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Mining Publication: Effects of a diesel particulate filter regeneration process on aerosols in an underground mine
Keywords: Aerosols Diesel particulate filters Diesel particulate matter
Original creation date: December 2012
Authors: AD Bugarski, E Cauda, SJ Janisko, JA Hummer, LD Patts
Peer Reviewed Journal Article - December 2012
Download PDF Document (.105 MB)
NIOSHTIC2 Number: 20041908
Min Eng 2012 Dec; 64(12):57-63
This study was conducted to evaluate the effects of a diesel particulate filter (DPF) regeneration process on the concentrations and size distributions of aerosols in an underground mine. Two active regeneration strategies were examined for an electrically regenerated sintered metal fiber filtration system, and the effects were compared with those observed for a muffler and the same system operated in a passive configuration. The effects were assessed for three steady-state engine operating conditions. The number and mass concentrations and size distributions of aerosols in mine air were found to be strongly affected by the exhaust configuration, engine operating conditions and the regeneration process. When the system was operated in active configurations, the concentrations exhibited a transient and cyclic nature. At light load conditions, the distributions of aerosols in mine air were dominated by accumulation mode aerosols for all exhaust configurations and regeneration strategies. High concentrations of nucleation aerosols were observed when the DPF system was used and the engine was operated at high load conditions. A positive correlation between accumulation of particulate matter in the filter and the efficiency of the filter in removing accumulation mode aerosols was observed for all conditions. In the case of high engine load, reductions in accumulation mode aerosol concentrations were linked to a substantial increase in number concentrations of nucleation mode aerosol. Overall, the filtration system was found to be very effective in reducing total aerosol mass and elemental carbon concentrations for all engine operating conditions. However, the system was substantially more effective in passive than in active regeneration configurations.
Cover Sheet of publication Peer Reviewed Journal Article - December 2012
Download PDF Document (.105 MB)
NIOSHTIC2 Number: 20041908
Min Eng 2012 Dec; 64(12):57-63
See Also
Control Technologies and Strategies for Reducing Exposure of Underground Miners to Diesel Emissions
DEEP Project on Evaluation of Diesel Particulate Filters at Inco's Stobie Mine
Effects of Diesel Exhaust Aftertreatment Devices on Concentrations and Size Distribution of Aerosols in Underground Mine Air
The Effects of Passive Diesel Particulate Filters on Diesel Particulate Matter Concentrations in Two Underground Metal/Nonmetal Mines
Effects of Sintered Metal Diesel Particulate Filter System on Diesel Aerosols and Nitric Oxides in Mine Air
Mutagenicity of Diesel Exhaust Particles from an Engine with Differing Exhaust After Treatments
Noranda Inc. - Brunswick Mine Diesel Particulate Filter (DPF) Field Study
Role of Lubrication Oil in Particulate Emissions from a Hydrogen-Powered Internal Combustion Engine
Sampling Results of the Improved SKC� Diesel Particulate Matter Cassette
The Use of Light Scattering and Ion Chamber Responses for the Detection of Fires in Diesel Contaminated Atmospheres
Page last reviewed: January 14, 2013
Page last updated: January 18, 2013
Content source: National Institute for Occupational Safety and Health, Mining Program
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