Addition of formaldehyde to slowly reacting hydrogen + oxygen mixtures
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 68, 1362-1367
- https://doi.org/10.1039/f19726801362
Abstract
The effect of HCHO in reducing the induction periods of H2+ O2+ N2 mixtures at 500°C has been examined for a range of mixture composition, using HCHO concentrations in the range 0.05–1.0 %. Computer treatment shows that the marked reduction can only be accounted for by the reaction HO2+ HCHO = H2O2+ HCO(24). A detailed computer analysis of the results for a range of mixtures gives the ratio k24/k½ 10= 23 (mol l.–1 s)–½. Taking k10(HO2+ HO2= H2O2+ O2)= 1.8 × 109 gives k24= 9.6 × 105 l.mol–1 s–1. With A24= 109, this corresponds to E24= 10.7 kcal mol–1.Keywords
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