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The evaluation of the quality analysis and tail gas emission for thevehicles using the illegal oil

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This object of this research is collecting the documents about the foreign countries and Taiwan related to the cause, regulation progress, flow direction, and inspection situation of the illegal oil and searching the present restrained situation in China, Hong Kong, Europe, U.S.A., and Japan, and all these results could provide to decision maker make right strategy on the illegal oil restraint. We had held two training courses for “The oil sampling technology of the gasoline and diesel vehicles” and aimed at the environmental protection staff to execute the reality affairs training to develop the oil sampling and inspection abilities. In present work, the illegal gasoline (10) and diesel oil (85) were tested by the standard analysis. The results showed that adding the aromatics and its derivatives such as benzene and toluene to the illegal oil would cause automotive engine, which emitted a large amount of VOCs and toxicant. The illegal oil had higher sulfur content, and its 90% distillation temperature was higher than that of CNS national standard. Among the unqualified oil which had higher sulfur content, higher than 93% of these oil samples contained deep dye components, and this result revealed that the unqualified diesel oil from fishing boat oil. We had also proceeded the engine tail gas test for the illegal gasoline (3) and diesel oil (9) and found that there no remarkable difference on the emissions of CO and NOX from the vehicles using the illegal oil adding extra benzene and toluene, but the VOCs concentration from the vehicles using the illegal oil emitted 16- to 21- fold more than that using the high-class diesel oil. A comparison of the diesel vehicle using fishing boat oil and legal high-class diesel oil showed that there was no difference on the emissions of CO and NOX, and PM and PAHs emission concentrations increased significantly with increasing the PAHs content in the oil. The PM and PAHs emissions from the vehicle using fishing boat oil are 3.4- and 12.8- fold more than those using the high-class diesel oil.
Keyword
illegal oil,tail gas test
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