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首页> 外文期刊>Journal of Environmental Science and Health. A, Toxic/Hazardous Substances & Environmental Engineering >The Impact Of Using Biodiesel/marine Gas Oil Blends On Exhaust Emissions From A Stationary Diesel Engine
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The Impact Of Using Biodiesel/marine Gas Oil Blends On Exhaust Emissions From A Stationary Diesel Engine

机译：使用生物柴油/海洋瓦斯油混合物对固定式柴油机废气排放的影响

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摘要

The purpose of this work was to investigate the impact of marine gas oil (MGO)/biodiesel blends on the exhaust emissions and fuel consumption in a single cylinder, stationary, diesel engine. Three different origins of biodiesel were used as the blending feedstock with the reference MGO, at proportions of 5 and 10% by volume. Methyl esters were examined according to the automotive FAME standard EN 14214. The baseline MGO and biodiesel blends were examined according to ISO 8217:2005 specifications for the DMA category. Independently of the biodiesel used, a decrease of PM, HC, CO and CO_2 emissions was observed. Emissions of NO_x were also lower with respect to MGO. This reduction in NO_x may be attributed to some physicochemical properties of the fuels applied, such as the higher cetane number and the lower volatility of methyl esters. Reductions in PM for biodiesel blends were lower in the exhaust than those of the reference fuel which was attributed to the oxygen content and the near absence of sulphur and aromatics compounds in biodiesel. However, a slight increase in fuel consumption was observed for the biodiesel blends that may be tolerated due to the exhaust emissions benefits. Brake thermal efficiency was also determined. Unregulated emissions were characterized by determining the soluble organic fraction content of the particulate matter.
机译：这项工作的目的是研究船用瓦斯油（MGO）/生物柴油混合物对单缸固定式柴油发动机废气排放和燃料消耗的影响。使用三种不同来源的生物柴油作为参考MGO的混合原料，比例分别为5％和10％（体积）。根据汽车FAME标准EN 14214检查了甲基酯。根据ISO 8217：2005 DMA类别的规范检查了基线MGO和生物柴油混合物。与所使用的生物柴油无关，观察到PM，HC，CO和CO_2排放量减少。相对于MGO，NO_x的排放也较低。 NO_x的减少可能归因于所用燃料的某些物理化学性质，例如十六烷值较高且甲酯的挥发性较低。相比于参考燃料，生物柴油混合物中PM的减少量要低，这归因于生物柴油中的氧含量以及几乎不存在硫和芳族化合物。但是，观察到由于废气排放的好处，可以容忍的生物柴油混合物的燃料消耗略有增加。还确定了制动热效率。通过确定颗粒物的可溶性有机部分含量来表征未调节的排放。

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