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Mining Publication: Retrofitting and Re-powering as a Control Strategies for Curtailment of Exposure of Underground Miners to Diesel Aerosols
Keywords: Diesel exhaust Diesel particulate matter Emission controls
Original creation date: April 2020
Authors: A Bugarski, J Hummer, S Vanderslice, T Barone
Peer Reviewed Journal Article - April 2020
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NIOSHTIC2 Number: 20057818
Min Metall Explor 2020 Apr; 37(2):791-802
A study was conducted to examine the potential of diesel emissions control strategies based on retrofitting existing power packages with exhaust aftertreatment devices and repowering with advanced power packages. The retrofit systems, a diesel oxidation catalyst (DOC) and diesel particulate filter (DPF), were evaluated individually using a US EPA tier 2 (ter 2) engine operated under four steady-state conditions and one transient cycle. The DOC effectively curtailed emissions of CO, and to some extent organic carbon (OC), elemental carbon (EC), and aerosol number concentration. The DPF system offered substantially higher reductions in OC and EC mass and aerosol number concentrations. Both, the DOC and DPF achieved reductions in the aforementioned emissions without adversely affecting emissions of NO2and nano-sized aerosols. The strategy of repowering with an advanced system was examined using a US EPA tier 4 final (tier 4f) engine equipped with a cooled exhaust gas recirculation system and diesel exhaust fluid-based selective catalytic reduction system, but not with a DPF system. The tier 4f engine contributed substantially less than the tier 2 engine to the EC and OC mass, aerosol number, and CO, NO, and NO2concentrations. The tier 4f engine was very effective in reducing aerosol mass, NO, and NO2concentrations, but it was not equally effective in reducing aerosol number concentrations. The implementation of viable exhaust after treatment systems and advanced diesel power packages could be instrumental to the underground mining industry to secure a clean, economical, and dependable source of power for mobile equipment.
First page of Retrofitting and Re-powering as a Control Strategies for Curtailment of Exposure of Underground Miners to Diesel AerosolsPeer Reviewed Journal Article - April 2020
Go to Web Page
NIOSHTIC2 Number: 20057818
Min Metall Explor 2020 Apr; 37(2):791-802
See Also
Aerosols Emitted in Underground Mine Air by Diesel Engine Fueled with Biodiesel
A Computer Software Program that Estimates Air Quantity Requirements in Large Opening Stone Mines
DEEP Project on Evaluation of Diesel Particulate Filters at Inco's Stobie Mine
Diesel Exhaust
Diesel Exhaust Aerosol, Review of Measurement Technology
The Effectiveness of Selected Technologies in Controlling Diesel Emissions in an Underground Mine: Isolated Zone Study at Stillwater Mining Company's Nye Mine
Effects of Diesel Exhaust Aftertreatment Devices on Concentrations and Size Distribution of Aerosols in Underground Mine Air
Instrumentation for Diesel Particulate Matter Emissions Research
Mutagenicity of Diesel Exhaust Particles from an Engine with Differing Exhaust After Treatments
Technology News 514 - The Air Quantity Estimator (AQE): A New Computer Software Tool for Large-opening Mine Ventilation Planning
Page last reviewed: March 8, 2022
Page last updated: March 8, 2022
Content source: National Institute for Occupational Safety and Health, Mining Program
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