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The effect of carbamide on the composition of gas phase formed upon thermal destruction of graphite nitrate

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Abstract

The composition of gas evolved upon thermal decomposition of individual and carbamidemodified graphite nitrates was determined. The addition of carbamide was shown to result in the 2—4-fold decrease in the content of nitrogen oxides and the 2—5-fold increase in the content of carbon monoxide. The content of nitrogen oxides in the gas phase decreased when the HNO3 : (NH2)2CO molar ratio was equal to 1 : (0.4—1). Combination of carbamide addition with catalytic afterburning provides the 5-fold decrease in the gas-phase amount of nitrogen oxides at the minimum CO content.

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Authors and Affiliations

  1. Department of Chemistry, M. V. Lomonosov Moscow State University, Build. 3, 1 Leninskie Gory, 119991, Moscow, Russian Federation

    A. V. Ivanov, S. V. Filimonov & O. N. Shornikova

  2. Institute of New Carbon Materials and Technologies, Build. 11, 1 Leninskie Gory, 119991, Moscow, Russian Federation

    A. P. Malakho

Authors
  1. A. V. Ivanov
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  2. S. V. Filimonov
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  3. O. N. Shornikova
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  4. A. P. Malakho
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Corresponding author

Correspondence to O. N. Shornikova.

Additional information

Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 1, pp. 0282—0286, January, 2016.

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Ivanov, A.V., Filimonov, S.V., Shornikova, O.N. et al. The effect of carbamide on the composition of gas phase formed upon thermal destruction of graphite nitrate. Russ Chem Bull 65, 282–286 (2016). https://doi.org/10.1007/s11172-016-1298-y

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  • DOI: https://doi.org/10.1007/s11172-016-1298-y

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