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Formation of pyrocarbon from methane and acetylene at temperatures of 1350–1500°C

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Combustion, Explosion and Shock Waves Aims and scope

Conclusions

  1. 1.

    For binary mixtures of methane (to 1500°C) and acetylene (to 1350°C) with hydrogen and argon at a hydrocarbon concentration above 10% the rate of pyrocarbon formation differs little from calculations by Eqs. (1), (2).

  2. 2.

    At a low (of the order of 1%) concentration of methane or acetylene in argon the pyrocarbon formation rate exceeds the value calculated with Eqs. (1), (2) by approximately an order of magnitude.

  3. 3.

    It has been shown that the observed high rate of the process cannot be explained by the contribution of aromatic compounds or diacetylene formed by gas phase reactions but is produced by radicals formed in the gas phase upon decay of methane or acetylene molecules.

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Literature Cited

  1. H. G. G. Wagner, 17th Symposium (International) on Combustion, Combustion Institute, Pittsburgh (1979).

  2. P. A. Tesner, Fiz. Goreniya Vzryva,15, No. 2, 3.

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  8. P. A. Tesner, V. G. Knorre, and T. D. Snegireva, in: IV All-Union Symposium on Combustion and Explosion. Chemical Reaction Kinetics [in Russian], Alma-Ata-Chernogolovka (1980).

  9. P. A. Tesner, I. S. Rafal'kes, and V. G. Knorre, in: III All-Union Conference on Technological Combustion. Problems of Technological Combustion [in Russian], Vol. 1 (1981).

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Authors
  1. É. F. Aref'eva
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  2. P. A. Tesner
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Additional information

Moscow. Translated from Fizika Goreniya i Vzryva, Vol. 22, No. 3, pp. 73–78, May–June, 1986.

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Aref'eva, É.F., Tesner, P.A. Formation of pyrocarbon from methane and acetylene at temperatures of 1350–1500°C. Combust Explos Shock Waves 22, 326–330 (1986). https://doi.org/10.1007/BF00750350

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  • DOI: https://doi.org/10.1007/BF00750350

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