The effect of low-concentration fuels on the conversion of nitric oxide to nitrogen dioxide

Hori, Morio; Matsunaga, Naoki; Malte, Philip C.; Marinov, Nick M.

doi:10.1016/s0082-0784(06)80108-6

Cited by 53 publications

(38 citation statements)

References 14 publications

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“…Low temperature combustion (LTC) is a generic term that refers to an engine condition which operates below that required for the formation of NO X ("<2.5, 2000K <T) and/or PM (">~2.5, 1700K <T < 2400K) [40]. Combustion temperature can be lowered by introducing EGR or by altering the combustion process to be locally fuel lean.…”

Section: Low Temperature Combustionmentioning

confidence: 99%

“…The concept of LTC is best presented by a 3D-CFD model originally developed by Akihama and coworkers [40]. This map plots local equivalence ratio verses local flame temperature.…”

Section: Low Temperature Combustionmentioning

confidence: 99%

“…However, the EGR decreases the local combustion temperature below the PM formation temperature. [40] [42] The concept of SRDC emissions reduction is summarized in …”

Section: Smokeless Locally Rich Diesel Combustionmentioning

confidence: 99%

“…The pre-mixed air-fuel charge combusts locally fuel-lean at lower temperatures compared to a diffusion flame. The HECC mode also utilizes ~50% EGR, which [40]. The rate of oxidation is reduced by lowered combustion temperatures, but so little PM is formed that the HECC mode yields lower PM then the baseline or LTC modes.…”

Section: Particulate Matter Emissions: Bg-1mentioning

confidence: 99%

“…More recent research has focused on the hydrocarbons in the turbulent diffusion flame [38][39][40][41]. Hori has investigated low concentrations of various hydrocarbons below C 4 H 10 and their effect on NO 2 conversion between 600 K and 1100 K. Meunier and coworkers focused on the formation and destruction of NO in a propane diffusion flame.…”

Section: Nox Emissionsmentioning

confidence: 99%

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Hydrogen-Assisted IC Engine Combustion as a Route to Hydrogen Implementation

Boehman¹,

Haworth²

2008

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Section: Low Temperature Combustionmentioning

confidence: 99%

“…The concept of LTC is best presented by a 3D-CFD model originally developed by Akihama and coworkers [40]. This map plots local equivalence ratio verses local flame temperature.…”

Section: Low Temperature Combustionmentioning

confidence: 99%

“…However, the EGR decreases the local combustion temperature below the PM formation temperature. [40] [42] The concept of SRDC emissions reduction is summarized in …”

Section: Smokeless Locally Rich Diesel Combustionmentioning

confidence: 99%

Section: Particulate Matter Emissions: Bg-1mentioning

confidence: 99%

Section: Nox Emissionsmentioning

confidence: 99%

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Hydrogen-Assisted IC Engine Combustion as a Route to Hydrogen Implementation

Boehman¹,

Haworth²

2008

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Roles of thermal and radical quenching in emissions of wall‐stabilized hydrogen flames

Aghalayam

Vlachos

1998

AIChE Journal

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Experimental and mechanism studies on simultaneous desulfurization and denitrification from flue gas using a flue gas circulating fluidized bed

et al. 2007

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The oxidizing highly reactive absorbent was prepared from fly ash, industry lime, and an oxidizing additive M. Experiments of simultaneous desulfurization and denitrification were carried out in a flue gas circulating fluidized bed (CFB). The effects of influencing factors and calcium availability were also investigated on the removal efficiencies of desulfurization and denitrification. Removal efficiencies of 95.5% for SO 2 and 64.8% for NO were obtained respectively under the optimal experimental conditions. The component of the spent absorbent was analyzed with chemical analysis methods. The results indicated that more nitrogen species appeared in the spent absorbent except sulfur species. A scanning electron microscope (SEM) and an accessory X-ray energy spectrometer were used to observe micro-properties of the samples, including fly ash, oxidizing highly reactive absorbent and spent absorbent. The simultaneous removal mechanism of SO 2 and NO based on this absorbent was proposed according to the experimental results.flue gas circulating fluidized bed, simultaneous desulfurization and denitrification, oxidizing highly reactive absorbent, mechanismIn recent years, the interests in combined desulfurization and denitrification from flue gas increased rapidly. Many technologies have been proposed, among which the stage treatment technology is considered to be a mature one. In this traditional technology, a separate NO x control system, e.g., the selective catalytic reduction (SCR) or selective non-catalytic reduction (SNCR), should be installed to the back of the desulfurization equipment. Although it succeeded in combined removal of the SO 2 and NO, it is not easy to achieve wide industrial application because of the large occupying area and high running cost. To reduce the cost of flue gas purification, development of new technologies and equipments of simultaneous flue gas desulfurization and denitrification has become the leading research direction in the air pollution control field. There are many investigations in the world, but most of them have technical and economic defects, and cannot develop to practicable technologies.The technology of flue gas desulfurization with flue gas CFB [1] was firstly proposed by Lurgi Lentjes Bischoff (LLB) Company in Germany and developed rapidly by the comprehensive investigation for the process and the accumulation of engineering practice in the past 20 years. It has achieved increasing commercial application all over the world as it reduced the cost of investment and running to 50%-70% of that for wet process. The large-scale installation of flue gas CFB has been applied in the world and China, however, this technology lacks the ability of simultaneous denitrification.The research results show that the key point for simultaneous desulfurization and denitrification technique in CFB is to oxide NO into NO 2 rapidly in the flue gas, the latter is easily soluble in water. There is less litera-

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The effect of low-concentration fuels on the conversion of nitric oxide to nitrogen dioxide

Cited by 53 publications

References 14 publications

Hydrogen-Assisted IC Engine Combustion as a Route to Hydrogen Implementation

Hydrogen-Assisted IC Engine Combustion as a Route to Hydrogen Implementation

Roles of thermal and radical quenching in emissions of wall‐stabilized hydrogen flames

Experimental and mechanism studies on simultaneous desulfurization and denitrification from flue gas using a flue gas circulating fluidized bed

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