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Separation of propylene from the propane-propylene fraction by continuous adsorption by zeolite

Conclusions

  1. 1.

    The use of a moving layer of NaX zeolite allows propylene to be obtained in concentrations of 99.5% and over.

  2. 2.

    The minimum height of the sections for this purpose are: adsorption 0.6 m, rectification 1.0 m, desorption 0.5 m.

  3. 3.

    The optimum conditions for the process are: adsorption temperature 20°C, desorption temperature ∼200°C, amount of adsorbent 20–40 kg/m3 propylene.

  4. 4.

    The NaX zeolite's activity decreases slightly after the first 28 cycles,after which it becomes stabilized at a level equal to 84% of the initial activity.

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Literature cited

  1. 1.

    N. K. Gainko and A. Z. Korogochinskii, Khim. i Tekhnol. Topliv i Masel, No. 11 (1965).

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Additional information

Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 9, pp. 9–12, September, 1970.

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Gainko, N.K., Dorogochinskii, A.Z. Separation of propylene from the propane-propylene fraction by continuous adsorption by zeolite. Chem Technol Fuels Oils 6, 651–654 (1970). https://doi.org/10.1007/BF00716537

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Keywords

  • Zeolite
  • Propylene
  • Optimum Condition
  • Initial Activity
  • Desorption Temperature