World Library  


Add to Book Shelf
Flag as Inappropriate
Email this Book

Effect of Atmospheric Ageing on Volatility and Ros of Biodiesel Exhaust Nano-particles : Volume 15, Issue 5 (05/03/2015)

By Pourkhesalian, A. M.

Click here to view

Book Id: WPLBN0003997177
Format Type: PDF Article :
File Size: Pages 28
Reproduction Date: 2015

Title: Effect of Atmospheric Ageing on Volatility and Ros of Biodiesel Exhaust Nano-particles : Volume 15, Issue 5 (05/03/2015)  
Author: Pourkhesalian, A. M.
Volume: Vol. 15, Issue 5
Language: English
Subject: Science, Atmospheric, Chemistry
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2015
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

APA MLA Chicago

Faghihi, E. M., Rahman, M. M., Stevanovic, S., Masri, A. R., Brown, R. J., Pourkhesalian, A. M.,...Ristovski, Z. D. (2015). Effect of Atmospheric Ageing on Volatility and Ros of Biodiesel Exhaust Nano-particles : Volume 15, Issue 5 (05/03/2015). Retrieved from http://ebooklibrary.org/


Description
Description: ILAQH and BERF, Queensland University of Technology, Brisbane, QLD 4001, Australia. In the prospect of limited energy resources and climate change, effects of alternative biofuels on primary emissions are being extensively studied. Our two recent studies have shown that biodiesel fuel composition has a~significant impact on primary particulate matter emissions. It was also shown that particulate matter caused by biodiesels was substantially different from the emissions due to petroleum diesel. Emissions appeared to have higher oxidative potential with the increase in oxygen content and decrease of carbon chain length and unsaturation levels of fuel molecules. Overall, both studies concluded that chemical composition of biodiesel is more important than its physical properties in controlling exhaust particle emissions. This suggests that the atmospheric ageing processes, including secondary organic aerosol formation, of emissions from different fuels will be different as well. In this study, measurements were conducted on a modern common-rail diesel engine. To get more information on realistic properties of tested biodiesel particulate matter once they are released into the atmosphere, particulate matter was exposed to atmospheric oxidants, ozone and ultra-violet light; and the change in their properties was monitored for different biodiesel blends. Upon the exposure to oxidative agents, the chemical composition of the exhaust changes. It triggers the cascade of photochemical reactions resulting in the partitioning of semi-volatile compounds between the gas and particulate phase. In most of the cases, aging lead to the increase in volatility and oxidative potential, and the increment of change was mainly dependent on the chemical composition of fuels as the leading cause for the amount and the type of semi-volatile compounds present in the exhaust.

Summary
Effect of atmospheric ageing on volatility and ROS of biodiesel exhaust nano-particles

Excerpt
Atkinson, R., Carter, W. P. L., Darnall, K. R., Winer, A. M., and Pitts, J. N.: A smog chamber and modeling study of the gas-phase nox-air photo-oxidation of toluene and the cresols, Int. J. Chem. Kinet., 12, 779–836, doi:10.1002/kin.550121102, 1980.; Bagley, S. T., Gratz, L. D., Johnson, J. H., and McDonald, J. F.: Effects of an oxidation catalytic converter and a biodiesel fuel on the chemical, mutagenic, and particle size characteristics of emissions from a diesel engine, Environ. Sci. Technol., 32, 1183–1191, doi:10.1021/es970224q, 1998.; Biswas, S., Verma, V., Schauer, J. J., Cassee, F. R., Cho, A. K., and Sioutas, C.: Oxidative potential of semi-volatile and non volatile Particulate Matter (PM) from heavy-duty vehicles retrofitted with emission control technologies, Environ. Sci. Technol., 43, 3905–3912, doi:10.1021/es9000592, 2009.; Cheng, C. H., Cheung, C. S., Chan, T. L., Lee, S. C., and Yao, C. D.: Experimental investigation on the performance, gaseous and particulate emissions of a methanol fumigated diesel engine, Sci. Total Environ., 389, 115–124, doi:10.1016/j.scitotenv.2007.08.041, 2008.; Cheung, K. L., Polidori, A., Ntziachristos, L., Tzamkiozis, T., Samaras, Z., Cassee, F. R., Gerlofs, M., and Sioutas, C.: Chemical characteristics and oxidative potential of Particulate Matter emissions from gasoline, diesel, and biodiesel cars, Environ. Sci. Technol., 43, 6334–6340, doi:10.1021/es900819t, 2009.; Chirico, R., DeCarlo, P. F., Heringa, M. F., Tritscher, T., Richter, R., Prévôt, A. S. H., Dommen, J., Weingartner, E., Wehrle, G., Gysel, M., Laborde, M., and Baltensperger, U.: Impact of aftertreatment devices on primary emissions and secondary organic aerosol formation potential from in-use diesel vehicles: results from smog chamber experiments, Atmos. Chem. Phys., 10, 11545–11563, doi:10.5194/acp-10-11545-2010, 2010.; Johnson, G. R., Fletcher, C., Meyer, N., Modini, R., and Ristovski, Z.: A robust, portable H-TDMA for field use, J. Aerosol Sci., 39, 850–861, 2008.; Donahue, N. M., Robinson, A. L., Stanier, C. O., and Pandis, S. N.: Coupled partitioning, dilution, and chemical aging of semivolatile organics, Environ. Sci. Technol., 40, 2635–2643, doi:10.1021/es052297c, 2006.; Fontaras, G., Karavalakis, G., Kousoulidou, M., Tzamkiozis, T., Ntziachristos, L., Bakeas, E., Stournas, S., and Samaras, Z.: Effects of biodiesel on passenger car fuel consumption, regulated and non-regulated pollutant emissions over legislated and real-world driving cycles, Fuel, 88, 1608–1617, doi:10.1016/j.fuel.2009.02.011, 2009.; Geiger, H., Kleffmann, J., and Wiesen, P.: Smog chamber studies on the influence of diesel exhaust on photosmog formation, Atmos. Environ., 36, 1737–1747, doi:10.1016/s1352-2310(02)00175-9, 2002.; Giechaskiel, B., Alfoldy, B., and Drossinos, Y.: A metric for health effects studies of diesel exhaust particles, J. Aerosol Sci., 40, 639–651, doi:10.1016/j.jaerosci.2009.04.008, 2009.; Giechaskiel, B., Mamakos, A., Andersson, J., Dilara, P., Martini, G., Schindler, W., and Bergmann, A.: Measurement of automotive nonvolatile particle number emissions within the European legislative framework: a review, Aerosol Sci. Tech., 46, 719–749, 2012.; Heywood, J. B.: Internal Combustion Engine Fundamentals, Mcgraw-Hill New York, 1988.; Izumi, K. and Fukuyama, T.: Photochemical aero

 

Click To View

Additional Books


  • Ice Nucleation Properties of Volcanic As... (by )
  • Particle Mass Yield from Β-caryophyllene... (by )
  • Investigation of Aged Aerosols in Size-r... (by )
  • Uv Variability in Moscow According to Lo... (by )
  • Time-lagged Ensemble Simulations of the ... (by )
  • A Broadband Cavity Ringdown Spectrometer... (by )
  • Middle Atmospheric Changes Caused by the... (by )
  • Attenuation of Concentration Fluctuation... (by )
  • Tropical Cooling in the Case of Stratosp... (by )
  • The Southern Stratospheric Gravity-wave ... (by )
  • Implications of Model Bias in Carbon Mon... (by )
  • Evaluation of a Regional Air Quality For... (by )
Scroll Left
Scroll Right

 



Copyright © World Library Foundation. All rights reserved. eBooks from World eBook Library are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.