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Development and Demonstration of a Soot Generator Integrated Bench Reactor
ISSN: 0148-7191, e-ISSN: 2688-3627
Published April 01, 2014 by SAE International in United States
Annotation ability available
Experimental evaluation of soot trapping and oxidation behaviors of various diesel particulate filters (DPF) has been traditionally hampered by several experimental difficulties, such as the deposition of soot particles with well-characterized and consistent properties, and the tracking of the soot oxidation rate in real time. In the present study, an integrated bench flow-reactor system with a soot generator has been developed and its capabilities were demonstrated with regards to:
- Consistently and controllably loading soot on DPF samples;
- Monitoring the exhaust gas composition by FTIR, including quantification of the soot oxidation rate using CO and CO2;
- Measuring soot oxidation characteristics of various DPF samples.
Soot particles were produced from a laminar propane co-flow diffusion flame. The production rate of particulate matter (PM) of the soot generator, which is tunable by adjusting the air to fuel ratio of the propane flame, can be set within a range from tens of mg to 400 mg per hour. Properties of collected soot samples, such as the BET surface area and the oxidation activity, were analyzed.
The capabilities of this reactor were demonstrated by conducting tests to evaluate the soot oxidation activity of three types of cordierite DPF samples with variations in the washcoat, including bare, platinum group metals (PGMs) washcoat and non-PGM washcoat. The non-PGM washcoat shows promising performance on enhancing soot oxidation by oxygen.
CitationChen, X., Kumar, A., Klippstein, D., Stafford, R. et al., "Development and Demonstration of a Soot Generator Integrated Bench Reactor," SAE Technical Paper 2014-01-1589, 2014, https://doi.org/10.4271/2014-01-1589.
- Shah, S. and Dobson, D., “A Soot Generator for DPF Qualification Studies,” SAE Technical Paper 2007-01-0322, 2007, doi:10.4271/2007-01-0322.
- Hands, T., Twigg, M., and Gallinger, M., “A New Instrument for Diesel Particulate Filter Functional Tests in Development and Quality Control Applications,” SAE Technical Paper 2010-01-0809, 2010, doi:10.4271/2010-01-0809.
- Fujii, S., Asako, T., and Yuuki, K., “Studies of Diesel Particulate Filter Performances by a Diesel Engine Simulator,” SAE Technical Paper 2010-01-0813, 2010, doi:10.4271/2010-01-0813.
- Kasper, M. and Mosimann, T., “REXS - a Reproducible Exhaust Simulator Filter Materials for the Testing of,” SAE Technical Paper 2008-01-0759, 2008, doi:10.4271/2008-01-0759.
- Manual of MiniCAST 5201, 2010, Jing Ltd.
- Jing, L., “Standard Combustion Aerosol Generator (SCAG) for Calibration Purposes”, 3rd ETH Workshop “Nanoparticle Measurement”, 1999.
- Jing, L., “Burner for Producing Carbon Black”, US Patent 6,946,101.
- Su, C., McGinn P.J., “The effect of Ca2+ and Al3+ additions on the stability of potassium disilicate glass as a soot oxidation catalyst”, Applied Catalysis B: Environmental, Vol. 138-139, 2013, 70-78. doi:10.1016/j.apcatb.2013.02.022
- An, H., Su, C., McGinn, P., “Application of potash glass as a catalyst for diesel soot oxidation”, Catalysis Communications, Vol. 10, 2009, 509-512. doi:10.1016/j.catcom.2008.10.019
- Yezerets, A., Currier, N.W., Kim, D.H., Eadler, H.A., Epling, W.S., Peden, C.H., “Differential kinetic analysis of diesel particulate matter (soot) oxidation by oxygen using a step-response”, Applied Catalysis B: Environmental, Vol. 61, 2005, 120-129. doi:10.1016/j.apcatb.2005.04.014
- Neer, A; Koylu, U.O., “Effect of operating conditions on the size, morphology, and concentration of submicrometer particulates emitted from a diesel engine”, Combustion and Flame, Vol.146, 2006, 142-154. doi:10.1016/j.combustflame.2006.04.003
- Rissler, J., Swietlicki, E., Bengtsson, A., Boman, C., Pagels, J., Sandstrom, T., Blomberg, A., Londahl, J., “Experimental determination of deposition of diesel exhaust particles in the human respiratory tract”, Journal of Aerosol Science, Vol. 48, 2012, 18-33. doi:10.1016/j.jaerosci.2012.01.005
- Neeft, J.P.A, van Pruissen, O.P., Makkee, M., Moulijn, J.A., “Catalysts for the oxidation of soot from diesel exhaust gases II. Contact between soot and catalyst under practical conditions”, Applied Catalysis B: Environmental, Vol. 12, 1997, 21-31. doi:10.1016/S0926-3373(96)00060-4
- Van Setten, B.A.A.L., Makkee M., Moulijn, J. A., “Science and technology of catalytic diesel particulate filters”, Catalysis Reviews, Vol.43, 2001, 489-564. doi:10.1081/CR-120001810
- Hinot, K., “Soot Oxidation by Platinum on Sintered Metal Filters: Influence of the Platinum Quantity, Particle Size and Location, and Investigation of the Platinum Soot”, Ph.D. Thesis, 2006.