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Mining Publication: Role of Lubrication Oil in Particulate Emissions from a Hydrogen-Powered Internal Combustion Engine
Keywords: Aerosols Diesel particulate matter Diesel vehicles Hydrogen Particulate matter measures
Original creation date: October 2007
Authors: AL Miller, CB Stipe, MC Habjan, GG Ahlstrand
Peer Reviewed Journal Article - October 2007
Download PDF Document (0.52 MB)
NIOSHTIC2 Number: 20032816
Environ Sci Technol 2007 Oct; 41(19):6828-6835
Recent studies suggest that trace metals emitted by internal combustion engines are derived mainly from combustion of lubrication oil. This hypothesis was examined by investigation of the formation of particulate matter emitted from an internal combustion engine in the absence of fuel-derived soot. Emissions from a modified CAT 3304 diesel engine fueled with hydrogen gas were characterized. The role of organic carbon and metals from lubrication oil on particle formation was investigated under selected engine conditions. The engine produced exhaust aerosol with log normal-size distributions and particle concentrations between 105 and 107 cm-3 with geometric mean diameters from 18 to 31 nm. The particles contained organic carbon, little or no elemental carbon, and a much larger percentage of metals than particles from diesel engines. The maximum total carbon emission rate was estimated at 1.08 g h-1, which is much lower than the emission rate of the original diesel engine. There was also evidence that less volatile elements, such as iron, self-nucleated to form nanoparticles, some of which survive the coagulation process.
Image of publication Role of Lubrication Oil in Particulate Emissions from a Hydrogen-Powered Internal Combustion EnginePeer Reviewed Journal Article - October 2007
Download PDF Document (0.52 MB)
NIOSHTIC2 Number: 20032816
Environ Sci Technol 2007 Oct; 41(19):6828-6835
See Also
Aerosols Emitted in Underground Mine Air by Diesel Engine Fueled with Biodiesel
Control Technologies and Strategies for Reducing Exposure of Underground Miners to Diesel Emissions
Diesel Exhaust Aerosol, Review of Measurement Technology
The Effects of Water Emulsified Fuel on Diesel Particulate Matter Concentrations in Underground Mines
Instrumentation for Diesel Particulate Matter Emissions Research
Mutagenicity of Diesel Exhaust Particles from an Engine with Differing Exhaust After Treatments
Real-Time DPM Ambient Monitoring in Underground Mines
Sampling Results of the Improved SKC� Diesel Particulate Matter Cassette
Size Distribution and Deposition in Human Respiratory Tract: Particle Mass and Number
Technology News 514 - The Air Quantity Estimator (AQE): A New Computer Software Tool for Large-opening Mine Ventilation Planning
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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