Sixth symposium (international) on combustion

Perry, Micah

doi:10.1016/0010-2180(58)90052-x

Cited by 1 publication

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“…We have assumed a very slow rate for this reaction, one that is well below the upper bound determined by Perry [41]. Even with this low rate, sensitivity analysis reveals that Reaction 90 plays a minor role in the NO-removal process and could conceivably be more important than our calculations suggest.…”

Section: Reaction Mechanismmentioning

confidence: 76%

Kinetic modeling of the reduction of nitric oxide in combustion products by isocyanic acid

Miller

Bowman

1991

Int J of Chemical Kinetics

168

108

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The RAPRENO, process for NO reduction in combustion products involves reaction of nitric oxide with isocyanic acid. We have developed a mechanism for the gas-phase reaction of isocyanic acid with nitric oxide in the presence of various amounts of 0 2 , H20, and CO. Kinetics calculations using the mechanism are compared with the experimental data of Siebers and Caton, and the model reproduces all trends of these data. Sensitivity and rate-of-production analyses show that the reactions of HNCO with OH, 0, and H play a major role in the NOremoval process and that NO removal occurs primarily by reaction of NO with NCO to form NzO, which subsequently reacts slowly to form NP. The overall reaction is critically dependent on production of radicals. When 02, H20, and CO are present, the radicals are supplied by the moist-CO chain branching sequence. When any of these species is absent, radicals must be supplied by other reactions, principally the NzO decomposition reaction and the reaction of the NH, radical with NO.

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Section: Reaction Mechanismmentioning

confidence: 76%