The activity of catalyst particles sampled at different reactor positions after several reaction-regeneration cycles is related to their time-temp. history, according to the obtained sintering kinetics under coke-free conditions.

• 根据在无焦炭条件下所得的烧结动力学数据,在几次反应－再生循环之后,在反应器不同位置所取催化剂颗粒样品的活性与其使用的时间－温度情况有关。