Abstract
The effects of fuel quality and pollution control devices on SOF and PAHs emissions in particle matter (PM) for China V heavy-duty (HD) diesel engine fueled with China III, China IV and China V diesel were studied by using soxhlet extraction technique and Gas Chromatography-Mass Spectroscopy (GC-MS) technique. Two engines used were equipped with Diesel Oxidation Convert (DOC)+Diesel Particulate Filter (DPF) and Select Catalytic Reduction (SCR) individually. It is found that the SOF mass fraction in PM rises remarkably and total PAHs concentration declines obviously with the improvement of diesel fuel from China III to China V. However, the 16 components of PAHs distribute similarly for three quality of diesel, the concentrationes of Flu、PA、Ant、FL、Pyr、BaA、CHR reduce obviously, especially Pyr decrease by 95.8%. Moreover, the pollution control device has important effects on SOF and PAHs emissions.
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