An investigation was made into the duration of the working life without regeneration for a catalyst for the dehydrogenation of isopentane at 500°, 527°, and 550°: the higher the reaction temperature, the more rapid the fall in catalyst activity.
At 550° it is most advantageous to carry out the reaction in short working cycles (not more than one hour) at high space velocities. At 527° the dehydrogenation of isopentane can be carried out in longer cycles of about three hours, and at 500° still longer working cycles of 6–8 hours can be used.
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 E. A. Timofeeva and N. I. Shuikin, Bull. Acad. Sci. USSR, Div. Chem. Sci. 570 (1958).
 N. I. Shuikin, E. A. Timofeeva, and T. P. Dobrynina, Bull. Acad. Sci. USSR, Div. Chem. Sci. 726 (1958).
 E. A. Timofeeva, N. I. Shuikin, T. P. Dobrynina, and V. M. Kleimenova, Bull. Acad. Sci. USSR, Div. Chem. Sci. 875 (1959).
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Timofeeva, E.A., Shuikin, N.I., Dobrynina, T.P. et al. Life of catalyst without regeneration in the catalytic dehydrogenation of isopentane. Russ Chem Bull 8, 1560–1563 (1959). https://doi.org/10.1007/BF00918110
- Catalyst Activity
- Reaction Temperature
- Space Velocity