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Regeneration of Refinery Gas Treatment Superacid Catalysts by SCF Solvent Extraction

An Erratum to this article was published on 01 May 2016

The mechanisms of the process of extractive regeneration of oligomerization catalysts based on pillared clays in supercritical carbon dioxide (SCF-CO 3 ) in pure state and with addition of chlorine compounds (CCl 4 or C 2 H 4 Cl 2 ) are studied. The catalyst efficiency in the oligomerization process after regeneration with various SCF solvents is compared. The carburized and regenerated catalysts are studied by thermal analysis methods. Chlorine-containing additives are found to be effective in the regeneration process.

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References

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The work was carried out as part of state project No. 10.2699.2014/K.

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Correspondence to Yu. A. Khamzin.

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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 6, pp. 96 – 98, November – December, 2015.

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Khamzin, Y.A., Shiriyazdanov, R.R., Davletshin, A.R. et al. Regeneration of Refinery Gas Treatment Superacid Catalysts by SCF Solvent Extraction. Chem Technol Fuels Oils 51, 709–712 (2016). https://doi.org/10.1007/s10553-016-0661-x

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  • DOI: https://doi.org/10.1007/s10553-016-0661-x

Keywords

  • catalyst regeneration
  • oligomerization
  • supercritical fluid
  • butane-butylene fraction
  • isoolefins