Performance evaluation of non-thermal plasma on particulate matter, ozone and CO<inf>2</inf> correlation for diesel exhaust emission reduction
MetadataShow full item record
© 2015 Elsevier B.V. This study is seeking to investigate the effect of non-thermal plasma technology in the abatement of particulate matter (PM) from the actual diesel exhaust. Ozone (O < inf > 3 < /inf > ) strongly promotes PM oxidation, the main product of which is carbon dioxide (CO < inf > 2 < /inf > ). PM oxidation into the less harmful product (CO < inf > 2 < /inf > ) is the main objective whiles the correlation between PM, O < inf > 3 < /inf > and CO < inf > 2 < /inf > is considered. A dielectric barrier discharge reactor has been designed with pulsed power technology to produce plasma inside the diesel exhaust. To characterise the system under varied conditions, a range of applied voltages from 11kV < inf > PP < /inf > to 21kV < inf > PP < /inf > at repetition rates of 2.5, 5, 7.5 and 10kHz, have been experimentally investigated. The results show that by increasing the applied voltage and repetition rate, higher discharge power and CO < inf > 2 < /inf > dissociation can be obtained. The PM removal efficiency of more than 50% has been achieved during the experiments and high concentrations of ozone on the order of a few hundreds of ppm have been observed at high discharge powers. Furthermore, O < inf > 3 < /inf > , CO < inf > 2 < /inf > and PM concentrations at different plasma states have been analysed for time dependence. Based on this analysis, an inverse relationship between ozone concentration and PM removal has been found and the role of ozone in PM removal in plasma treatment of diesel exhaust has been highlighted.
Showing items related by title, author, creator and subject.
Peters, S.; Carey, Renee; Driscoll, T.; Glass, D.; Benke, G.; Reid, Alison; Fritschi, L. (2015)Background: Diesel engines are widely used in occupational settings. Diesel exhaust has been classified as a lung carcinogen, but data on number of workers exposed to different levels of diesel exhaust are not available ...
Jian, Le; Meyerkort, P.; Jansz, Janis (2010)Diesel exhaust is an important airborne contaminant in workplaces where diesel-powered equipment or vehicles are used. Currently the exposure assessment to diesel exhaust and related health effects in Australian working ...
Jian, Le (2012)According to GLOBOCAN 2008, there were over 312,000 cases of cancer and over 40,000 deaths in Australia. The 5 most common cancer sites are prostate, colorectum, breast, melanoma of skin and lung. The estimated proportion ...