2000
DOI: 10.1021/ef990186r
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Abstract: The ability of non-hydrocarbon fuels such as CO and H2 to reduce nitric oxide under conditions relevant for the reburning process is investigated experimentally and theoretically. Flow reactor experiments on reduction of NO by CO and H2 are conducted under fuel-rich conditions, covering temperatures of 1200−1800 K and a range of stoichiometries and reactant levels. Bench and pilot scale results from literature on reburning with CO, H2, and low calorific value gases are also considered. The experimental data ar… Show more

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Cited by 111 publications
(110 citation statements)
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“…Of particular interest was the potential reduction of NO at moderate temperatures through a pathway involving conversion of HNO to NH by reaction with H 2 and CO. Such a reaction pathway is supported by direct measurements of NH + CO 2 and NH + H 2 O [17], but appears to be inconsistent with results from flow reactors [18] and laminar diffusion flames [19]. A second issue is the effect of SO 2 on the radical pool.…”
Section: Introductionmentioning
confidence: 90%
See 1 more Smart Citation
“…Of particular interest was the potential reduction of NO at moderate temperatures through a pathway involving conversion of HNO to NH by reaction with H 2 and CO. Such a reaction pathway is supported by direct measurements of NH + CO 2 and NH + H 2 O [17], but appears to be inconsistent with results from flow reactors [18] and laminar diffusion flames [19]. A second issue is the effect of SO 2 on the radical pool.…”
Section: Introductionmentioning
confidence: 90%
“…3d) by this reaction sequence is even stronger owing to the increased importance of the hydrogen atom as chain carrier. The ability of CO and H 2 to reduce NO is quite important for the reburn potential of gases such as biomass volatiles that are characterized by a low hydrocarbon content [18]. Of particular interest in the present work has been to assess the importance of reactions that form a pathway from HNO to NH, allowing for a subsequent reduction of NO by the NH i radical pool.…”
Section: Effect Of No On Co-h 2 Oxidationmentioning
confidence: 99%
“…This favoring of HNO over N leads to the higher NO concentrations predicted by the GRI 3.0 mechanism. The validity of the rate expressions for the two reactions, above, has been called into question in previous studies [43]. To assess the claims suggested in the reference, three simulations were performed using the GRI 3.0 mechanism with reactions 195 and 278 removed; results are included in Fig.…”
Section: Comparison Of No X Formation Between Mechanismsmentioning
confidence: 99%
“…When either or both of the reverse reactions (-2) or (-3) with k-2(T) and k-3(T) determined from the above expression and the thermochemistry are used in models of several combustion systems, global reaction rates are too fast by one to four orders of magnitude; detailed analysis revealed in all cases that the problem is intimately connected to the inclusion of these reverse processes. These models include: (i) that of Glarborg et al [5] for NO reduction in rich NO/CO/H2 mixtures, in two flow reactors, for the 1200 to 1800 K temperature domain, (ii) that of Dagaut et al [6] for such mixtures in a jet stirred reactor from 800 to 1400 K, and (iii) Anderson's calculations of the Diau et al [7] results on the thermal reduction of NO by H2 in mixtures of these compounds with CO in a static reactor from 900 to 1225 K (See Appendix). Models for the thickness of dark zones in nitrate ester propellants combustion are similarly very adversely affected [8].…”
Section: Introductionmentioning
confidence: 99%