Desulafation Dynamics of NOx Storage Catalysts

Monroe, David R.; Li, Wei

doi:10.4271/2002-01-2886

Cited by 14 publications

(7 citation statements)

References 14 publications

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“…Evidence of WGS reaction over NSR catalysts has been reported previously and used mainly to explain catalyst desulfation behavior [22][23][24]. However, it is still not clear if and how H 2 produced by WGS reaction impacts NSR catalyst regeneration.…”

Section: Impact Of Wgs Reaction On Nsr Catalyst Regenerationmentioning

confidence: 89%

Intra-channel evolution of carbon monoxide and its implication on the regeneration of a monolithic Pt/K/Al2O3 NOx storage-reduction catalyst

et al. 2006

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Section: Impact Of Wgs Reaction On Nsr Catalyst Regenerationmentioning

confidence: 89%

Intra-channel evolution of carbon monoxide and its implication on the regeneration of a monolithic Pt/K/Al2O3 NOx storage-reduction catalyst

et al. 2006

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“…Long-term exposures (e.g., one year) to nitrogen oxide concentrations may damage forest and vegetation (Fally et al, 1995). Nitrogen oxides are formed in hightemperature combustion processes, mainly in petrol and diesel vehicles (Monroe and Li, 2002). The pollutants have been checked in this study within the limits determined by the Jordanian standards of the ambient air ( Table 1).…”

Section: Introductionmentioning

confidence: 91%

Mathematical Analysis of How the Electrical Training Center Site Is Affected by Air Pollution

Al-Helou¹

2012

American Journal of Applied Sciences

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The study has come to the result that the monitoring site at the Electrical Training Centre (ETC) at AlHashimyeh town is exposed to grave pollution that goes beyond Jordanian standards of the ambient air. It has, indeed, shown that Sulfur dioxide (SO 2 ) exceeds the limits and its seasonal concentration matches forward with the average wind speed. SO 2 concentration reaches its lowest level in the early morning of the day and its highest level at the end of the day. The study has also pointed out that the levels of carbon oxides do not exceed the Jordanian standards of the ambient air and that the mathematical analysis indicators have pointed to the continuing increase of nitrogen oxides due to the increase of calm winds year after year. In fact, these winds do not help the dispersal and decrease of emissions; on the contrary, they increase the emissions concentration, especially in the areas approximate to the pollution sources.

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“…This is due to their relatively low prices and applicability to most vehicles as well as their effectiveness in reducing PM 10 and NO x emissions. To implement this approach, a natural gas synthetic petroleum refinery is required (Jan Monroe and Li, 2002) which is currently not a valid option to be applied in Jordan due to the high vehicle and facilities cost compared to diesel power plant. LPG should introduce in a phased manner in Jordan.…”

Section: Options and Alternatives Requirementsmentioning

confidence: 99%

Diesel Quality in Jordan: Impacts of Vehicular and Industrial Emissions on Urban Air Quality

Hamdi

Bdour

Tarawneh

2008

Environmental Engineering Science

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Jordan, a Middle Eastern country, is experiencing air pollution problems in several regions. Diesel-powered vehicles, industry, natural sources, and power-generating plants are potential sources of this pollution. This paper examines the impact of diesel on air quality in Jordan and gives suggestions to help improve air quality for the years to come. Selected hot spots representing commercial, residential, and industrial areas were investigated in this study. Key pollutants measured in commercial, residential, and industrial areas were higher than the permissible values in ambient air set by the National and WHO Air Quality. This study presents some insights on the situation and current trends in sulfur use. It also addresses the needs to reduce the amount of sulfur in diesel fuel. Solutions and measures were proposed to mitigate the effects of the high concentration of sulfur in diesel.

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Desulafation Dynamics of NOx Storage Catalysts

Cited by 14 publications

References 14 publications

Intra-channel evolution of carbon monoxide and its implication on the regeneration of a monolithic Pt/K/Al2O3 NOx storage-reduction catalyst

Intra-channel evolution of carbon monoxide and its implication on the regeneration of a monolithic Pt/K/Al2O3 NOx storage-reduction catalyst

Mathematical Analysis of How the Electrical Training Center Site Is Affected by Air Pollution

Diesel Quality in Jordan: Impacts of Vehicular and Industrial Emissions on Urban Air Quality

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