OH initiated oxidation of 1,3-butadiene in the presence of O2 and NO
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The OH radical initiated oxidation of 1,3-butadiene was studied under high NOx conditions by the LP-LIF method. We report a rate constant of (7.0 ± 0.3) × 10-11 s-1 molecule-1 cm 3 for OH addition to 1,3-butadiene which agrees well with values reported previously. Based on the analysis of OH cycling data combined with results of earlier isomeric selective studies, we have determined a branching ratio for the major hydroxy alkyl channel to be 0.87 ± 0.08. Using this branching ratio, we have predicted the end product distribution for OH radical initiated oxidation of 1,3-butadiene and provide a condensed chemical mechanism. This study synthesizes previous work on OH initiated1,3-butadiene oxidation under high NOx conditions. © 2010 Elsevier B.V. All rights reserved.
author list (cited authors)
Ghosh, B., Park, J., Anderson, K. C., & North, S. W
complete list of authors
Ghosh, Buddhadeb||Park, Jiho||Anderson, Katie C||North, Simon W