Radiolysis of Mixtures of Hydrocarbons and Ammonia. I. Formation of Ethylamine from a Mixture of Ethylene and Ammonia

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概要

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• The γ-radiolysis of a gaseous mixture of ethylene and ammonia has been investigated over the whole range of composition. The products of decomposition were primarily hydrogen, ethane, <I>n</I>-butane, ethylamine, and acetylene. It was observed that the yields of ethane, <I>n</I>-butane, and ethylamine increased with the increasing concentration of ammonia, and that the <I>G</I>-values of these products at 98 mol% ammonia were 0.52, 2.12, and 0.89, respectively. Addition of oxygen or nitric oxide as radical scavengers tended to reduce the yields remarkably. The <I>G</I>-value of ethyl radical was calculated from the <I>G</I>-values of ethane, <I>n</I>-butane, and ethylamine, and the limiting value of <I>G</I>(C<SUB>2</SUB>H<SUB>5</SUB>·) was determined by extrapolation to 100 mol% ammonia. The value thus obtained agrees with the initial <I>G</I>-value of hydrogen radical, <I>i.e.</I>, <I>G</I><SUB>H</SUB>=7.0±0.6, which was obtained by Eyre and Smithies in the study of the γ-radiolysis of ammonia gas. From these results, it was concluded that thermal hydrogen radicals produced by the γ-radiolysis react quickly with ethylene, giving ethane, <I>n</I>-butane, and ethylamine from ethyl radicals.

• 公益社団法人 日本化学会の論文

著者

• Danno Akibumi

  Japan Atomic Energy Research Institute

• Hamanoue Kumao

  Japan Atomic Energy Research Institute, Tokai Research Establishment

• Tokunaga Okihiro

  Japan Atomic Energy Research Institute, Tokai Research Establishment

• Tokunaga Okihiro

  Japan Atomic Energy Research Institute, Takasaki Radiation Chemistry Research Establishment

• OKAMOTO Jiro

  Japan Atomic Energy Research Institute

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