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Mining Project: Control Technologies and Strategies for Reducing Exposure of Underground Miners to Diesel Emissions
Keywords: Aerosols Diesel exhaust Diesel particulate filters Diesel particulate matter Diesel vehicles
This page is archived for historical purposes and is no longer being maintained or updated.
Principal Investigator
Aleksandar Bugarski -  Request informationStart Date
10/1/2009End Date
9/30/2013Objective
To reduce exposures of underground miners to diesel particulate matter and gases via development, evaluation, and implementation of various control technologies and strategies and through a better understanding of the risks associated with exposure of workers to aerosols and gases emitted by diesel engines.Topic Areas
Diesel Exhaust
Exposure Monitoring of Dust and Toxic Substances
Research Summary

In recent years, health effects associated with exposure to diesel particulate matter (DPM) and other combustion-generated nanometer and ultrafine aerosols have received substantial attention. Diesel engines, which are widely used to power vehicles and equipment in mining, trucking, and many other industries, were found to be a major source of workers' exposure to nanometer and ultrafine aerosols.
This project evaluated and aimed to implement the current and emerging control technologies and strategies that are used to reduce the exposure of workers to DPM. The physical, chemical, and toxicologocial properties of DPM were characterized through a series of engine/dynamometer tests at the NIOSH Diesel Laboratory and through a series of isolated zone studies in production mines. As part of the technology transfer, some of the evaluated technologies and strategies were implemented in participating mines and evaluated over an extended period of time.
The research aims of this project were:
Evaluation of exhaust aftertreatment systems designed for particulate emissions control such as diesel particulate filter (DPF) systems and flow through filters (FTFs), and the systems for control of gaseous emissions such as diesel oxidation catalyst (DOC) and selective catalyst reduction (SCR).
Evaluation of filtration systems used on enclosed cabs, with the emphasis given to the efficiency of those systems that remove DPM from the mine air. The potential for reducing NO2 concentrations was also examined.
Evaluation of alternative fuels such as biodiesel and potentially gas-to-liquid synthetic diesel.
Detailed physical and chemical characterization and speciation of diesel aerosols collected during laboratory and field studies.
Examination of metrics for monitoring exposure to diesel aerosols.
Assistance to the underground mining industry in the selection and implementation of these technologies and strategies.The knowledge obtained in this study will help in reducing the exposure of underground miners to diesel aerosols via implementation and greater acceptance of advanced diesel emissions control technologies, education on advanced strategies, and greater knowledge on the health implications related to exposure to DPM.

See Also
Aerosols Emitted in Underground Mine Air by Diesel Engine Fueled with Biodiesel
DEEP Project on Evaluation of Diesel Particulate Filters at Inco's Stobie Mine
Diesel Aerosols and Gases in Underground Mines: Guide to Exposure Assessment and Control
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
Effects of Sintered Metal Diesel Particulate Filter System on Diesel Aerosols and Nitric Oxides in Mine Air
Evaluation of the SKC� DPM Cassette for Monitoring Diesel Particulate Matter in Coal Mines
Mutagenicity of Diesel Exhaust Particles from an Engine with Differing Exhaust After Treatments
Role of Lubrication Oil in Particulate Emissions from a Hydrogen-Powered Internal Combustion Engine
Technology News 514 - The Air Quantity Estimator (AQE): A New Computer Software Tool for Large-opening Mine Ventilation Planning
Page last reviewed: October 22, 2016
Page last updated: October 22, 2016
Content source: National Institute for Occupational Safety and Health, Mining Program
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