A review on the effects of ethanol/gasoline fuel blends on NOX emissions in spark-ignition engines

Ethanol can be used as an alternative fuel for spark-ignition (SI) engines to increase the octane number and oxygen content of ethanol/gasoline blends, thereby reducing dependence on fossil fuels and the exhaust emissions of incomplete combustion products. Although it is widely agreed that ethanol c...

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Autores principales:	Paolo Iodice, Amedeo Amoresano, Giuseppe Langella
Formato:	article
Lenguaje:	EN
Publicado:	Green Wave Publishing of Canada 2021
Materias:	renewable energy nitrogen oxides ethanol/gasoline blends si engines combustion Fuel TP315-360 Energy industries. Energy policy. Fuel trade HD9502-9502.5
Acceso en línea:	https://doaj.org/article/fe18230228ce476988baaea6df860196
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spelling	oai:doaj.org-article:fe18230228ce476988baaea6df8601962021-11-30T13:24:53ZA review on the effects of ethanol/gasoline fuel blends on NOX emissions in spark-ignition engines2292-878210.18331/BRJ2021.8.4.2https://doaj.org/article/fe18230228ce476988baaea6df8601962021-12-01T00:00:00Zhttps://www.biofueljournal.com/article_140766_995d2998514e72df88fbecb3ec3ab7bd.pdfhttps://doaj.org/toc/2292-8782Ethanol can be used as an alternative fuel for spark-ignition (SI) engines to increase the octane number and oxygen content of ethanol/gasoline blends, thereby reducing dependence on fossil fuels and the exhaust emissions of incomplete combustion products. Although it is widely agreed that ethanol can reduce CO and HC exhaust emissions, the literature on ethanol and NOX emissions is far from conclusive; hence there is a need for an in-depth, updated review of ethanol/gasoline blends in SI engines and the relative production of NOX emissions. In light of that, the present work aims to provide a comprehensive literature review on the current state of ethanol combustion in SI engines to shed definitive light on the potential changes in NOX emissions under various operating conditions. The first part of this paper discusses the feasibility of ethanol as an alternative transportation fuel, including world production and ethanol production processes. The physicochemical properties of ethanol and gasoline are then compared to analyze their effects on combustion efficiency and exhaust emissions. Then, the pathways of NOX formation inside the cylinder of SI engines are discussed in depth. Finally, we review and critically discuss the effects of ethanol concentration in blends and different engine parameters on NOX formation.Paolo IodiceAmedeo AmoresanoGiuseppe LangellaGreen Wave Publishing of Canadaarticlerenewable energynitrogen oxidesethanol/gasoline blendssi enginescombustionFuelTP315-360Energy industries. Energy policy. Fuel tradeHD9502-9502.5ENBiofuel Research Journal, Vol 8, Iss 4, Pp 1465-1480 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	renewable energy nitrogen oxides ethanol/gasoline blends si engines combustion Fuel TP315-360 Energy industries. Energy policy. Fuel trade HD9502-9502.5
spellingShingle	renewable energy nitrogen oxides ethanol/gasoline blends si engines combustion Fuel TP315-360 Energy industries. Energy policy. Fuel trade HD9502-9502.5 Paolo Iodice Amedeo Amoresano Giuseppe Langella A review on the effects of ethanol/gasoline fuel blends on NOX emissions in spark-ignition engines
description	Ethanol can be used as an alternative fuel for spark-ignition (SI) engines to increase the octane number and oxygen content of ethanol/gasoline blends, thereby reducing dependence on fossil fuels and the exhaust emissions of incomplete combustion products. Although it is widely agreed that ethanol can reduce CO and HC exhaust emissions, the literature on ethanol and NOX emissions is far from conclusive; hence there is a need for an in-depth, updated review of ethanol/gasoline blends in SI engines and the relative production of NOX emissions. In light of that, the present work aims to provide a comprehensive literature review on the current state of ethanol combustion in SI engines to shed definitive light on the potential changes in NOX emissions under various operating conditions. The first part of this paper discusses the feasibility of ethanol as an alternative transportation fuel, including world production and ethanol production processes. The physicochemical properties of ethanol and gasoline are then compared to analyze their effects on combustion efficiency and exhaust emissions. Then, the pathways of NOX formation inside the cylinder of SI engines are discussed in depth. Finally, we review and critically discuss the effects of ethanol concentration in blends and different engine parameters on NOX formation.
format	article
author	Paolo Iodice Amedeo Amoresano Giuseppe Langella
author_facet	Paolo Iodice Amedeo Amoresano Giuseppe Langella
author_sort	Paolo Iodice
title	A review on the effects of ethanol/gasoline fuel blends on NOX emissions in spark-ignition engines
title_short	A review on the effects of ethanol/gasoline fuel blends on NOX emissions in spark-ignition engines
title_full	A review on the effects of ethanol/gasoline fuel blends on NOX emissions in spark-ignition engines
title_fullStr	A review on the effects of ethanol/gasoline fuel blends on NOX emissions in spark-ignition engines
title_full_unstemmed	A review on the effects of ethanol/gasoline fuel blends on NOX emissions in spark-ignition engines
title_sort	review on the effects of ethanol/gasoline fuel blends on nox emissions in spark-ignition engines
publisher	Green Wave Publishing of Canada
publishDate	2021
url	https://doaj.org/article/fe18230228ce476988baaea6df860196
work_keys_str_mv	AT paoloiodice areviewontheeffectsofethanolgasolinefuelblendsonnoxemissionsinsparkignitionengines AT amedeoamoresano areviewontheeffectsofethanolgasolinefuelblendsonnoxemissionsinsparkignitionengines AT giuseppelangella areviewontheeffectsofethanolgasolinefuelblendsonnoxemissionsinsparkignitionengines AT paoloiodice reviewontheeffectsofethanolgasolinefuelblendsonnoxemissionsinsparkignitionengines AT amedeoamoresano reviewontheeffectsofethanolgasolinefuelblendsonnoxemissionsinsparkignitionengines AT giuseppelangella reviewontheeffectsofethanolgasolinefuelblendsonnoxemissionsinsparkignitionengines
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A review on the effects of ethanol/gasoline fuel blends on NOX emissions in spark-ignition engines

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