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Production of aromatic hydrocarbons by the hydrogenative purification of liquid pyrolysis products

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Chemistry and Technology of Fuels and Oils Aims and scope

Conclusions

  1. 1.

    A one-channel, two-stage process has been developed for the hydrogenative purification of distillate fractions from liquid pyrolysis products, using a palladium catalyst in the first stage, an aluminum-cobalt-molybdenum catalyst in the second stage, and a hydrogen pressure of 40 atm.

  2. 2.

    The use of a low-temperature palladium catalyst in the first stage permits a simplified technology and an improved product quality; the products can be used to the production of C6-C8 aromatic hydrocarbons.

  3. 3.

    It has been shown that it is possible to separate benzene, toluene, and total xylenes in amounts comprising 98.0, 97.0, and 92.0% of the theoretical, respectively, from a hydrofined pyrocondensate (containing 65.7% of aromatic hydrocarbons), by means of extraction with diethylene glycol and subsequent distillation.

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Literature cited

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Authors and Affiliations

  1. Institute of Fossil Fuels, USSR

    A. D. Barents, A. B. Vo1' -Épshtein, A. A. Krichko, T. N. Mukhina, V. N. Pokorskii & M. N. Yablochkina

  2. Scientific-Research Institute for Weakly Caking Coals, USSR

    A. D. Barents, A. B. Vo1' -Épshtein, A. A. Krichko, T. N. Mukhina, V. N. Pokorskii & M. N. Yablochkina

  3. All Union Scientific-Research Institute for Petrochemical Processes, USSR

    A. D. Barents, A. B. Vo1' -Épshtein, A. A. Krichko, T. N. Mukhina, V. N. Pokorskii & M. N. Yablochkina

Authors
  1. A. D. Barents
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  2. A. B. Vo1' -Épshtein
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  3. A. A. Krichko
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  4. T. N. Mukhina
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  5. V. N. Pokorskii
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  6. M. N. Yablochkina
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Translated from Khimiya i Tekhnologiya Toplivi Masel, No. 4, pp. 6–9, April, 1969.

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Barents, A.D., Vo1' -Épshtein, A.B., Krichko, A.A. et al. Production of aromatic hydrocarbons by the hydrogenative purification of liquid pyrolysis products. Chem Technol Fuels Oils 5, 243–247 (1969). https://doi.org/10.1007/BF00730177

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