalysts for the oxidation of o-xylene to phthalic anhydride (PA) investigated by the Image Texture Analysis Technique and obviously corresponding relationships between the catalyst activity and its texture features (entropy(F9) and angular second moment(F1)).By means of the two texture features(F9 and F1), the effects of promoters K2O and Al2O3 on the properties of the catalysts were analysed, a higher active catalyst' s surface texture model for active catalysts is given:d(F) = 0. 00693×F9 - 0. 98039×F1 - 0.03078 > 0The results show that the Image Texture Analysis Technique would be a useful tool for the studies of catalyst surface structure and computer-aided design of catalysts.
