Articles with "nox emissions" as a keyword



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Investigation of the effect of barium-based additive on smoke and NOx emissions of a diesel engine fueled with conventional and biodiesel fuels

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Published in 2020 at "Clean Technologies and Environmental Policy"

DOI: 10.1007/s10098-020-01869-0

Abstract: Nowadays, increasing energy demand and environmental and air pollution issues have spread the use of alternative fuels such as biodiesel in diesel engines. While the advantages of biodiesel that are comparable to petroleum-based diesel fuels… read more here.

Keywords: biodiesel; nox emissions; smoke; emissions diesel ... See more keywords

Assessment of Euro 5 diesel vehicle NOx emissions by laboratory and track testing

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Published in 2019 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-019-04486-7

Abstract: The Volkswagen scandal has promoted experimental campaigns worldwide aimed to assess the real exhaust emissions of in-use vehicles. Attention has been paid to diesel vehicle NOx emissions that are much higher than legislative type-approval limits.… read more here.

Keywords: euro diesel; laboratory track; nox emissions; track ... See more keywords
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Selective catalytic reduction of NOx emissions by hydrocarbons over Ag–Pt/Al2O3 catalyst in diesel engine

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Published in 2019 at "International Journal of Environmental Science and Technology"

DOI: 10.1007/s13762-019-02266-x

Abstract: Selective catalytic reduction is an application used to control NOx pollutants in diesel engines. Aqueous urea solution, commercially called AdBlue and obtained by mixing pure water and NH3, is the most commonly used reductant while… read more here.

Keywords: catalytic reduction; nox emissions; selective catalytic; reduction nox ... See more keywords
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Industrial-scale investigations of anthracite combustion characteristics and NOx emissions in a retrofitted 300 MWe down-fired utility boiler with swirl burners

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Published in 2017 at "Applied Energy"

DOI: 10.1016/j.apenergy.2017.05.138

Abstract: To burn anthracite and reduce NOx emissions, a new combustion system was applied to a 300 MWe Babcock & Wilcox (B&W) down-fired boiler that included overfire air (OFA) and a decreased flow area of the… read more here.

Keywords: industrial scale; nox emissions; swirl burners; combustion ... See more keywords
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Country- and manufacturer-level attribution of air quality impacts due to excess NOx emissions from diesel passenger vehicles in Europe

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Published in 2018 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2018.06.047

Abstract: Abstract In 2015, diesel cars accounted for 41.3% of the total passenger car fleet in Europe. While harmonized emissions limits are implemented at the EU level, on-road emissions of diesel cars have been found to… read more here.

Keywords: nox emissions; emissions diesel; level; air quality ... See more keywords
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Experimental and kinetic modelling investigation on NO, CO and NH3 emissions from NH3/CH4/air premixed flames

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Published in 2019 at "Fuel"

DOI: 10.1016/j.fuel.2019.115693

Abstract: Ammonia (NH3) is regarded as one of the most viable alternatives to produce carbon-free energy. However, its low flammability and high NOx emissions associated with its combustion inhibit the implementation of pure NH3 as a… read more here.

Keywords: nh3 ch4; nox emissions; nh3 emissions; fuel ... See more keywords
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Experimental investigation of the distinct effects of nanoparticles addition and urea-SCR after-treatment system on NOx emissions in a blended-biodiesel fueled internal combustion engine

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Published in 2020 at "Fuel"

DOI: 10.1016/j.fuel.2019.116609

Abstract: Abstract The present study reports an investigation about the distinct effects of nanoparticles addition and urea-SCR system on NOx emissions. Also nano-additives influence on pollutants (NOx and CO) reduction performance of a urea-SCR system is… read more here.

Keywords: nanoparticles addition; urea scr; system; nox emissions ... See more keywords
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Role of different antioxidants additions to renewable fuels on NOX emissions reduction and smoke number in direct injection diesel engine

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Published in 2020 at "Fuel"

DOI: 10.1016/j.fuel.2020.118384

Abstract: Abstract The changes in the emission characteristics of a diesel engine were experimentally verified when using diesel fuel, neat sun-flower biodiesel (B), and a biodiesel-diesel blend (B20). Four types of antioxidants, including phenols (BHT, BHA)… read more here.

Keywords: nox emissions; biodiesel; diesel; engine ... See more keywords
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Effect on the performance and emissions of methanol/diesel dual-fuel engine with different methanol injection positions

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Published in 2022 at "Fuel"

DOI: 10.1016/j.fuel.2021.121868

Abstract: Abstract In methanol/diesel combined injection mode engines, the high latent heat of vaporization of methanol reduces the combustion temperature. It effectively reduced NOx emissions, which led to the deterioration of combustion under high blending ratio… read more here.

Keywords: nox emissions; methanol injection; load conditions; injection positions ... See more keywords
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Experimental study on combustion, flame and NOX emission of pulverized coal preheated by a preheating burner

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Published in 2018 at "Fuel Processing Technology"

DOI: 10.1016/j.fuproc.2018.07.008

Abstract: Abstract Experimental researches on combustion characteristics of pulverized Ningdong bitumite preheated by a preheating burner were carried out in a 0.2 MW coal preheating combustion test rig, and the effects of preheating temperature, secondary air equivalence… read more here.

Keywords: nox emissions; combustion; air; preheated preheating ... See more keywords
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Fuel and Pollutant Efficient Vehicle Speed Optimization in Real Driving Conditions

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Published in 2018 at "IFAC-PapersOnLine"

DOI: 10.1016/j.ifacol.2018.10.041

Abstract: Abstract This paper analyzes the potential benefits in terms of fuel consumption and NOx emissions of an optimized speed trajectory in a real driving situation. The speed management of the vehicle is approached as an… read more here.

Keywords: nox emissions; vehicle; real driving; speed ... See more keywords