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Cited by 7 publications
(7 citation statements)
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“…[11] An analogous effect was observed even at ambient pressure. [12][13][14] At the same time, a reciprocal sensitization of NO oxidation to NO2 via low and high temperature mechanisms involving alkylperoxy or HO2 radicals, respectively, has been reported. [15,16] Furthermore, Hazlett and Epling [13] have demonstrated that such homogeneous reactions occur within the monolithic channel of a DOC and might promote the NO oxidation.…”
Section: Introductionmentioning
confidence: 87%
See 1 more Smart Citation
“…[11] An analogous effect was observed even at ambient pressure. [12][13][14] At the same time, a reciprocal sensitization of NO oxidation to NO2 via low and high temperature mechanisms involving alkylperoxy or HO2 radicals, respectively, has been reported. [15,16] Furthermore, Hazlett and Epling [13] have demonstrated that such homogeneous reactions occur within the monolithic channel of a DOC and might promote the NO oxidation.…”
Section: Introductionmentioning
confidence: 87%
“…This result is in line with previous studies which demonstrated a lower oxidation temperature with increasing chain length and furthermore a lower oxidation temperature for straight-chain hydrocarbons in comparison with branched chain or aromatic hydrocarbons. [13,19,23] Almost regardless of the pressure variation, the oxidation of n-dodecane started above 250 °C in 50 ppm C12H26, 4.5% H2O, 14% O2/N2 and is completed around 350 °C (Fig. S6a).…”
Section: Gas-phase Reactions Involving Hcs So2 No and Nh3mentioning
confidence: 99%
“…The NO 2 selectivity has implications for the downstream catalyst performance in reducing NO x emissions. Results from these dual zone experiments are shown in Figures and and Table , with two reaction conditions that we describe as simple and complex meant to be representative of LTC exhaust conditions . The simple feed condition contained 3000 ppm CO, 1000 ppm C 3 H 6 , 50 ppm NO, 30 ppm NO 2 , 14 % O 2 , 5 % CO 2 , 5 % H 2 O, and balance N 2 (volumetric/molar basis).…”
Section: Layered and Zoned Diesel Oxidation Catalyst (Doc)mentioning
confidence: 99%
“…Since with all detected byproducts the carbon balance is still not fulfilled in respect to the n-dodecane concentration, the formation of other compounds, which are not detected due to the limited number of FTIR calibration methods, cannot be excluded. For example, further carboxylic acids might form at low temperatures, as reported in previous oxidation studies on n-dodecane oxidation [22,27,28]. In contrast, at high temperatures the conversion of n-dodecane leads predominantly to CO and CO 2 .…”
Section: Hydrocarbon Oxidation At Elevated Pressure In the Presence Of Oxygenmentioning
confidence: 55%
“…As shown in our previous study [14], the presence of short chain hydrocarbons (HC), like C 3 H 6 , or SO 2 tremendously affects the catalytic activity of a Cu-SSZ-13 SCR catalyst. In addition, the HC presence also leads to the formation of undesirable byproducts and might contribute to noticeable gas phase reactions [21,22]. Especially at higher pressures, the homogeneous conversion of hydrocarbons, NO and NH 3 is promoted and might considerably affect the NH 3 -SCR activity, as recently reported for a V-based SCR catalyst [23].…”
Section: Introductionmentioning
confidence: 76%