Abstract
In this research we apply a high-resolution optical emission spectroscopy technique for spectrochemical analysis of collected diesel particulate matter. We use the laser-induced breakdown spectroscopy technique (LIBS) for qualitative and quantitative measurements of major chemical elements present in the particulate matter generated from different diesel engine passenger vehicles in use. The high-resolution LIBS technique can instantly measure major chemical elements within the diverse particulate matter matrices.
Highlights
Actual problems with diesel-engine emissions and control failures [1,2,3] are prominent in public perception around the world
Chemical elements adsorbed by carbonous particles present significant volumetric as well as mass fraction of the total Diesel Particulate Matter (DPM) or soot emission contents
The results presented in this paper originate from eight largely diverse DPM
Summary
Actual problems with diesel-engine emissions and control failures [1,2,3] are prominent in public perception around the world. The existing emission standards Euro [6,7], Tier [8], or Low-Emission Vehicle Program (LEV) [9], for diesel-engine vehicles specify the maximum allowable emissions of hydrocarbons, carbon monoxide, nitrogen oxides and Particulate Matter (PM) from diesel exhaust fumes. Speaking, these emission standards do not concern an additional compounds or chemical elements contained in the exhaust emissions or exhaust vapour [10], PM, [11], black carbon/carbon black (BC/CB) [12], or in the soot [13], formed by the diesel or biodiesel [14], from combustion engines [15].
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