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1. ¡°Moreover, the activity data here give the selectivity in cracking, aromatization and higher olefins formation, while the values for hexene conversion are not explicitly given, being around 95 . At such reaction conditions providing conversions close to 100  a realistic correlation can hardly be done.¡±
2.¡°The product distributions found on different catalysts or under different conditions have to be compared for similar values of conversion. Because of the very high reactivity of n-hexene (values of conversion always close to 100), this is not possible in this work. This makes very difficult all the comparisons, which deserves to be underscored¡±


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