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Extraction of p-xylene from mixtures of xylenes and ethyl benzene by means of liquid-phase clathration

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Chemistry and Technology of Fuels and Oils Aims and scope

Conclusions

  1. 1.

    Ni(4-methypyridine)4(SCN)2 is a complex possessing high selectivity; in the extraction of p-xylenes from mixtures it retains its selectivity during repeated use.

  2. 2.

    The use of a solvent provides for recirculation and continuity of the process.

  3. 3.

    The effectiveness of the separation increases substantially when ammonium oxalate and ethanolammonium thiocyanate are added to the solvent.

  4. 4.

    In two-step clathration, products of almost 100% purity can be obtained.

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Literature cited

  1. G. M. Panchenkov and A. I. Korosteleva, Inorganic Werner Complexes and Their Use in Clathration Processes [in Russian], TsNIITÉneftekhim (1970).

  2. G. M. Panchenkov and A. I. Korosteleva, ZhNKh,9, (1970).

  3. G. M. Panchenkov and A. I. Korosteleva, Neftepererabotka i Neftekhimiya,5 (1970).

  4. W. D. Schaeffer, US Patent No. 3029300 (1962).

  5. W. D. Schaeffer, US Patent No. 3161694 (1964).

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Authors and Affiliations

  1. I. M. Gubkin Moscow Institute of the Petrochemical and Gas Industry, USSR

    G. M. Panchenkov & A. I. Korosteleva

Authors
  1. G. M. Panchenkov
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  2. A. I. Korosteleva
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 4, pp. 11–13, April, 1971.

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Panchenkov, G.M., Korosteleva, A.I. Extraction of p-xylene from mixtures of xylenes and ethyl benzene by means of liquid-phase clathration. Chem Technol Fuels Oils 7, 258–260 (1971). https://doi.org/10.1007/BF00718249

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  • DOI: https://doi.org/10.1007/BF00718249

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