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首页> 外文期刊>Journal of Environmental Science and Health. A, Toxic/Hazardous Substances & Environmental Engineering >Biological Toxicities Of Emissions From An Unmodified Engine Fueled With Diesel And Biodiesel Blend
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Biological Toxicities Of Emissions From An Unmodified Engine Fueled With Diesel And Biodiesel Blend

机译：柴油和生物柴油混合燃料未经改装的发动机排放物的生物毒性

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Conventional diesel and palm oil methyl esters were blended in 6 ratios (0, 10, 30, 50, 75 and 100% of biodiesel by volume) and fed into an unmodified 4-stroke engine with a constant output power. The semi-volatile and particulate products in the exhaust were collected separately and their biological toxicities evaluated by both Microtox test and the 3-(4,5-dimethylthiazol-2-yl)- 2,5-diphenyltetrazolium bromide (MTT) assay. The Microtox test indicates that the TUVs (toxicity unit per liter exhaust sampled, TU/L-exhaust) in the semi-volatile extracts were 3 to 5 times those of the particulate extracts. Diesel particulates had the highest unit toxicity, TUW (toxicity unit per /μg soluble organic fraction of particulate, TU/μg particle SOF) of all of the other biodiesel blends. According to the Microtox tests results, the effect of biodiesel blending in MTT assay demonstrated higher toxicity in the semi-volatile products than the particulates.
机译：常规柴油和棕榈油甲酯以6种比率（按体积计分别占生物柴油的0％，10％，30％，50％，75％和100％）混合，并以恒定的输出功率供入未经修改的4冲程发动机中。分别收集废气中的半挥发性和颗粒状产物，并通过Microtox试验和3-（4,5-二甲基噻唑-2-基）-2,5-二苯基四唑溴化物（MTT）分析评估其生物毒性。 Microtox测试表明，半挥发性提取物中的TUV（毒性单位为每升废气采样单位，TU / L排放）是颗粒状提取物的3至5倍。在所有其他生物柴油混合物中，柴油颗粒具有最高的单位毒性，TUW（每单位/μg颗粒可溶有机部分的毒性单位，TU /μg颗粒SOF）。根据Microtox测试结果，MTT分析中生物柴油混合的效果表明，半挥发性产品的毒性高于微粒。

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