publication . Article . 2015

Influence of nitrogen dioxide on the thermal decomposition of ammonium nitrate

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Open Access
  • Published: 01 Jun 2015 Journal: Odes’kyi Politechnichnyi Universytet. Pratsi (issn: 2076-2429, eissn: 2223-3814, Copyright policy)
  • Publisher: Odessa National Polytechnic University
In this paper results of experimental studies of ammonium nitrate thermal decomposition in an open system under normal conditions and in NO2 atmosphere are presented. It is shown that nitrogen dioxide is the initiator of ammonium nitrate self-accelerating exothermic cyclic decomposition process. The insertion of NO2 from outside under the conditions of nonisothermal experiment reduces the characteristic temperature of the beginning of self-accelerating decomposition by 50...70 °C. Using method of isothermal exposures it is proved that thermal decomposition of ammonium nitrate in nitrogen dioxide atmosphere at 210 °C is autocatalytic (zero-order reaction). It was...
free text keywords: ammonium nitrate, thermolysis, nitrogen dioxide, General Works, A
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