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Coke removal by oxidative treatment was studied for a number of HY zeolites with framework Si/Al ratios in the range of 4 to 100, coked to different levels during propene transformation at 450 o C. Except for the zeolites with high Si/Al ratios there was practically no effect of the coke content, hence of the nature and of the location of coke molecules, on coke oxidation. Oxidation of pure...
Coke removal by oxidative treatment was studied for a number of HY zeolites with framework Si/Al ratios in the range of 4 to 100, coked to different levels during propene transformation at 450°C. Except for the zeolites with high Si/Al ratios there was practically no effect of the coke content, hence of the nature and of the location of coke molecules, on coke oxidation. Oxidation of pure pyrene trapped...
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