Abstract
The data, concerning to the nitrogen oxidation reaction, initiated by electrical discharge, are reviewed in this article. The reviewed data lead to conclusion that critical concentrations of NO molecules and NO3 radicals can be achieved in course of discharge in air at some special conditions, thereafter avalanche-like rise of reaction velocity is observed. At explosion conditions the oxidation of nitrogen proceeds until full exhaustion of atmospheric oxygen in the reaction zone. Explosion like kinetics of nitrogen oxidation results in high concentration of electronically excited molecules NO(B 2Π), it forms conditions for laser generation in the blue region of the spectrum. The generation of this kind was observed. The proposed mechanism of chain reaction explains all the experimental data.
Highlights
Introduction“Biological nitrogen fixation contributes about half of total nitrogen input to global agriculture, the rest coming from nitrogenous fertilizer produced chemically from the Haber-Bosh synthesis of ammonia
The data, concerning to the nitrogen oxidation reaction, initiated by electrical discharge, are reviewed in this article
The proposition about NO3 radical formation resulted in possibility of explosion-like kinetics of nitrogen oxidation reaction
Summary
“Biological nitrogen fixation contributes about half of total nitrogen input to global agriculture, the rest coming from nitrogenous fertilizer produced chemically from the Haber-Bosh synthesis of ammonia. To produce the hydrogen gas together with the high temperatures and pressures needed for this chemical process, about 1% of the world’s total annual energy supply has to be consumed” [1]. Another possible way to produce fixed nitrogen is the atmospheric nitrogen oxidation in electric discharge. This way is still not used in industry for the reasons of low energetic efficiency [2]. Discovery of explosion in atmospheric air initiated by an electric discharge [3] generates new hopes to overcome mentioned above problem, if chemical chains are produced at explosion conditions. The review of data, important for performing of nitrogen oxidation chain reaction, is the aim of this article
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